ASQUITH OD P radial drilling machine

INSTRUCTION
I THE ASQUITH TYPE І
RADIAL DRILLING МAСHINES І

This booklet embodies instructions, the proper carrying out of which in the erection of the machine and attention to lubrication and the various working instructions explained, will ensure most satisfactory results for the user. It is particularly requested, therefore, that all points should be carefully noted and acted upon in-so-far as they apply it will be noted that according to destination and transport considerations, machines do not always leave our works dismantled to the same extent, hence the qualification, as there is a necessary difference between what the user will have to do when a machine is sent away completely dismantled as compared with a machine only partially dismantled. It is important that this booklet should be in
the hands of the Foreman or Millwright responsible for erection and should then be passed on to the operator and
be kept in tool box or locker for handy reference.
1
This Instruction Book is issude for use with
Type Radial Drilling
Machine radius. supplied to:
When ordering spare parts Page No. Peference o. ι
please always quote machine
Foundation Plan No. `
orderNo.
Wiring Diagram No. or the machine serial number
Machine despatched totally dismantled partially.
Date Despatched
In any correspondence please quote the references
Given above.

1. It is very important that he machine is lifted by means of clamps on the baseplate and not by slings under the arm, as this portion ís not arranged for carrying the total weight of the machine. The machine should also be carefully lowered so as to avoid any damage which can result from letting the baseplate on to the floor with a sudden force. on arrival. Machine should be carefully examined immediately on arrival, and if any parts are broken or damaged should be signed for accordingly, or if not noted before signing, machine should be signed for as unexamined and any damage notified within the proper time to the carriers, otherwise carriers may repudiate liability, and no responsibility is accepted by us after despatch from our Works with clean receipt from carrier. It is most important that all rust preventer or other means of protection should be removed and parts thoroughly cleansed, including
sliding ways, cylindrical parts such as pillar, spundle barrel, etc, as if not thoroughly done there may be complaints of stiffness which is by congealed rust preventer being in the way of free sliding or swinging of various parts. Various types of protection against rust are used by us, according to the transit conditions and distance. There is no difficulty with most of these being cleaned off quite easily, but where a varnish rust preventer is used this must be removed most carefully and thoroughly. To remove varnish rust preventer, a rag heavily soaked in some spirit cleanser such as turps or turps substitute should be applied in such a way as to allow the spirit time to penetrate the varnish. This wil then be thoroughly softened and can be rubbed off with the same rag. Caгe must be taken that every particle of varnish is removed in this way, as if not, and sliding or rotating parts are moved over the varnish, this will result in stiffness and interference with pгopeг working. Of course, with all bearing surfaces and parts such as the underside of pillar where fitting to baseplate, and other parts fitting together, it is important these should not only be thoroughly cleansed but that no grit should be allowed to remain on same before fixing together.
all rust preventer, the bright parts should be kept coated with a good light machine oil until erected and working.
The Erection instructions should be carefully noted whether the machine is totally or partially dismantled, as by careful study of the complete instructions good knowledge of the machine will be obtained. when totally dismantled.

