ffl®GlP®m GJ:flffi£IDmtW. Service Dala No. 220 (SERIES II) Manufacturers : , Ltd., Cowley, Oxford.

All rights reserved. This service Data Sheet is compiled by the technical staff of MOTOR TRADER and BRITISH AUTOMOBILES OVERSEAS, and is checked by the vehicle manufacturers. It is the copyright of these journals, and may not be reproduced, in whole or in part, without permission. , ..... , ...... , HIS version of the smallest of the Left is the 1955 model announced on day of publication, distinguishable from the current Morris range of vehicles earlier model (right) with vertically-slotted grille. Two-door and four-door saloons, T now in production results. from and a tourer, all basically similar in conception, are produced standardization following the merging of the Austin and Nuffield groups. Originally front carpet and felt, also gearbox cover the Minor was introduced in 1950 and plate and three set-bolts securing gear powered by a four cylinder sidevalve Mounting lever and take out lever. Lower r�ar of engine, whereas the present _model has At from, bonded rubber blocks bolted power unit and detach cross-members; the standardized B.M.C. engine, clutch to lugs on front engine plate and to unit may then be raised and mana:uv;:ed and gearbox unit. brackets on body extensions. At rear, forward clear of car. Various modifications have been made gearbox extension housing passes through Crankshaft since introduction and a list of the major inverted U-shaped rubber block, located Three main bearings, thin wall steel­ ones is to be found in the table of by flange on housing. Block fits into backed, white metal-lined located by tabs. engineering changes. Important amo�g shaped channel in propeller shaft tunnel End float controlled by split thrust these is redesign of the swivel pm integral with body floor. Strap with re­ washers recessed either side of centre assembly, which is now manufactured tainer bolted across bottom holds mount­ main bearing and retained by tabs in cap. fitted with a bush, thrust washer and seal­ ing up in position. All bolts should be Fit with oil grooves to crankshaft, no ing ring all of which are renewa�le. This tightened fully. hand fittin2 oermissible modification is Handard production from Removal Main bearings cannot be changed with the chassis number given onwards, and engine in place, as rear cap cannot be de­ chassis prior to this may be similarly fitted Engine may be withdrawn with or tached without removal of rear engine with these parts when overhaul becomes without gearbox but radi_ator and grille plate, but thrust washers can be renewed. necessary. The new "A" type rear axle must be removed in either case. Secure Oil intake strainer and suction tube described herein is now standard on pro­ bonnet in fully open position, drain assembly (union screwed into bottom face duction models of Series II, but some cars coolant and disconnect all pipes, wires of crankcase) must be removed completely will have been produced with former type and controls including heater connections before centre bearing cap can be removed. semi-floating hypoid axle and for dismant­ if fitted. Remove carburetter and air Flywheel, with shrunk-on starter ring ling and overhaul procedure of this unit cleaner. Remove four setbolts and spring gear, spigoted on rear flange of crankshaft see Trader Service Data No. 167. washers fixing radiator to grille and lift and retained by four equally spaced set­ On the date of publication the 1955 out radiator and also grille surround screws. Oil-impregnated spigot bearing model is announced, w h i c h i s attached to wings and frame (3 2BA bush pressed into end of shaft. mechanically similar to the early models, nuts beneath wing). Disconnect and Timing sprocket and pulley hub, with but has a restyled radiator grille and withdraw clutch operating rod and speedo oil thrower between, pressed on front end instrument panel, details of which appear cable end from gearbox, detach rear of of crankshaft, sharing special flat Wood­ on this page. propeller shaft. Uncouple engine steady ruff key, and retained by hand starter Identification is by car, model, and cable and steady on later dog setscrew. Sprocket fits with longer engine numbers which are stamped on models. Take weight of engine on sling, boss to rear, with shims behind for align­ identification plates. One of these, carry­ supporting lifting brackets on rocker ment. Pulley hub passes through felt ing car and model number, is fixed on the cover, and remove front mounting sealing ring in timing cover. Tighten off side of the dash panel beneath the brackets with rubber blocks and take off starter dog setscrew until, with crankshaft bonnet. Engine number is stamped on rear mounting retainer and strap. Remove at T.D.C. 1 & 4, jaws are at "20 past 10." a disc attached to cylinder block casting. Screwed components are being manu­ INSTRUMENTS AND CONTROLS (Earlier models, left, latest model, ri&ht) factured with Unified screw threads and 1. Screenwiper switch. centre of bonnet opening to 15. Clutch pedal. nuts in increasing numbers and the 2. lcnilion warninr fifht. k pushed down.) 1&. Dipper swilch. 3. Midure control. 9. Fuel raure. 17. Gear lever, showing rear general standardization classification 4. lcnition switch. 10, Speedometer positions. scheme facilitates identification. It 5. Panel light switch. 18. Heater control. should be noted that nuts, bolts and �t �����=!���•,irrci�• n nl ht screws, etc., marked as such are not ;: t:����t!rr!�.h. 13. Accelerator. �t �l!s��� i::r��� �fg�(! . a. Bonnot lock (safety catch in 14. Brake pedal. 21. Main beam warnin: lfcht. interchangeable with B.S.F. or Whitworth threaded units, although for all practical purposes the U.N.F. thread is inter­ changeable with the A.N.F. thread. In cases of doubt care should be taken to see that screwed components are assembled as they were dismantled. Special tools listed in these pages are designed to speed up operations of over­ haul and many of these tools will be found to suit other vehicles in the range. Similatity of use to which these tools can be put on other vehicles is clearly marked in the tabular information. ii MORRIS MINOR SERIES II Supplement to "Motor Trader", 20 October 1954

