Rover 51 Operations Instructions

LANDROVEROPERATION MANUAL

APRIL 1950 5GENERAL DATA AND DIMENSIONSENGINE. Four cylinders cast en bloc with detachable cylinder head.Flexibly mounted on rubber at four points. Th

APRIL 1950 95The seat cushions can also be removed, if desired, being held solely bytapes to the seat frame.WINDSCREEN VENTILATOR. In warm weather, ex

APRIL 1950 96over the inner edge of the wheel. To ensure even weight distribution, fourrubber support blocks are supplied which should be bolted to th

APRIL 1950 97No maintenance attention is required at this point as lubrication is providedby the oil in the transfer casing.An engine governor must be

APRIL 1950 98CENTRE POWIER TAKE-OFF PULLIEY R.P.M.MAIN GEAR CHANGE LEVER INGovernorpositionEngineR.P.M.First Second Third Top1 1500 500 735 1090 15002

APRIL 1950 99ratio as high as possible. The vehicle speeds in all combinations of gearsand governor positions are given in the chart on Page 101.REAR

APRIL 1950 100Lubrication nipples are provided at the sliding joint and both universaljoints on the propeller shaft; they should be lubricated at inte

APRIL 1950 101REAR POWER TAKF-OFFShaft Speeds (R.P.M.) and Vehicle Speeds (M.P.H.) with 4.7-1 Axle Ratioand 6.00-16 Tyres.MAIN GEARCHANCE LEVER IN:FIR

APRIL 1950 102With the gears interchanged, the take-off output shaft R.P.M. at any givenengine speed are increased by 36/25 over the R.P.M. shown in t

APRIL 1950 103REAR PULLEY DRIVE. The 8in. (200 mm.) rear pulley unit (Fig. 52) isso designed that it may be attached to the rear drive unit in place o

APRIL 1950 104REAR POWER TAKE-OFF PULLEY R.P.M.MAIN GEAR CHANGE LEVER IN:GovernorPositionEngineSpeedFirst Second Third Top1 1500 360 525 785 10702 165

APRIL 1950 6CLUTCH. Single dry plate 9 in. (230 mm.) diameter.MAIN GEARBOX. Single helical constant-mesh gears, with synchromeshon top and third speed

APRIL 1950 105Two spare pins are supplied with the winch; the correct part must always beused for replacement purposes, as the transmission would be l

APRIL 1950 106Fig. 53. Engine governor.A –Governor.B – Mounting bracket.C – Adjustment slots.D – Linkage to quadrant controlE – Linkage to throttle.F

APRIL 1950 107LAND-ROVER TRAILER.A two-wheeled Brockhouse trailer has been specially designed for use withthe Land-Rover; its normal capacity is 1680

APRIL 1950 108LAND-ROVER MOBILE WELDING PLANT.The Land-Rover when converted into a mobile welding plant, can be fittedwith both gas and electric weldi

APRIL 1950 109LAND-ROVER STATION WAGON.The Station Wagon version of the Land-Rover is illustrated below. It is builton the standard chassis and as far

APRIL 1950 110The passenger's door can be locked by pulling the inner door handlebackwards as far as possible; this can be done before the door i

APRIL 1950 111LAND-ROVER DISTRIBUTORS AND DEALERSBRITISH ISLESDISTRIBUTORS ARE SHOWN IN BLOCK CAPITALS.ABERDEEN Olympia Garage, Kittybrewster.ROSSLEIG

APRIL 1950 112BIRMINGHAM P. Bryant & Sons, Sutton Coldfield.R. H. COLLIER & CO. LTD., COVENTRY ROAD,SOUTH YARDLEY. Tel. No. Acocks Green 1681

APRIL 1950 113BUXTON W. R. Sanders Ltd.CAMBERLEY Herman Soloman & Sons, High street.CAMBORNE Williamsons Motors, Church Street.CAMBRIDGE KING &