ILLUSTRATION SHOWING THE METHOD OF LIFTING A COMPLETE MACHINE AS
REFERRED TO IN SECTION 1 ON PAGE 2.
It is assumed that the foundation plan for the machine will have been received in advance, and that the foundation has been prepared in accordanee with the instructíons given on the plan. It may be pointed out, however, that where possible we recommend the foundatíon to be so arranged that the top of the baseplate will come approximately level with floor say about in. Above the floor level, so that any projecting parts, or worktables mounted on the base plate which may project beyond same, will then not foul the floor. This method of fixing the floor plate generally results in the most convenient working height for the operator. Where it is impossible to act on the recommendation to have the baseplate sunk ín the manner indicated, ít is useful to have a simple wooden platform at front of baseplate, as indicated in rough sketch No. 1 below.
It is most important that the baseplate should be set perfectly level and not distorted in any way in fixing. All machines are erected on machined plates at our works, and are within careful limits of accuracy as applicable to machines of this kind when despatched from here. The baseplates are also specially designed to reduce distortion, but it is important that the following instructions should be carefully observed to ensure proper setting and levellíng of baseplate. Before puttíng the baseplate in position, a flat piece of plate of size indicated in the foundation plan should have been provided on the portion marked X in sketch No. 2 below, this being required in connection with the jack screw. must be taken when adjusting jack screw to see that it is tightening on to the steel plate and not binding tightly in the hole. The baseplate should be set in position on the prepared foundation upon suitable metal wedges according to the size of the plate, so as to support it at proper intervals.
A sensítive spirit level should then ,for checking the level of the baseplate, and wedges adjusted accordingly until the plate is quite satisfactory in this respect. Packing pieces as indicited in sketch should then be inserted near each bolt hole, to provide lid packigs for taking the tightening pressure of the bolts. All main bolt should be tightened up, but baseplate checked for level during this the when finally tightened there is no distortion, the packings, of couге,  adjusted to suit during the process. The bolts must previously have been grounted into the foundation and the cement properly hardened. At a later stage we recommend running liquid cement under and around the baseplate, but this can only be done after the whole machine has been erected some time and the baseplate checked finally for level. After the baseplate has been set and checked the pillar can now be assembled. Before lifting this on to the baseplate make certain that both the baseplate face and pillar bottom are thoroughly clean, as the presence of any foreign matter can affect the accuracy of the arm trammel.
 Sketch 1. Sketch 2.
When pump and piping is included on the machine, the circular pipe bracket carrying the vertical pipe through the pillar must be bolted to the underside of the pillar before mounting on the baseplate. The pillar caп now be lifted on to the baseplate and bolted to this by means of
the bolts provided, care being taken to ensure that these are thoroughly tightened. It is advisable to check the perpendicularity. A roughly made vee-butt square
on which the sensitive level is laid, is perhaps the most convenient means for checking. Apply the vee-butt to the 1
ground cylindrical portion of the pillar, and if the level registers the same all the way round the pillar is truly vertical. The arm should now be fitted on the pillar, being lifted with its top surface as nearly level as possible to secure that the ring inside top of cylindrical part of  arm, and that inside bottom part of same, forming bearings on the pillar, shall slide easily on to the pillar. The casting should be slung by a гope, approximately as shown on sketch a little adjustment of the rope sling will secure that the top of  the arm is level. Very particular attention must be paid to the following. The aгm is locked to the pillar by of two brass pads, which will be seen inside the top of the cylindrical portíon of the arm. The locking pads are controlled by two levers and an expanding screw. Care must be taken that the mark on the splined end of the screw agrees with the O mark on the casting, and before lowering the arm fully down
on to the pillar, caгe must be taken that the locking
pads exactly agree with the inner circumference of sketch 4.
the armhole, otherwise the arm could not slide down on the pillar and the locking pads might be damaged see sketch 4 .
The machine is sent away with the locking pads set in their open or unlocked position, and if not interfered with there will be no difficulty in sliding the arm down on the pillar. No attempt should be made to adjust them wider apart
than the position they occupy wíth the two O marks in line.
The arm should be allowed to slide down until it rests on the shoulder of the larger diameter, in the case of the two-diameter type pillar used in the models. In the case of the type, the arm is lowered carefully until it rests on the
flange of the pillar base. After arm has been fitted to pillar 3 6 to 7 0 machínes only it is advisable to check whether the operating plunger for the arm elevate interlock switch is in
position. To check, remove cover on bracket adjacent to cover A Sketch З. Then remove push button switch. The plunger should be between the switch and the adaptor on the shaft.