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Components of the , showing sump, water pump, manifolds, and, below, camshaft, crankshaft, valve train, oil pump, piston assembly and alternative air cleaners Supplement to " Motor Trader ", 20 October I 9 5 4 MORRIS MINOR SERIES II iii f Rear main bearing cap forms lower half of oil collector trough round return ENGINE DATA ENGINEERING CHANGES thread on shaft. Upper half detachable, ...... Chaosis retained by three setscrews. If detached, No. ofx cylinders ...... No. upper half must be refitted so that it butts : mm...... 58 XX 78 in . . 2,28 3.0ln CHASSIS Home and on cap after cap has been tightened fully...... Export Capacity: c.c,CU IR ...... 800 r x r ...... 49 Connecting Rods r 8 43 ear axle introduced replacing R.A.C. ated h.p. ::: ...... 7.75 Max. b.h.p. at .p.m. . .. 30 at 4,800 7x 37 axle ...... 170883 Big ends thin wall, steel-basked, white ... Crown wheel bolts increased to fin dia 182745 Max torque at r.p.m...... 401D/fl at 2,200 Wheel bolts with larger hexagon metal-lined shells, located by tabs. No Compression ratio ... 7.2:1 (,705in/,710in)r introduced ...c ... 184472 hand fitting permissible. Rods split Improvedc elay shaft for clut h intro- diagonally, cap and rod stamped on same du edr (R.H.D. only)r ...... r .. 184780 CRANKSHAFT AND CON. RODS Rubbe boots int oduced on 1tee lng side. ballJoints• · Big ends are offset. Fit Nos. 1 and 3 ... Main Bearinrs Crankpin• Diameter . .. 1.7505in ... 1.4379in i'rin dia clutch rod fittedc ...... 198890 with larger boss to rear, 2 to 4 to front. I Supprenorswiring... Introdu... ed... on ...ignition ... Lencth 1.395in ... 1.0681n r 205839 Oil bleed hole on longer side of big end Larger glaSli channels and rubbe s must go to off side, away from camshaft. Running clearance: ...... introduced to improve seal ... c . .. 205850 main bearings ...... 001-.0021n Gudgeon pins cotter-clamped in small big ends ...... 00061n-.OOtala Modi fledr exh aust assembly introdu ed ... 210866 ends, clamp towards camshaft. Slung ool liningr introduceduc ...... 220001 End float: main bearings ...... 002in big ends...... 008in s D; 216484 Pistons ��:�:{;:� :r�,i��t,o� ::d " Undersizes: main ...... 020-,040in Luxe " models ...... 221803 Aluminium alloy, T-slot, anodized, big ends .021h040in Introduction of wheel studs and nuts in Con. rod centres ... 5,751n I ieu of bolts ...... 228267 with dished crown. No._ o_f teeth... on starter. .. ri�,... gea;i. .. Modified swivel pin assemblies...... 228287 Pistons are supplied in fivesize gradings p1n1on 104/9 Improved shock absorbers fitted ... 240671 for selective assembly, rising in .0003in En1ine sleady cable introduced ... 264013 steps. Grade numbers 1 to 5 stamped in PISTONS AND RINGS • Approx. 23/3/53 diamond with " front " on piston crown. Clearance (skirt): .., ENGINE Engine Grade number must correspond with lop ...... 0021-.00391n No. number stamped on top of cylinder block bottom .0006-.00Hln r r Oversizes .01G-.020.-0J0-.0401n Modified oil pump drive ...... 693 alongside bore. r ± c Weicht witho�t rings... Int oduction of modified ca buretter Top compression ring plain, second or pin ... 5 oz 12 d 2 dr and manifold distan e-piece...... 928 c ring has taper face and must be fitted Gudgeon pin: ... Introduction of gudgeon pin clamping with side marked "TOP" upwards. On diameter ...... 562in s rew with larger head ...... 926 fit in cpiston Floatinr Oil release valve spring modified to &ive some parallel second rings were fit in on. rod ... cotterclamped lower pressure ...... • 926 �ted. These should be replaced by taper Compression height .. , 1.416-1.421111 Timing arrow and timing mark on.pulley r rings. Introduced ...... 4025 Compression Oil Conlrol Chamfered compression ing introduced Big ends will pass through bores, but r r ... In 2nd ring groove ...... 1859 pistons will not pass crank throws. Re­ GapNo. of ...inrs ...... 3 1 Imp oved water pump pulley introduced 12884 r move and assemble through top. .006-.011in .ooe-.0111n New flywheel starter ring mounting ... 29644 wfcf00VISSide clearance ..• ...in Gearbox rea dust cover discontinued Gearbox c Camshaft ... .0015-.00351n ,0015-.0035ln 8363 dth of rings .069-.070in .1!41n Introdu tion of dislributor with hiCh lift cam ...... 