APRIL 1950 114DUDLEY Westleys (Dudley Garage) Ltd., Castle Hill.DUMFRIES DUMFRIES MOTOR CO., 85, ENGLISH STREET. Tel.No. 1128/9.DUNDEE ROSSLEIGH LTD.,

APRIL 1950 7ELECTRICAL SYSTEM. Lucas 12-volt starting and lighting set. Battery51 A.H. mounted at right of engine well clear ground.STEERING. Burman w

APRIL 1950 115GRIMSBY D. H. & A. H. BLOOMER, WEST ST. MARY'S GATE.Tel. No. 5488.GUERNSEY LE LACHEURS GARAGE, DOYLE ROAD, ST .PETERPORT. Tel.

APRIL 1950 116KING'S LYNN W. H. JOHNSON & SONS LTD., ST. JAMES STREET.Tel. No. 2281.KINGSTON-ON-THAMIESH. Beart & Co. Ltd., 102, London R

APRIL 1950 117LONDON, W.1 Mann, Egerton & Co. Ltd., 68, York Way.N.W.1 Marylebone Garage Ltd., 6/11, Dorset Close.N.22 Meakers Garage Ltd., Whymar

APRIL 1950 118NEWCASTLE-ON-TYNEROSSLEIGH LTD., OLYMPIA GARAGE, 1,NORTHUMBERLAND ROAD. Tel. No. 62211.NEWMARKET CRISSWELLS GARAGE (1944) LTD., HIGH STR

APRIL 1950 119RHYLTHE GROSVENOR MOTOR CO., 8, BODFOR STREET.Tel. No. 929.ROSS-ON-WYE T. C. Longford Ltd., Ross Motor Works.ROTHERHAM Rotherham Motor C

APRIL 1950 120STRANRAER McHarris (Stranraer) Ltd., County Garage.STRATFORD-ON-AVONF. Guyver & Sons Ltd., Guild Street.SUNDERLAND Binns Ltd., Unio

APRIL 1950 121WORKSOP Central Garage (Worksop) Ltd., Victoria Square.WORTHING W. Wade, 30, Chapel Road.WREXHAM Wrexham Motor & Electrical Eng. Co.

APRIL 1950 122AFRICA – SOUTHWESTTerry's Motors, Ltd., P.O. Box 784, WINDHOEK, South West Africa.Telephone: 005-0025.Cables: Terry's.AFRICA –

APRIL 1950 123BOLIVIAMacDonald & Co., P.O. Box 879, LE PAZ, Bolivia.Telephone: Not to hand.Cables: Not to hand.BRAZILGoodwin Cocozza, Sociedade An

APRIL 1950 124CYPRUSSavvas. J. Demades, P.O., Box No. 4, NICOSIA Cyprus.Telephone. Not to hand.Cables: Samades.CYRENAICAMitchell Cotts & Co. (Midd

APRIL 1950 8Fig. 1. (Three-quarter front view).Fig. 2. (Three-quarter rear view).A-Detachable front bumper. H-Grille clamp.B-3-pin socket. J-Grille br

APRIL 1950 125GUIANA (BRITISH)S. Davson & Co., Ltd., 17 Water Street, GEORGETOWN, BritishGuiana.Telephone: Not to hand.Cables.. Not to hand.HOLLAN

APRIL 1950 126MADIERAMadeira Electra Mecanica, Largo Do Pelourinho 26 A 36, FUNCHAL,Madeira.Telephone: 793.Cables: Mem.MALAYAChampion Motors, Lt d., 3

APRIL 1950 127PARAGUAYThe Agroindustrial Y. Commercial Espinoza, Ltda., S.A., Casilla deCorreos No. 651, ASUNCION, Paraguay.Telephone: Not to hand.Cab

APRIL 1950 128TRANSJORDANMalhas & Halaby Go., Ltd., P.O. Box 177, AMMAN, Transjordan.Telephone. Not to hand.Cables: Said.TRINIDAD C. A. Darmanie &