X scгew for secunng Collector
Gear into extension piece. K Y. Z. means for secunng
Collector Gear extension piece.
Sketch 5.
After the baseplate, pillar and arm have been erected,
as previously laid down, and all parts cleansed, the elevating gearbox, etc, can be fïtted. The arm will be in the lower position on the pillar. It should be raised on the pillar by crane oг other suitable means to an amount of about 6 in. or 7 iun, then firmly packed up in this position.
Sketch 5 shows the assembly of these parts, and the plate at the back of the arm covering the elevating nut should be removed. Remove the elevating nut safety nut and ball-bearing for the purpose of thoroughly cleaning these,
taking care no grit or foreign matter is left in the threads or in the ball-bearing, then suitably lubricate and re-fit. In the case of some of the larger sizes, lubrication to the brass nut during working is by means of a tube from oіl pocket
in arm, this tube being easily removed for the purpose of withdrawing the nut . It is essential to see that the elevating nut and emergency or safety nut and ball thrust bearing are properly assembled. This is indicated by the tenon on nut being engaged wíth the corresponding slot on nut. The
parts are marked by the letter O and it is imperative that these letters on the respective parts are put together. It is also equally imperative that the tongue and slot must engage, as if not this would result in the weight when elevating coming on the safety or emergency nut instead of on to the nut. When nuts H and I are coггectly fitted in the manner explained, the ball-bearing is in correct position when placed on top of nut H , the top of this ball-bearing
G being clear to the extent of slightly more than the pitch of the elevating screw thread, the top face having no contact.
It is most unlíkely that nut will ever wear out if properly lubricated, but should this happen, nut H will not raise or lower the arm, thus indicating the need for replacement of nut І. The lid of the elevating box should be removed, gears, bearings, etc, examined, thoroughly cleansed and well lubricated, though the box must not be filled with oil at this stage. The central portion of the collector gear which is the stationary part fixed to the pillar should be removed along with the cable attached to it. The elevating box can then be placed in posítion, and secured there by means of two pads which are bolted to its underneath part and which fit into the groove in the pillar top. Owing to the necessity for the two journal bearings beìng a good fit, it is advisable to have a wide packing at the top of the box, on which to exert the necessary force for driving the bearings home and equally distribute this force, so preventing damage to bearings or faces of box. The elevatíng box ball-bearings and dust
collaг aгe secured into the pillar by means of three screws. Care must be taken that the dust washer is not omitted and, of course, that it is not damaged in the process of inserting the screws. The elevating screw can now be fitted, taking care that the top trip coІlaг D with its ratchet tooth is on the underside below the elevating box and above the arm, so that the screw is threaded through this trip collar. The screw wíill, of course, be threaded through the two nuts, taking care that the relative positions of these nuts, H and I , aгe not dísturbed from what has been previously described.
The screw is threaded through until its fríiction face is fully in contact with wheel C in the elevating box.
The bottom trip collar K should now be threaded on to the screw and taper pin for securing same driven firmly home. The ratchet tooth on this trip collar, must, of course, point upwards. The packing supporting the arm can then be removed so that the weight of the arm is taken by the elevating screw and nut. The trip collar D should be threaded up the elevatíng screw until approximately in correct position for taper pin to be driven home, but it will probably be necessary to rotate the elevating screw slightly until the big part of the hole is in an accessible position for enabling the pin to be driven home satisfactorily. When assembling the tie bar and bracket, it is essential that the two shims are used. These will be found fastened to the tie bar bracket and must be fitted in position as found on bracket.
Note of Explotioп. The elevating screw gets its drive solely by friction of the opposing faces held in contact by the weight of the arm. The single ratchet teeth of the trip collars stop the rotation of the screw and well-lubricated faces slip without any danger to the machine. Nut I is the main nut for
elevating. Nut is aп emergency nut to prevent accident to the machine by the arm falling in such an event as the wearing out of threads in nut The tenon M connecting the two nuts keeps nut H continuously out of action in normal working as far as supporting weight is concerned. The thrust bearing is noгmally out of action until an accident occurs, when the tenon of nut is pulled out of nut I and the arm falls to the extent of clearance M, when nut simply rotates with screw and all danger is averted. Wiring. The wiring between central part of the collector gear is attached thereto. This cable must be allowed to drop down the inside of the pillar, care being taken that the end of the cable is accessible at the bottom of the pillar for coupling to junction box on baseplate. This central portion of the collector gear fits on a spindle which is tapped home in the hole in the pillar top until the dimple in the spindle registers opposite the hole for the securing screw, when the latter is inserted and nipped up to prevent rotation of the spindle.
Collector Gear. In connection with the insertion of the internal part of the collector gear it should be noted there is a detachable side plate or cover on the elevating box carrying the collector gear fingers forming the external part of the collector gear. Thus, it is not essential to remove this bracket, but in the event of its not having been removed during the examination of the box care should be taken when inserting the central portion of the collector gear not to
damage the fingers by holding this part until the central portion is in position and then seeing that they come correctly back into contact with the rings between the insulating discs which prevent 

Water Piping. See sketch 6. Before putting the top
lid on elevating box after assembling the collector gear A , H C the water piping must be fixed in position. The circular pipe bracket carrying the verti pіpe through the pillar must be fastened to underside of pillar before bolting pillar to baseplate. The pipe will protrude through the collector gear A whích has been fixed in position. Splined nut C must be screwed on to pipe, then plate B placed in position and fastened with Allen Head screws.  Water cover D is put on top of splined nut; these parts
being locked with nut E1; nut E2 is then screwed on to pіpe cleaг of nut E1 . White lead should be used for making a water-tight joint. Elbow unit G is then assembled and nut E2 screwed back to form locknut for elbow.