45023 Single roller endless chain drive. Cam­ c shaft sprocket, with synthetic rubber Spark plug gap modified to .020in-.0221n 56578 CAMSHAFT Speedo able withc tlnx 28 T.P.1. at tensioner rings (renewable) in grooves on 3 r ... cearbox introdu ed ...... 58088 either side of teeth, spigoted on cam­ No. rof bearincs ...... Dustp oof carburetter Introduced ... 61601 Bea ing journal: diameter ... 1,8521n M d ��� and d sp syn rome shaft, keyed with Woodruff key and re­ i:: �� ��� ��- �-� _ r c lencth...... 1iln Gearbox tamed by nut. No alternative fitting for Bea inc clearan e Front: 9178 valve timing. Sprockets must be removed .001ln-.0021n "Super Seal" Introduced in water Centre and rear: pump ...... r...... 72810 and assembled together .. r r ... .0012-.0027in Modified clutch drive plate int oduced ... 83161 Camshaft runs in three bearings in End float ::: ... Nil Bu man oil pump int oduced as alter- tiich c crankcase. Front bearing has white metal­ Tlminf chala: ... jln native to Hobourn-Eaton ...... 83314 o. of links 52 New rlocklnrc plates for ro ker shall lined steel bush, pressed in. Others int odu ed ...... 88347 direct. End float controlled by thrust VALVES Modified flywheel dowels lnlroduced ... 93798 plate trapped between sprocket and shoulder on shaft, and bolted to front Inlet Exhaust face of crankcase. ... SPECIAL TOOLS Head diameter . .. 1.093-1.098in 1.000-1.005in° Dot punched timing marks on sprockets Stem diameter ... .2793-.2798in450 .2793-.2718in Part No. must be together when chain is fitted Face-angle ... .. 45 ENGINE:r C ankshaftr gear and pulley re­ with No. 1 piston at T.D.C. on compres.'...... place and front coverr locator GT 138 sion stroke. Sprinc lenctll: free ...... Hin Valver rockerc r bush emover and fitted ...... 119/641n epla e ...... GT 148 Valves at load 37½1b±21b Valve seat cutter sel In box ... 301075• Valve grinder (suction) ...... 68893 Overhead, not TRANSMISSION: r intercha nge­ Diagram showing order Front and rear hub drawe (Uni- able. Inlet larger _of tightening of cylinder versal) BSF ...... • A,J,A. 5019t ( (superseded) 68822• than exhaust. Split head nuts see " Nut Front and rear bush drawer (con- cone cotter fixing, Tighteni ng Torque version to u NF) ...... A.J.A. 5022 single springs. Cot­ Data") (superseded) 301209• Axle shaft drawer (BSF) (1st type ters retained by ule only)r ...... • .. 68823? spring clips. Rub­ Axleshalt d awer (UNF) (1st type ber sealing rings axler only) .._. r ..c . . .. 301203•: BALL AND ROLLER BEARING DATA Rea axle ptnion inner a e ftttlnr with retainers on and withdrawal tool ...... 301224• valve stems below Part lnt. Xdia. Ext. dia. Type Clutch plate aligning tool ... QT 139 collars. No. Universalclutch gaure plate ... A.J.A. 5010 Valve gui des ...... Rtar ult pinion positioning fix- •Front hubs, inner , ...... 127925 2in SR Radial ture (with mandrel) (1st axle plain, no shoulder, •Front hubs, outer ...... 139289 1n 1i'rln SR Radlal only) ...... 39879 non - interchange­ Cons. mesh pinion X15625 rIn 2¼1n SR Radial Rear axle pinion posilionlnr fix­ able. Inlet guides .., ...... w. Groove ture (standardized "A" axle Malnshalt rear X15625 tin 2¼1n SRw. Radial only) ...... A.J.A. 4004 are longer, exhaust ...... Groove Axle pre-load check tool...r ... 88839 guides counter­ .Mainshall exlension ...... QA11033 25mm 52mm SR Radial Pinion outer race withd awal tool 301587 bored at bottom Bevel pinion front ...... 100478 11n 2un Taper roller Dummy layshalt ...... • QT 141 and countersunk at Bevel pinion rear ...... 100418 tin 2 in Taper roller Synchromesh assembly rlnr ... 8T 144 Differential .•...... 101108 35mm 72mm SR Radial top. Press in both Rear hubs 101434 1ilJI !