APRIL 1950 129Fig. 58. Map showing location of our Solihull Works

APRIL 1950 130TECHNICAL SERVICEInstructions are given in this book for items of routine maintenance towhich due attention should be paid if smooth and

APRIL 1950 131

APRIL 1950 9When towing a trailer, connection for the trailer tail and stop lamps are providedby the three-pin-socket (B) fitted in the right-hand sid

APRIL 1950 10The standard tool-kit supplied with each vehicle comprises:Wheel brace *Adjustable spannerLifting jack *Distributor screwdriver and feele

APRIL 1950 11MIXTURE CONTROL. The mixture control is situated on the dash to theright, below the instrument panel. It is marked “COLD START”and its op

APRIL 1950 12IGNITION SWITCH. This takes the form of a barrel lock controlled by asmall yale-type key, situated in the centre of the main lamp switch

APRIL 1950 13PETROL LEVEL GAUGE. The petrol level gauge will always show ZEROwhen the ignition is switched off. It must be stressed that, while the ga

APRIL 1950 14The control for this operation (known as the "FRONT WHEFL DRIVELOCK") takes the form of a knob on the gearbox cover. It is so a

IMPORTANTNOMENCLATUREAs this manual covers both Right and Left-hand Drive models, reference ismade throughout the text to the “left-hand” and “right-h

APRIL 1950 15STARTING PROCEDUREBefore attempting to start the engine, read the special notes which follow.SPECIAL NOTE MIXTURE CONTROL. The mixture co

APRIL 1950 16FALSE START. If the engine makesa false start when operating thestarter button, i.e., fires and does notcontinue to run, but throws the s

APRIL 1950 17Throughout the instructions which follow, approximate speeds are quoted atwhich the various gear-changes should be made. These are given

APRIL 1950 18Repeat these operations for changing from third to top gear speed ofapproximately 20-25 m.p.h. (35-40 k.p.h.).CHANGING DOWN. To change do

APRIL 1950 19Low ratio is used when thevehicle is to be operated onheavy ground and for heavypulling. When low ratio isemployed the sameinstructions f

APRIL 1950 20LUBRICATIONGENERAL INSTRIFCTIONS. One of the, most important factors in theperformance and durability of any vehicle is its lubrication.

APRIL 1950 21quote accurate equivalent time intervals when the vehicle is employed onfield work or as a mobile power plant, owing to. the diversity of

APRIL 1950 22Fig. 4. Upper plan view.A – Rear axle filler.B – Rear axle drain plug.C – Rear axle breather.D – Propellor shaft sleeve lubrication nippl

APRIL 1950 23Fig. 5. Lower plan view.M – Main gearbox dipstick.N – Main gearbox drain plug.P – Pedal lubricating nipples.Q – Engine oil filter.R – Eng

APRIL 1950 24Fig. 6. Engine unit (right hand side).A – Engine oil filler.B – Oil level dipstick.C – Oil drain plug.D – Gauze Suction oil filter.E – By

OPERATION MANUAL-- for the --LAND ROVERRegd. Trade Mark1948-51 MODELSVehicles numbered:R860001 to R863000R8663001 onwardsR06100001 onwards) Standard

APRIL 1950 25Fig. 7. Engine unit (left hand side).N – Transfer box oil level plug.P – Oil pressure warning switch.Q – Ignition control.R – Thermostat

APRIL 1950 26Do not fill beyond the H mark, otherwise you may experience trouble withsooted plugs and the engine may require more frequent decarbonisa

APRIL 1950 27The filter can be detached without removing the sump by unscrewing thelarge brass plug on the right-hand side of the sump (Fig.6).EXTERNA

APRIL 1950 28MAIN GEARB0X LUBRICATION.Under extreme winter conditions, the oil should be changed on receipt ofthe vehicle to the appropriate grade.Eve