It is important when fitting parts B and D, to see that the faces of these do not touch. The clearance should be at least between the top of B and the inside of D dependent upon the length of pipe inside pillar. If these faces touch, when D ís locked by nut E the valve at the bottom of the pillar will be pulled off its Sketch 6. seating, thus allowing the valve to leak, wíth the possibility of the suds getting
along to terminal box. Pipe F is then screwed into position and afterwards the rubber piping is forced on and fastened with pіpe clіp provided. The lid of the elevating box can now be fitted in position, the joint faces to be covered with white lead, seccotine, or some suitable jointing material to make an oiltight joint. The lid is secured by screws and locating pins.

Sketch 7. Sketch 7a.
The elevating motor can next be secured to the lid of the elevating box, the motor being carefully lowered on to the studs and nipped up by the nuts provided. An outlet is provided at H to enable the coolant to escape in the event of leakage developing at the elbow G , thus showing up the defect and preventing the fluid from making its way to the collector gear. On no account should the hole at be plugged up. Ease of Arm Raiíal Movement. At lower portion of arm, where indicated by A in sketch 7a is provision for adjustment of a roller, which allows of free swing of arm being effected. The roller is mounted upon an eccen.tric
stud, and when arm is properly fitted, by trial of this in varying positions untit the arm is swinging quite freely wíthout affecting secure locking, the most effortless adjustment of arm radially can be assured. Should this roller setting be tampered with at any time, the arm may become stiff to move radially, but this can be overcome by readjustment as already described. The eccentric stud should be securely held in position after adjustment by the
screws B shown in sketch. It should also be noted that the number of studs and rollers varies in different sizes of machines. The screws B will be found under the cover and are the ones nearest to the head of the eccentric stud. Spindle Slide. This should be lifted with the top surface of the sliding ways as nearly level as possible. Sling by a rope binding exactly at the places shown in sketch 7. The rope at the position G should be tied securely by a small cord to the large diameter studs at H to prevent the rope fouling with the arm in mounting the spindle slide. If, when the spindle slide is mounted, it seems difficult to remove the rope from between the аrm and the studs H which carry motor bracket, it is only necessary to move the saddle along the arm, when the rope can be removed owing to space available on account of core in back of arm casting. Before assembling saddle on arm, the sprocket chain which acts as a rack for the movement of the saddle along the arm should be laid on the bottom side of the channel in arm with a short free end hanging down over the outer end of arm as shown at R. Care must be taken that the sprocket wheel B engages with this chain and the spindle slide may be pushed on the arm and the chain drawn through, in readiness for being secured and adjusted as described later. The ball-bearing rollers  four in all, should be adjusted by the eccentrics and locked by the screws E. This adjustment must be carefully made, so that there is just enough equal pressure on the rollers to ensure very easy and light movement of the spіndle slide along the arm without leaving the other bearing surfaces out of contact with each other. If too much pressure is put on the rollers when setting up, the spindle slide will not be as free to move
along the arm. A check is ensured by trying tester at each end of slide angular bearing. The fitting gibs should now be put in and adjusted by screws. The spindle driving motor can now be fitted. After mounting spindle driving motor in positíon, the traversing of the slide along the arm should be checked sketch 8. and any necessary final adjustments made. Insert long locking shaft through holes sketch 7. Locking shaft bracket A, sketch 3, being already removed, the internally splined coupling for same, into which fits the long locking shaft, must be inserted in the bracket, the long shaft end passed through this bracket into the coupling, and secured together by means of the taper pin. The correct position for these two parts is indicated by the O mark
on each. The bracket must then be bolted and dowelled to the arm casting. Next mount the slide motor in position shown in sketch 7, first of all making certain that paint, etc, is scraped off both motor feet faces and pedestal faces.
The motor brackets should be carefully placed on to the
bolts and secured in the exact position by means of bush
screws, the fixing nuts then being tightened and locked by
means of lock nuts. Motor can then be placed on the bracket, care being taken that motor is slid into the motor
coupling in correct alignment. It can then be bolted down