½la SR Radial t• Also fit Morris Six. types until they Un With A.J.A. 5022, ¼. UNF. j H •Car No. 228267 onwards...... A.J.A, 5025 ti, IISF. pro ect in from Front hubs, inner 2A4147 iln 21n Controlled i A.J.A. 5033 UNF, spot face of spring ...... width Early type oaly. seat. Front bu�, outer 2A4148 tin 1ftln Controlled width - iv MORRIS MINOR SERIES II Supplement to "Motor Trader", 20 October 1954 � Tappet and Rockers Cooling System setscrews, and draw rods out one at a time, catching interlock plunger and balls Plain barrel tappets sliding dire�tly !n Pump and fan. Non-adjusta�le thermo­ recessed in walls of box. Lift out forks. crankcase. Access through opemng 10 stat in water outlet port on cylmder head. Drive out layshaft spindle either way, side. Pump has spring-loaded carbon and rub­ ailowing cluster to fall to bottom of box. Bushed rockers, all interchangeable, on ber seal. Draw out primary shaft with spigot bush shaft carried in four pillars. Shaft located Adjust fan belt by swingin� dynamo and bJll bearing, drifting from inside if by grubscrew in No. 1 pillar, .w!iich _is until there is lin movement either way necessary. Tap out mainshaft assembly drilled for oil feed through dnll10gs 10 on vertical run of belt. to reu with ball bearing and housing head and cylinder block. Pair 9f rockers (spigoted in rear of box). Take out for each cylinder located on either side TRANSMISSION reverse spindle locking setscrew and drive of pillar, separating springs between Clutch spindle out to rear. Lift out bushed idler rockers of adjacent cylinders. Borg & Beck single dry plate. Sintered gear and layshaft cluster with thrust Push rods can be removed singly after carbon thrust release bearing. washers. adjustmenr has been slackened right off. Only external· adjustment is on front L::iyshaft cluster runs on needle rollers Inner rockers can be pulled aside against end of pedal pull rod, to give ¾in free retained iq bore by L-section retaining separating springs, but end rockers must movement at pedal pad. rings and spring rings. Rollers will not be taken off after removal of split pin, Access to clutch for service after re­ drop out. plain washe,r and double coil spring moval of gearbox. washer. To dismantle mainshaft assembly, slide Gearbox offtop/3rd gear synchro assembly. Depress Lubrication plunger locating splined thrust washer Four speed. Synchromesh on 2nd, 3rd inside 3rd gear cone, turn washer and Hobourn-Eaton eccentric rotor pump and top gears. Central lever. Propeller slide off, releasing 3rd and 2nd gears with spigoted in recess in rear face of cylinder shaft sliding joint on mainshaft. bushes, thrust washer between, splined block and driven by pin and slotted shaft To remove gearbox, remove distributor thrust washer behind 2nd gear, and 2nd from rear end of camshaft. Some engines cap, disconnect exhaust pipe and heater synchro assembly with sliding 1st gear. fitted with Burman pump; pumps not connections (if fitted) to allow engine to Undo shaft nut, releasing speedo drive interchangeable without changing retain­ drop (detach heater tap from rear of gear and long distance-piece. Press shaft ing studs. cylinder head). Remove gear lever (three out of ball bearing and bearing out of Engine must be removed from car for setscrews in bell-housing cover). Raise housing. removal of pump. Cylindrical gauze in­ rear of car on axle stands. Disconnect Primary shaft ball bearing (same as take strainer in sump, carried on bracket speedo drive, clutch link and cross-shaft, mainshaft bearing) retained on shaft by between centre and rear main bearing and rear end of propeller shaft (also en­ nut with right-hand thread. caps and flange-bolted to suction pipe, gine steadies on later models). Sup­ To reassemble gearbox, reverse dis­ upper end of which is retained by union port rear of sump on jack, and detach mantling procedure, noting following nut screwed into bottom face of crankcase. rear mounting strap. Lower engine until points:- Oil delivered through drillings to gal­ gearbox can be drawn straight back, and lery on off side of crankcase, and to by­ Layshaft cluster: Push inner spring take out bell-housing flange bolts and set­ rings into bore, making sure that they bed pass filter (Purolator type MF6100, AC screws (including starter bolts). type SA) screwed into crankcase and To dismantle gearbox, remove clutch retained by clamp. operating fork and release bearing. Non-adjustable spring-loaded plunger Detach front cover, noting shims in bear­ 81,. relief valve on off side of crankcase below ing location. Extract speedo drive pinion � distributor. Remove distributor for and remove rear extension housing, noting access. shims in bearing location. Detach side cover and pick out 1st/2nd and 3rd/top selector springs and plungers. Take out L'l6) plug nearest front in bottom of box (fy!/;Y retaining reverse selector spring and plunger. Take out selector fork �j_ij