APRIL 1950 29Fig. 8 Rear axle.A – Oil filler/level plug. C – Brake bleed nipple.B – Breather. D – Oil drain plug.FRONT AND REAR AXLE LUBRICATION.Unde

APRIL 1950 30Fig. 9. Front axle (front view).Fig. 10. Front axle (rear view).A – Axle filler/level plug.B – Breather.C – Brake bleed nipple.D – Oil

APRIL 1950 31SUMMARY OF POINTS REQUIRING REGULAR ATTENTIONUse only the recommended lubricants listed on the two following pages.These maintenance item

APRIL 1950 32RECOMMENDED LUBRICANTS – IVACUUM WAKEFIELD ESSOComponents and ConditionsAgricultural Car Agricultural Car Agricultural CarClassificationE

APRIL 1950 33RECOMMENDED LUBRICANTS – IIPRICE’S SHELLComponents and ConditionsAgricultural Car Agricultural CarClassificationExtreme Winter (below 10°

APRIL 1950 345. STEERING BOX. Remove the filler plug and top up with oil asrequired (Page 30).6. PROPELLER SHAFTS. Lubricate the nipples on the slid

INDEXAAttachments, towing 91, 96Additives, oil 20Additives, petrol 3Adjustment, brake 53Adjustment, clutch 39Adjustment, distributor 68Adjustment, fan

APRIL 1950 35EVERY 9,000 MILES (15.000 Km.).1. ENGINE. Replace the AC. external oil filter. (Page 27).EVERY 18,000 MILES (30.000 Km.):1. DYNAMO. Lub

APRIL 1950 36ENGINE TIMINGOCTANE SELECTOR.The timing of the ignition is controlled automatically by mechanism in thedistributor. In addition, an octan

APRIL 1950 37VALVE TIMING.If the timing chain and hydraulic tensioner should have been removed, theprocedure to re-time the engine is as follows (See

APRIL 1950 38do the job correctly without a dial indicator, but much time is wasted andthe possibilities of an error very much magnified.(3) Rotate t

APRIL 1950 39set-screw to give the correct clearance by means of a screw- driver. Thelock-nut should be securely tightened after adjustment, great car

APRIL 1950 40Fig. 14. Clutch adjustmentA – Clutch adjustment nutB – Clutch pedal shaftC – Brake master cylinderD – Brake pedal shaftE – Stop-light ac

APRIL 1950 41Fig. 15. Radiator filler capA – Pressure relief valve (steam escape → → →)B – Depression relief valvedamage. A vacuum valve is also fitt

APRIL 1950 42joint ring. Its purpose is to provide rapid warming-up by causing the coolantto circulate only round the engine until a predetermined tem

APRIL 1950 43SERVICE ATTENTION.It is a good plan to always inspect the cooling system at the same time asthe engine oil level is checked, i.e., daily

APRIL 1950 44The anti-freezing mixture should be well mixed to the required strength in aseparate container and added after thoroughly flushing out th

Location of faults 77-83Location of Solihull factory 129Lock, front wheel drive 13Locking Inside front coverLubricants, recommended 32-33Lubrication 2

APRIL 1950 45The filler is readily accessible by lifting the lid in the top of the seat-box onthe right-hand side(Fig 4). Except on afew early vehicle

APRIL 1950 46Fig. 16. Sediment bowlA – ThumbscrewB – Glass bowlC – Joint washerD – Filter gauze (fuel outlet)E – Fuel inletF – Shut-off tapA screw-do

APRIL 1950 47or more possibly to the carburettor float needle sticking up. If the pump willnot function proceed as follows:-(i) Check that the pump f

APRIL 1950 48Fig. 17. Fuel pump.A – Gauze filterB – Filter plugC – Earthing terminalD – Feed terminalE – Bakelite coverF – Contact pointsG – Diaphrag

APRIL 1950 49AIR CLEANER.A small centrifugal pre-cleaner separates the coarser particles of foreignmatter before the air passes into the top of the ma