firmly. Should it be possible to move either the arm or slide with the lever in the locking position, slight adjustment of the locking arrangement will be necessary. In the event of the arm not being firmly locked, remove cover A, sketch 3. See that the locking levers are in the locked position. Take out screw which holds plate to lock nut on locking screw. Slide plate away from nut then turn nut until desired lock is obtained, fasten plate with screw and replace cover. If the spindle slide lock is not effective slack off lock-nut A in sketch 9 and adjust screw B upwards until the lock is firm when applied, but not so much as to prevent spindle slíde traversing perfectly free when lever is in the unlocked position. Then, when adjustment is correct, tighten up lock-nut. It will be found advisable to adjust screw B only a very small amount, trying after each adjustment until satisfactory.
The machine is now ready for coupling up to electric cable, both to supply at junction box at pillar foot and from the collector ring and motor by means of the pin plug arrangement to panel at back of spindle slide, as per wiring diagram which is submitted for each machine according to voltage, etc, conditions. The plug arrangement in connection with this prevents any mistake in wiring at this point owing to the arrangement of pins. In the case of supply it is possible that when the motors are first started up
the direction of rotation will be wrong, in which case it will be necessary for two of the line wires to be reversed in the terminal box at the foot of the column to obtain the correct rotation in the usual manner with 3 phase supplies.
The electrical equipment does not include no-volt and overload release, and if required by customers any such arrangement as this should be inserted by them
between the machine and the mains in the most adjacent position so as to be under inımediate control of the operator
Ereetion when partially dismantled in some cases, especially with small and medium-size machines in the Home market, very little dismantling is done for transit purposes, only the elevating box at top of pillar and the elevating screw and elevating motor being removed. In such cases, unless requisite for clients own internal arrangements, the pillar will not be removed from the base-
plate and the preceding instructions will only apply in-so-far as necessary. Before staгting, the following points require special attention.
Elevating BoX. This should be supplied with oil until showing half-way on the sight glass.
Top portion of Saddle. There is a well or reservoir of oil in which the worm gears and spur gears run. This also should be filled until showing half-way on the sight glass. There is also a reservoir oг well in the bottom portion of the  spindle slide with a level indicator, and this must be filled to the same level. There ís an additional oil well at the back of the slide which should be filled up to the half-way line on the sight glass. There is also an oil well in the arm for lubricating elevatíng screw and this should be suitably filled.
This particular supply has wick feed and the wick should be removed and a plentiful supply of oil inserted. The wick can then be put back and filled to the arrow mark. Other points requiring lubrication by oil or grease aгe indicated, along with the foregoing, on the lubrication chart, pages 16 and 17. The cylindrical portions of the pillar should then be covered, but not too thickly with the lubricating oіl, and the elevating screw should also be thoroughly oiled over its whole length. The sliding ways on the arm should also be lightly lubricated.
Starting Up. Assuming erection has been done in accordance with the foregoing instructions, no locking or other adjustments will have been disturbed, but to make sure that all is in order, the locking lever 4, in sketch 10, should be tried for its locking and unlocking effect, traversing the spindle slide along the arm, which should be very light and free when in tre unlocking position, and
trying the arm for adjustment, which should also be very light and free to adjust. When the locking is applied, however, it should not be possible to move the spindle slide along the arm by the traversing handwheel 10 with ordinary effort, neither should it be possible to push the arm radially with ordinary effort. Whilst trying the arm radially the extra arm locking provision 12 should be in the off position, the use of this being explained later. After trying these motions with the arm unlocked, move the starter handle 6 into the slot for controlling the elevating motor and try the elevating and low. of the arm. It is only necessary to try this to ensure that aІІ is in order same carefully to the top and bottom positions, leaving then the matter of adjustments of the arm to be done according to actual working requirements.
Spindle Motor. The spindle motor can now be tried. To do this we recomnıend putting the gear lever into the bottom speed indicated by the index plate, selecting the slowest spindle speed in double and run for a short time to get oil circulated and taking particular caгe to oil spindle as instructed