Components of the gearbox and clutch, showing also rear mounting and cross­ member, and alternative pedals for left- and right-hand drive

I ' Supplement to" Motor Trader", 20 October 1954 MORRIS MINOR SERIES II V

securely, insert short distance-piece in damper arms from body. Mark propeller HA DATA rear end, then insert inner retainer and shaft coupling flanges and disconnect shaft ______c_ _ _ss_,_s______/ feed 20 rollers into each end, using lay­ from driving flange, supporting rear end CLUTCH _ shaft spindle as guide. Fit outer retainers of shaft. Remove rear shackle nuts and and spring rings. Lower cluster into plates and lower rear ends of springs to Make ...... Borg& Beck Type ...... 6¼in. s.d.p. gearbox with large front and small rear the ground. Withdraw axle from car. Springs: no. . .. 6 thrust washers, and locate with thin rod Refitting is reverse of above process, but colour ... Blue so that large gear is clear of primary shaft it will be necessary to bleed brakes. Con­ free length 1-58in Centre springs: no. 4 when it is entered. Thrust washers avail­ nect brake cables before releasing weight colour ... Black able in thicknesses of .123-.124in, of axle as cable tightens when weight is Lining: thickness .130-.120in . 1255-.1265in, .1275-.1285in and .130- off springs . dia. ext. 6.28-6.22in .13lin to take up end float. Half-shafts (interchangeable) upset at dia. int. 4.26-4.25in Mainshaft : Press on ball bearing in outer ends to form flanges which register GEARBOX housing (spring ring and flange on hous­ on wheel studs on hub flanges. Hubs run on ball bearings retained on axle tube Type ... • ...... Synchromesh ing to rear), and fit distance-piece, speedo No. of speeds ...... 4 drive gear and nut. ends by nuts with tab-washers. Lipped Final ratios: 7 /37 axle 8/43 axle Slide on 2nd gear synchro assembly oil seal in hub behind bearing (lip to bear­ 1st ...... 21.618 21.985 ing). If shaft is withdrawn, note paper 2nd ::: ...... 13.69 13.909 with sliding 1st gear (three locating balls 3rd ...... 8.88 9.029 and springs are all on one side), followed gasket behind flange. 4th ...... 5.286 5.375 by large splined thrust washer, 2nd gear Bevel pinion shaft runs in taper roller Rev...... 27.38 27.81 and bush (plain bore) with dogs to front. bearings. Outer races pressed into final PROPELLER SHAFT Locate centre thrust washer on dogs Jf drive housing. Distance-piece between bush, and slide on 3rd gear bush (splined inner races, which are nipped up by Make .. , ... Hardy Spicer Type ... bore) so that dogs locate in spaces in driving flange nut. Shims between ...... Needle roller U.J. centre washer. Insert spring and plunger distance-piece and front bearing (.003in FINAL DRIVE I in shaft, and fit 3rd gear and splined and .00Sin available) ·regulate preload on Type ...... Hypoid ¾-floating thrust washer. Depress plunger through bearings, which should give 8-10 lb/in Crownwheel/bevel pinion teeth 7/37 or 8/43 hole in 3rd gear cone and turn washer to drag (plus 3 lb/ in if oil seal is in position) lock. Slide on top/3rd synchro assembly, when driving flange nut is tightened to BRAKES 150 lb/ft. Adjustment for pinion mesh which has three balls and springs equally Type ...... Lockheed hydraulic spaced. by distance piece. Drum diameter ... Tin When inserting selector rods, note that Crown wheel spigoted on one-piece dif­ Lining: length ... 8.54in ferential cage and retained by six setscrews. width .. . 1.22in two interlock balls fit in cross-drillings, thickness .. . .198in one between top/3rd and reverse, one Differential side bevel gears run directly No. of rivets per shoe 10 between 1st/2nd and reverse, just behind in cage, planet pinions have spherical selector locating springs and plungers. washers. SPRINGS Short plunger, rounded at both ends, fits Differential assembly carried in semi­ Rear in cross-drilling between top/3rd and thrust ball bearings in split housings. Length (eye centres, laden) ... 44in Width...... Hin 1st/2nd rods in rear wall of box. Thrust side of bearings must face out­ . .. Thickness ... �n When fitting front cover and rear exten­ wards. Shims between differential cage and No. of leaves ...... ' sion housing, refit shims as found in bear­ inner races of bearings for mesh adjust­ Free camber (lenglh) .. . 