APRIL 1950 50The oil bowl forming the bottom of the cleaner is secured to the body bymeans of three further (small) clips; when replacing the bowl, al

APRIL 1950 51Fig. 19. CarburettorA – Slow-running screwD – Main jetG – Pilot jetGp – Pump jetGu – Economy jetGs – Starter jetL – Accelerator pump ope

APRIL 1950 52(ii) Pilot jet (g) has a screwdriver slot in the hexagon head.(iii) Accelerator pump jet (Gp) is located between the main and pilotjets

APRIL 1950 53STEERING COLUMN ADJUSTMENT.The only adjustment provided is to the top journal bearing. This consists ofa cup secured by a lock-ring in th

APRIL 1950 54Jack up each wheel in turn. On the back face of the brake anchor plate, willbe found a hexagon adjustment bolt (A), which operates a snai

APRIL 1950 1INTRODUCTIONIn the design of the Land-Rover every effort has been made to simplify asfar as possible the amount of attention which the own

APRIL 1950 55early vehicles). The fluid level should be inspected weekly and topped-upas necessary until the reservoir is three-quarters full. Use onl

APRIL 1950 56WHEELS AND TYRESYour Land-Rover is equipped with Dunlop tyres.Dunlop 6.00-16 Trakgrip T28 pattern tyres are fitted as standard equipmenta

APRIL 1950 57TYRE PRESSURES.If maximum tyre life and performance are to he obtained then carefulattention must he given to the question of correct tyr

APRIL 1950 58time, the spare wheel should be fitted to give it a spell of duty and one ofthe other wheels removed to become the spare. TYRE EXAMINATIO

APRIL 1950 595. CLIMATIC CONDITIONS. In the British Isles, the rate of tread wearon the warm, dry roads in summer can be twice as fast as on the cold

APRIL 1950 603. Insert a lever at the valve position, andwhile pulling on this lever, press the head intothe well of the rim diametrically opposite t

APRIL 1950 614. Inflate the inner tube until it is justrounded out, dust with French chalk andinsert it in the cover with the valve throughthe hole i

APRIL 1950 62REMOVAL1. Remove the valve cap and core todeflate the tyre and place them clear of dirtor grit.2. Press each bead in turn away from the

APRIL 1950 635. Fit the other half of the wheel and tightenthe clamping nuts lightly. Finally tighten thenuts in the sequence illustrated. Check that

APRIL 1950 64ELECTRICAL EQUIIPMENTBATTERY. The battery is carried under the bonnet on the right of the engine.The electrolyte level should be checked

APRIL 1950 2SPECIAL NOTESGUARANTEE.In order to obtain the Certificate of Guarantee operative with your vehicle,it is essential that you should, with t

APRIL 1950 65Occasionally check the condition of the battery by taking hydrometerreadings of the specific gravity of the electrolyte in each of the ce

APRIL 1950 66and the battery should be sent to a Lucas Service Depot or Agent foroverhaul.NOTE:- If the vehicle is to be left in the open in very cold

APRIL 1950 67A discharge reading may be given immediately after switching on theheadlamps. This usually happens after a long run, when the voltage of

APRIL 1950 68STARTER.When starting, observe the following points:-1. See that the controls are properly set. (See Page 15).2. Operate the starter sw

APRIL 1950 69Fig. 30. Contact BreakerA – CondenserB – Octane selectorC – CamD – Contact breaker pivotE – Diaphragm housingF – ContactsG – LubricatorH

APRIL 1950 70with a fine carborundum stone or with very fine emery cloth. Afterwardswipe away any trace of dirt or metal dust with a petrol-moistened

APRIL 1950 71Fig. 33. Connecting H.T. cable to distributorA – Carbon brush B – Screws securing cableTo connect cables to the distributor, unscrew the

APRIL 1950 72HEADLAMPS.(Vehicles numbered prior to 06112001).The setting of the headlamp should be checked by placing the vehicle infront of a blank w