on page 17, so that main spindle bearings receive an ample supply of oil. To do this, whilst there should be no doubt if the wiring instructions foregoing have been attended to, opportunity can be taken to check whether the spindle is running in the correct direction as indicated by the plate which is marked Spindle Forward, Spindle Reverse. After running a short time in slow speed, the application of the self-acting feed could be tried. Ordinarily this feed comes into operation with the drill coming into contact with the work, but the same effect can be obtained before drilling by
holding the star handle 9 with the right hand whilst moving the spindle handwheel 8 anti-clockwise wıth the left hand, this movement being effected sharply or with a smart jerk, the self-acting feed is then engaged. To disengage this
self-acting feed traverse, move the spindle hand traverse wheel 8 in a clockwise direction. The machine can then be tried through the dífferent speeds and feeds, noting the conditions of bearings and gradually increasing the speed, not going on to top speed immediately. After carefully going through the above, which is only as a check on proper derection, and running conditions, the machine will be ready for operating.
Quick Movement of the The star wheel 9 is keyed fast to
the shaft of the spindle pinion and can be used at any time to raise and lower the spindle.
Lowes Spindle and Engage Feed. The large handwheel 8 immediately behind the star wheel will also lower the spindle if no resistance is offered to the movement of the spindle. As soon as the drill meets the resistance of the work, however, further slight movement of the large handwheel puts in the positive feed clutch and spindle will now continue feeding down by power. To disengage the feed, reverse the movement of the large handwheel. This first takes out the feed and then raises the spindle.
Tapping. For tapping purposes the reverse to the spindle is obtained electrically by rneans of the lever 6. Star Wheel 9 is provided for use when tapping by hand to avoid the possibility of power feed being applied accidentally.
Spindle Speed Choge. Momentarily stop the motor by means of lever 6. The speed changes are obtained by means of lever 1 in conjunction with the double gear lever 3. For each position of lever 1 two speeds will be found on the speed plate, these corresponding to single or double gear, the red speeds being single gear, the black speeds double gear.
Feed Changes. These are obtained by means of lever 5 and are obtained by simply moving round the lever to the desired feed.
Fine Sand Feed. The fine hand feed for drilling, facing, etc, is obtained by means of handwheel 7. When using the handwheel for fine hand feed purposes the feed change pointer 5 should be in neutral position and positive feed
clutch engaged by means of wheel 8. To Adjust Feed in Case of Slip. Remove sheet steel cover behind
handwheel 7, sketch 10, and adjust lock-nuts. If top nut is tightened too much the safety clutch will be locked solid and
will not slip if overloaded. To Remove and Reinsert the Spindle Barrel unit with Spindle Raclung Gear in position. Should it be found necessary to remove the spindle and barrel from the slide and reinsert same, this can be done without removing the trip gear on the front of the slide. The procedure is as follows: First wind spindle out approx. bins. then pack up with wood block. Take off the tension on the balance spring by inserting tommy-bar in the holes in the stud on the spindle cover and remove the knurled pin one notch at a time to prevent accident. Count the number of notches requíred to release tension. When the tension has been released the spindle cover can be lifted sufficiently to be able to remove the chain and connection which is held by means of nut. When this has been removed the top cover can be taken away. Remove wood block. The spindle and barrel can be wound out until the barre1lruns off the rack. Caгe must be taken that the spindle and barrel do not drop on to the baseplate. When reinserting spindle and barrel the foregoing instructions should be reversed. The
springs must be tensioned to the same amount as before the removal of the spindle and barrel.
When the correct position of the drill over the point to be drilled has been found the machine may be locked by pulling down lever 4. When the lever is pulled fully down the saddle is securely locked to the arm and the arm to the pillar. Stop, Start and Reverse. With the lever 6 in the middle position the machine is stopped. Moving the lever down starts the spindle running in forward direction; moving the lever up starts the spindle in the reverse direction. If the lever is moved into the elevating slot pulling the lever down lowers the arm, and pushing the lever up elevates the arm. It will be found opossible to elevate the arm when the arm and slide are locked on the pillar by lever 4 sketch 10.
NOTE.
The positions of parts 11a and 11b have been reversed.  This alteration does not affect the operational instructioas.