3.Sin ing locations. These shims need chang­ ment. Adjust so that the crown wheel is Loaded camber (length) ... .28in nee ing only if new cover or housing is fitted, just free without play, and backlash is SHOCK ABSORBERS in which depth of bearing location varies. as etched on rear face of crown wheel, then add .002in shims to each side Make.. . Armstronc Shims are available in three thicknesses, Type ...... double acting piston .004in, .006in, and .0lOin. bearing to give .004in preload. Differen­ Service ..... · 1 Top up Rear extension housing bushed for pro­ tial assembly should then be light push 1------peller shaft sliding sleeve yoke, with oil fit in housing. STEERING BOX seal at rear forming assembly with dust Make ...... Morris cover fitting over end of housing. To CHASSIS Type ...... Rack and pinion Adjustments: pinion end float thrust washer renew seal, drift off dust cover after Brakes rack end float... shims on dampers weakening iips of three indentations with Lockheed hydraulic. Two leading shoe mesh ...... shims on dampers hacksaw (later models have no dust front brakes with separate cylinder to each FRONT-END SERVICE DATA cover). Seal assembly retained in same shoe. Rear brakes have single floating way can be drifted straight off. Both seal cylinder incorporating bell-crank for hand­ Castor ...... 3• and dust cover are scrapped after removal. Camber ...... N:1 brake operation through separate cables in Kini pin inclination::: ... 8½0 Secure new seal by pinching into groove conduits to lever lying horizontally be­ Toe-in...... 3/32in in three places, making sure that it is tween seats. No. of turns lock to lock . .. 2½ held true while being clinched. Adjustments: castor...... screwed pivot Micram adjuster on each wheel cylinder, camber ... - Propeller Shaft with slotted head reached through holes toe-in ...... screwed lie rod ends in drum and wheel. Turn adjuster clock­ Hardy Spicer needle roller bearing uni­ wise until shoe touches drum, then back versal joints, series 0500. Nipples for off one notch. Note two adjusters on earlier model and readers are referred to lubrication of joints. Sliding joint, yoke each front wheel. Trader Service Data 167 for full details integral with sleeve, Of! gearbox mainshaft. Handbrake cables have adjusting nuts of overhaul and dismantling. Data fables Rear Axle at base of hand lever, but these should of steering geometry are listed in these pages. Three quarter floating hypoid bevel, never be touched unless cables have banjo type, rear cover welded to casing. stretched severely. Brake shoes must be Steering Gear adjusted before cables are taken up. Make Apart from attention to hubs and half Rack and pinion. Inner ends of sho:t sure that cable nuts are properly bedded track rods attached to ends of rack by shafts, axle cannot be overhauled without on trunnions after adjustment. use of full range of tools listed. Replace­ ball joints covered by concertina gaiters ment axles are available as units and Rear Springs and lubricated from steering gear. should be used when possible. Semi-elliptic. Loose rubber shackle Shock Absorbers To remove axle raise rear of car, remove and anchorage bushes (all interchange­ Front and rear: Armstrong DASS, roadwheels, release hand brake and dis­ able). Shackle pins and anchorage bolts double-acting piston-type hydraulic. No connect brake hose at union on underside shouldered, tighten fully. Anchorage adjustment. of car floor. bolts have heads drilled for peg spanner, Front shock absorbers can be topped up Remove brake cable housings at an­ and are inserted from inner side of bracket. in place after cleaning, but rear must be chorages on spring brackets, disconnecting Shackle pins and anchorage bolts must be removed. cables and taking out clevis pins securing tightened with car in static laden position. yokes to actuating levers on back plates of Trailer Attachment brake drums. Support axle on stand or Front Suspension No provision made for towing, as trolley jack, unscrew U bolt nuts and lock­ Independent torsion bar, shock absorber bumper bracket mountings are not nuts, remove spring clamp and damper controlled. Suspension on the. Series II designed for additional loads, and cannot bracket plates. Release and remove Minor is identical with that employed on easily be modified. \'i MORRIS MINOR SERIES I1 Supplement to '' Motor Trader", 20 October 1954