APRIL 1950 73HEADLAMPS. (Vehicles numbered 06112001 onwards). To remove thelight unit for bulb replacement, first slacken the securing screw and lift

APRIL 1950 74When refitting, the front and reflector, locate the tongue on the lamp in theslot in the scuttle and turn the lamp in an anti-clockwise d

APRIL 1950 3It may well be that you desire to use the Land-Rover for other purposesbesides road-work, even when it is new; it may he required for driv

APRIL 1950 75To stop the unit, move the switch downwards to the off position, pull outthe handle and turn the end into the top of the switch control.N

APRIL 1950 76OIL PRESSURE WARNING LIGHT.The oil pressure warning light on the instrument panel glows when, for anyreason, the engine oil pressure drop

APRIL 1950 77IN CASE OF TROUBLELOCATION AND REMEDY OF FAULTSAlthough every precaution is taken to eliminate all possible causes oftrouble, failure may

APRIL 1950 785. Remove the cable from each sparking plug terminal in turn and hold itso that the end is about ¼ in. (7 mm.) away from some metal part

APRIL 1950 797. Check that the manifold drain pipe (below the carburettor) is notblocked, by depressing the accelerator pedal fully two or three time

APRIL 1950 80ENGINE MISFIRESEngine running on less than four cylinders, either intermittently orcontinually.1. Stop the engine and endeavour to re-st

APRIL 1950 813. If the “missing” is accompanied by “spitting back” through thecarburettor, a valve may be sticking. This can often be cured by slowly

APRIL 1950 822. Battery Overcharged.This will be indicated by burnt-out bulbs, very frequent need fortopping-up of battery and high hydrometer readin

APRIL 1950 833. Starter Pinion Will Not Disengage from Flywheel When Engine isRunning.Stop the engine, and see if the starter pinion is jammed in mes

APRIL 1950 84STANDARD BODY FITTINGS.SEATS. Each front seat cushion is fitted with two rubber plugs which locatein holes in the seat-box, thus making i

APRIL 1950 4FUSE.The single fuse fitted in the electricalsystem protects the horn, windscreenwiper, petrol tank gauge unit and rear stoplights. It is

APRIL 1950 85Fig. 36. Sidescreen fittingHOODS. Two types of hood are available for the Land-Rover, known as the“driver's” pattern (Fig. 43) whic

APRIL 1950 86Fig. 37. Full-length hood fitted.Fig. 38. Full-length hood.A – Front hood stickB – Rear hood stickC – SocketsD – Front hood staysE – Re

APRIL 1950 87Fig. 39. Hood sticksFig. 40. Front hood straps.J – Rear hood strapsK – Side rope hooks.L – Side ropes.M – Side rope retainers.N – Rear

APRIL 1950 88Fig. 41. Full-length hood (rear curtain lowered).Fig. 42. Full-length hood (rear curtain raised).

APRIL 1950 89Place the hood over the hood-sticks and engage the front hood eyes (G)with the retainers on the outside of the top windscreen rail. Loop

APRIL 1950 90Fig. 43. Driver’s hood.Place the hood over the hood-stick and straps and engage the eyes at thefront with the hooks on the outside of th

APRIL 1950 91TOWING ATTACHMENTS. Two forms of towing attachment are suppliedas standard equipment for the Land-Rover-a towing plate and a pintle pin.T

APRIL 1950 92box. The three pins in the socket are numbered and the connections are asfollows:-No. Position Cable colour1 Top Black Earth to stop, tai

APRIL 1950 93EXTRA EQUIPMENT.TRAFFICATORS. Provision is made for trafficators which can either befitted to order on a new vehicle or supplied later as

APRIL 1950 94Fig. 47. Vehicle heater.REAR SEATS. (EXPORT ONLY). Seats to fit over the rear wheel archescan be supplied as extra equipment if required