sketch 12.
Spindle when provided is engaged and disengaged by means of lever No. 2 in sketch 14.
Depth Stop. See sketch 12. Oith large handwheel 8 lower the spindle until the drill point is touching the work. On the boss of the large handwheel will be found a pointer. Rotate the divided dial behind the wheel 8 clockwise until the stop 11a oп the divided disc encounters the stop on the boss of the wheel 8, then move the divided dial anti-clockwise oг backwards until the desired depth is recorded under pointer on the boss of the handwheel 8. Turn knurled knob 11b on dial. anti-clock, making half a rotation which will lock the dial in posítíon. As soon as the projection on the boss of the handwheel 8 meets the stop 11a on dial the depth trip will operate and the feed will stop with the drill
at the desired depth. The stop 11a on the dial will swivel cleaг so that Operator can feed further forward without re-engaging of knurled knob 11b . Extra Lock is provided at the bottom of the pillar portion of the arm for use when engaged upon very heavy work, drilling cored holes, etc.
This extra lock, which is operated by lever 12, sketch 13, also enables the arm to be locked against radial adjustment only, leavıng it free for elevating or lowering without loss of position radially. Electrical interlocking arrangement prevents the application of power elevating motion except when the lever is in the neutral position B, or radial locking
position A. When the lever is in position A, the arm is locked against radial movement, but is free to be elevated or lowered; when in position B, the arm is free for elevating,
lowering and swinging radially; when in position C, the arm is securely locked against both vertical and radial movement. In order to move lever from B to A, it is necessary first of all to withdraw plunger D. An extra lever is also fitted on spindle slide for similarly locking the slide when on exceptional work, but this must be unlocked by hand when requiring to move spindle slide. These locks are NOT required for normal duty.

VERY IMPORTANT. This extra locking provision must not be used alone. In all cases when drilling it is essential that the arm and slide be fully locked by means of lever 4 sketch 10, thus obtaining the necessary basic security suffícient
for all normal work. The additional levers on the slide and arm provide supplementary locking when

Summary
Attention Required.
Daily Attention Points B.
Weekly Attention Point M.
Occasional Attention Points A, J, C, K.
Sketch 14.
heavy duty makes this desirable, but by themselves are not sufficient to lock the machine securely.
Equipment Both motors are fitted with ball-bearings, the bearings being properly packed with grease and should not require any attention in this respect for twelve months.
We recommend, however, that at periods of twelve months the bearings should be repacked with suitable ball-bearing grease. The motors should be examined periodically to see that the brushes are correctly bedded to the commutator and that the commutator, winding, and brush spindle,
where such exist, are clear of dust. Contactor Gear. The contactors are fitted with tips for making and breaking current. These should be periodically examined, and any roughness caused by pitting or burning should be carefully smoothed off with a smooth file. When the tips have become so worn that further cleaning up cannot be done, the tips should be replaced by new ones. The electrical equipment is thoroughly tested and adjusted before despatch. We cannot assume any responsibility for the correct working, or damage caused through stoppages or accidents when the apparatus has been interfered with
wíthout our consent.
Important Note. After it is first filled with oіl the machine should be run for a short time to allow all the wells and ledges in the slide to become filled with oil. Further oil should then be added to bring the level back to the correct place on the oil sight. It is reconunended that within the first few days after the machine has been put to work the oil should be drawn off and filtered in order to remove any foreign matter which sometimes shows up in the early stages. The process should be repeated at intervals untíl the oil ís found clear from foreígn matter. Before starting up the machines each day the spindle and balance chain should be oiled, this being done at the opening at the top of the spindle cover. Then the machined ways on the arm should be wiped clean of any dust which may have
accumulated, and slightly smeared with oil to ensure free movement of the slide thereon. The machined position of the pillar should also be kept clear of dirt. Before actually starting up the machine it is advisable to have the feed lever in the neutral position; also see that the double gear lever 3 sketch 10, is properly home, either in the single or double gear position. Following is a summary of periodical attention required.
To Charge Spindle Slide. Drain all the remaíning oil from the slide and pillar top box through drain screw holes D. І Sketch 14 shows positions A, J and C that are available for charging slide with oіl. Screw A to be removed and oil poured in until level is reached on oil sight N.
Likewise screw C to be removed and oil poured in until level is reached on level. situated on Double Gear Box at the rear of slide.
Screw J is used for fìlling bottom half of slide. Oil must be poured through hole until level is reached on sight X, and continue until level is reached on sight E. The following of these instructions will ensure that the slide is fully charged with oil.
Oil Nipples. B should receive oіl daily.
Particular attention should be paid to lubricatíng the oil nipple which is situated behind the master switch. To use the oil gun on this nipple the slide should be wound to the maximum radius and the oil nipple is then accessible from the rear of the machine. The Fod Box is packed with wheel grease before being despatched from Works, and only needs replenishing at intervals of six months or so.
At Intervals of 6 Months dependent upon running time of
the machine and upon the quality of oil used the oil in slide and pillar should be drained off, and fresh oil poured in as directed above. Remove screwed plug K and pour in filtered
oil until level reaches mіddle of oil sight at back of arm should be replenished weekly.