Below: Components of the steering gear. Note secondary damper which can be fitted at support end of rack to eliminate rattle on worn units. Centre : Rear axle, showing components of the differential and half-shaft mounting. The later standardised " A " type axle is similar but ma kes use of a banjo type axle casing with retaining yokes for the differential assembly bearings •

Front suspension shown on the left as it is mounted in position ; and on the right _in its component parts. Note later type of screwed top pivot mounting Supplement to "Motor Trader", 20 October 1954 MORRIS MINOR SERIES JI vii

TUNE-UP DATA ELECTRICAL TEST DATA

Firing order ... 1-3-4-2 Cam angle so• Battery ..• . .. Lucas Tappet clearance, hot: Contact spring tension 20-24 oz 420196 model ...... GT.W 7A/2 Inlet ,011in Contact set No. voltage ...... 12 .014-.016in uhaust .011in Contact breaker 1ap no. of plates per cell 7 ° Condenser: capacity ... .2mf Valve timing: inlet opens 5 BTDC capacity ...... 38 ah ° min. insulation ... 3 meg ohms Spee. gravity: up to so• F 1.280-1.300 inlet closes ... 45 ABCD Plugs: make Champion 80 °-100° F 1.250-1.270 ° ° exhaust opens 40 BBDC type NA-8 Over 100 F 1.220-1.240 ° Dynamo exhaust closes 10 ATDC sizo 14mm model •.• ... C39 PV/2 No. ol flywheel teeth 104 gap .C-20in-.022in serviceno. . .. 22258A Standard i1nition timing 2° BTDC Carburettor: make s.u. rotation (comm. end) Anti clock Location of timing mark Marks on crank• type H-1 cul-In volts at r.p.m. 13 v@ 1,050-1,200 ° r.p.m. shaft pulley and Settings: Choke 30 semi d.d. ·fixed Hin output amps at r.p.m. 19 amps@ 2,000· timing chain cover 2,100 r.p.m. and Needle G G (std) Distributor: type and serYice 13.5 volls Fuel level fired No •... D.M.2/40299 field resistance 6.2 ohms Air cleaner: make AC 7222414 brush tension 22-25 oz Advance range (crank. de1.): type Oil·wet* Control box centrif. Mar. range 20°-24° Fuel pump: make s.u. model ...... • .. RB 108/1 vacuum 22°-26° type L serviceno...... 37138 prassura ... ¾lb Advance starts (crank r.p.m.) 400-600 cut-out: cut-in voltage ... 12.7-13.3 cut-oul voltage .. . 9-10 Mar. advance ( crank r.p.m.) 500 •Export-Oil bath ··· I AC 7222402 regulator voltage: 10'C(50 °C) 15.9-16.5 (open circuit) 20°c (68°F) 15.6-16.2 30°c (86°F) 15.3-15.9 4o•c (104• F) 15.0-15.6 Slarter model ...... M35G/1 service no...... 25022 .; 57 rotation (comm. end) ... Antlclock lock torque (lb/II-amps-volts) 9.31b/ll@ 370-390 amps and 7.7-7.3 v. torque at 1,000 r.p.m. 4.91b/ll @ 250------'• � IGNIT10N ,- --,===!i(AEENWIP(A --- _ _:_ � I,£} W#WNCi 270 amps and 9.3• P'______IS';I LIC';tl 8.9 volts """'--1----',:s>;,,�57 $WIT� brush tension '-.Y PANEl PANEL 15-25 oz sq)( I '""' '"'"' Coil TAil model ... Q12 " .... o, service no. ... Wo\A.NING P[TAOL 45020 ""'' stall current 2.7 amp running current at 1,000 r.p.m. 1 amp LIC;HT1t1G r �\k�; !Cnll()f,j 4 SWIT(."4 SWITCH Cu],. 11 U P(HIOl T.l"'K ;:-\_!) ADDITIONAL ELECTRICAL DATA lv"tiT�l--+l--+-1-1-_!,�if?"UC.HT ')fl'IICH Lucas Equipment

Model SerYice No. Headlamps: R.H.D. ... F700 51336 L.H.D. ... F700 51337 U.S.A. ... F700 51343 Sl[(IIIING Europe (not co.-"" France) ... F700 51339 """ France •.• F700 51341 Side lamps: standard 489 52139 flasher, U.S.A. ·only ::: 488 52162 Stop/tail lamps: standard 471 53288 Number plate lamp ... 467/1 53101 Panel light sw,tch ... 10 31140 Starter switch ... ST 19/2 76123 Lighting switch ::: ... PPG 1 31126 Ignition switch ...... S45 31287 &creenwiper switch ... P�15 31217 Traflicator switch ... SD84 31190 Flasher Switch ...... TPS1 31250 Traflicators ...... SF80 54049 (2-door) 54044 (4-door) Flasher unit ...... FL3 35003 STOP DB10 LAMP Flasher relay ...... 33117 �•c• Screenwiper ...... CRT15 75151 " Fuse box (2-35amp Fuses) SF6 033239 ,,1 I Horns: high note (U.K.) ... HF1235 069399 C8 low note (U.S.A.) WT614 69011 UUJ'flCAIOA ... (low note) (llfl 11ANO) 69012 (high note)

BULBS

INT(Jl;CA L�Hl ------I, SwtTCH (WHtN mrro) Lucas Volt- Watt- No. --age --age ----Cap Headlamps: dip left ...... 354 12 42/36 Prefocus dip right...... 301 12 36/36 Prelocus ,.__,.,OP vertical dip ... 370 12 45/40 Prefocus ' S!Qtl,,A�P Side lamps: standard ..• ... 222 12 4 MCC flasher ... 380 12 SBC Stop/tail lamps: standard ... 380 12 21/6 SBC Number plate la,;,·j, 222 12 4 MCC 33 BROWN 41 Reverting lamp ... - - - - 34 :r R D 42 Fog lamp ...... - - - - 35 � YfllOW 43 Ignition 970 2.5 0.5 MES 36 z:t BLUe 44 ...... 37 � WHITE 0 Traflicator ... 987 12 2.2 MES 38 0 GRUN 46 Warning lr.mp ... 987 12 2.2 MES 39 � PUA.PU 47 2.2 8 Panel lamps ... 987 12 MES 40 BLACK Trafficatort ... 256 12 2 Festoon Wirinzdiagram bypermissson of Joseph Lucas, Ltd. viii MORRIS MINOR SERIES II Supplement to" Motor Trader", 20 October 1954