sketch No. 13 .
Care must be taken that free movement of the arm, with lever in unlock position, is not interfered with. Tighten up locknut X when desired degree of lock is obtained. To adjust Radial Lock, slacken locknut Z see sketch No. 13 and tighten nut immediately above it. must be taken that free movement of the arm, with lever in unlock position,
is not interfered with. Tighten up locknut Z when desired degree of lock has been obtained. Locking lever is held in off position by means of a ball and spring. Spring pressure can be adjusted by screwing in the grub screw. This is located in the boss of the lever on cross shaft. Gear change lever is located by means of two balls and springs. These are to be found, one at the top right-hand corner of the Gear Box, and the other above it on the Top Face of the Gear Box. Both are adjustable by means of a grub screw.

Sketch 15.
OРERATING INSTRUCTION 
The six available feeds are divided into two sets of 3 feeds, each shown engraved in two panels, X and Y, on the disc D and controlled by lever B, sketch 15.
To obtain any required feed, first move, by means of handle B, the panel containing this feed, until it is opposite the feed in panel, then by means of handle A, move the eyelet C until it encloses the required feed. These movements are also indicated by means of an arrow on handle A which
points to one of three lines on the front plate.
Neutral can be obtained in either group of feeds by moving handle A until the words neutral come opposite each other.

RECOMMENDED OILS 
For the assistance of American and Canadian users of Asquith Tools, specifications of recommended oils are given below іn general figures and in terms which are familiar to users in those countries: Perfecto Magna

NOTE In the case of Magna C. F. machine oil which is used for heavy duties, this should contain approximately 20 of fatty oil combined wíth sulphur in the non corrosive form to give a sulphur content in the finished product of 1. It should also contain 1 of a suitable tackiness additive.

TO ADJUST ARM LOCK Sketch 16. Remove cover A after arm is locked by lever 4 sketch 17. Take out screw B and slide plate C away from nut D then turn nut D until desired lock is obtained. Try out by moving locking lever 4. Replace screw B in plate and nut C and D. Locking Box F on arm. When assembling locking box F on arm see that on shaft and coupling coincide, then box with screws provided.
ARM AND SLIDE LOCK
Sketch 17. The combined arm and slide lock is operated from the slide by means of lever 4. This operates a switch 13 which controls the arm locking motor. An independent locking lever 14 is provided for locking the slide to be
used in conjunction with the radial 1 lock lever 12 sketch 13. Lever 4 will operate full lock to arm and slide but when machine is required to be locked against radial motion only for elevating or lowering the arm, lever 12 sketch 13, and
sketch 7 independent locking lever 14 can be used. If for instance due to the limited space between spindle and
work it is found impossible to insert tapper etc. without elevating the arm, lever 4 must be in unlocked position
and lever 12 sketch 13 brought to lock position. The arm is then free to be elevated or lowered to guard against any movement of the slide. Plunger handle on lever 14 is withdrawn then lever 14 is free to be brought to locked position.

SPECIAL INSTRUCTIONS WHEN MACHINE IS MOUNTED ON TRAVERSE BASE IN PLACE OF BASEPLATE
It is assumed that the Foundation Plan of the machine will have been received in advance, and that the foundation has been prepared in accordance with the instructions given on the Plan. First of all, the Bed should be arranged on the Foundation and temporarily Іevelled up. See Foundation Plan. Jack screws are provided for levelling the machine on its foundation, but they should not be used as a permanent means of carrying the weight. Flat plates or wedge blocks should be used for this purpose, both near to the foundation bolts and uniformly distributed under the feet of the machine. Next, place the column base on the bed, making sure that the slídíng surfaces of both are quite clean and free from grit, and both faces are well lubricated.
Now test the bed for level setting, correct if necessary by means of the jack screws and at a later date re-check the setting and grout in with liquid cement. After the column base has been fitted, the pillar can now be assembled. Before lifting this on to the base, make certain that both the faces on the column base and the pillar bottom are thoroughly clean, as the presence of any foreign matter can affect the accuracy of the arm trammel. The Chain operating the automatic lubricating device should be laid along the Bed in the Channel provided. One end is fastened securely to the Bed by means of plate províded whilst the other end is taken over the end of the Bed and Bracket and secured to the tensioning pin.