24

7 5 17 24

KEY TO MAINTENANCE DIAGRAM FILL-UP DATA Litros EVERY 250 MILES 14. Distributor-Oil shaft bearing, auto advance Engine sump 8¾pt 5.7 and contact hreakcr Gearbox 2¼ pt 1.3 1. Engine sump } T 2. Radiator op up 15. Dynamo-Heflll with h.m.p. grease (later Rear axle ... 1½ pt .85 models-oil can) Cooling system 9¾ pi 5.5 EVERY 500 MILES Fuol tank ... 5 gall 22.7 EVERY 6,000 MILES Tyre pressures: front 22 3. Steering ball joints (2) 16. Gearbox } D . rear• 22 ( ) 17. Rear axle ram an d fillre 4. King pin bearings 4 }Gr,•asc 5. Propeller shaft universal jolots gun 18. Front wheel hubs-Removo caps, add grease • Fully loaded with 5 pos1ongars and luggage (2) anct rCJ)lr\CC 10 241), sq in. . Carburettor filter } Remove and clean EVERY 1,000 MILES 20. Petrol pump filter 21. Air silencer (home)-Clea.n in petrol and dry 6. Gearbox 22. Trafflcators-Oil bearing pins 23. Fron, shock absorbers--Cleanand Top up NUT TIGHTENING TORQUE DATA / :::re�1:ld reservoir Top __ i: up 24. Rear shock absorbers-Remove, clean, ana 9. Carburetter dashpot top up Bolt Torque 10. Battery } Size l�/11 ll. Door locks and hinges-UH can EVERY 12,000 MILES 25. Engine sump-Remove and clean pump Cylinder head stud nuts tin 40 EVERY 3,000 MILES inta.kc str;iiner Main bearing stud nuts ... ,',-11\' 85 12. Engine sump-Drain and refill 26. Steering box-Oil gun 10 strokes Connecting rod big end IHJlts fin 33 13. Air clean r (export)-Clcan and t·cfilloil bath Flywheel bolts ...... ,tin 50 e Note: Replace external oil filter every 0,000 miles Crown wheel retaining nuts 45

GENERAL DATA DRAINING Wheelbase ... 7ft 2in Track: front. .. 411 2fin POINTS rear ... 411 2,,..in Left: Radiator drain tap Turning circle: R.H. 33ft lin on near side of bottom L.H. 3nt 11in Ground clearance 6}in tank. Right: Cylinder Tyre size: front 5.00-14in block drain tap on near rear 5.00-14in side at rear below mani­ Overall length 1211 41n System is pres­ Overall width 5ft 1in folds. Overall heieht 5ft Oin Si!rized, remove cap slowly. Weight (dry) sin, 4-door 16cwt ., RECOMMENDED LUBRICANTS

Duckham•s Wakefield Anglo Vacuum Shell B.P. Filtrate Sternol American Energol I Above 32 °F NOL30 Castro! XL Essolube 30 Mobiloil A X·lO0 30 Energol ilfeclium WW30 I tiAE 30 Filtrate 30 Engine, ° ° Oil bath 32 -0 F ... NOL20 Castrolite Essoluba 20 Mobiioil X-100 Energol Zero WW20 air Artie 20/20\V SAE 20 Filtrate 20 cleaner ------Below 0°F ... NOLl0 Oastrol z Essolubc 10 )Iobiloil X-100 lOW 1:;nergol Sub Zero WW 10 lOW SAE JO J!'iltrntc JO Gearbox, Above 10°F . Hypoid 00 Castro! Esso Expee Mobilube Spirax Ener�ol EP Hypoid Amtnolcum Rear Uypoy Compound 90 GX90 EP90 SAE 90 Flltrate 90 EP 90 axle, Steering 13olow 10 °F ... Hypoid, 80 Castro! Esso Expee ilfobilube Spirax Energol EP Hn><'li,c LB. 10 G rense Grease- � Chassis '1ipples, Dyna- KG16 Grease Castrolease Esso Pressure 111ob!lgrease Retinax A Encrgrcase Super Lithium Ambroline mo, Cables, Control or Medium Gun Grease No. 2 or 4 Cl J<'iltrat,• LH1' Grease Joints ...... I B. 10 Grease Gtl�as:c Brake Fluid ...... Lockheed Orange. ...

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