Lotus 1972 EUROPA, Workshop Manual

Page 1: ...d 2 5 2009 6 53 AM at http www lotus europa com LOTUS EUROPA Workshop Manual LOTUS CARS LIMITED Norwich Norfolk Nor 92W England Telephone Wymohdham 3411 Cables Lotus NORWICH Telex 97401 Part No A046T0327Z August 1972 ...

Page 2: ... one of continuous product improvement and the right is reserved to alter specifications at any time without prior notice Whilst reasonable efforts have been made to ensure that at the time of publishing this manual is correct the descriptions and illustrations appearing are not binding ...

Page 3: ... Section Updated 2 5 2009 6 53 AM at http www lotus europa com 2 ...

Page 4: ...chnical Data Page 9 Chassis A Body B Front Suspension C Rear Suspension D Engine E Transmission F Hubs Wheels and Tyres G Steering H Brakes J Cooling System K Fuel System L Electrical Equipment M Lubrication and Maintenance O Heating and Ventilation P Clutch Q Exhaust System S ...

Page 5: ...us Dealers Should existing instructions be affected or additional information be needed new pages to this manual will be issued to Lotus Dealers when convenient To ensure the manual is kept up to date write the Bulletin number the section and page number it affects and the subject matter in the space provided on page 8 Technical Data Comprehensive information regarding dimensions tolerances weight...

Page 6: ...Description Number of Pages TECHNICAL DATA 20 A CHASSIS 9 B BODY 40 C FRONT SUSPENSION 18 D REAR SUSPENS ION 13 E ENGINE 63 F TRANSMISSION 45 G WHEELS HUBS AND TYRES 9 H STEERING 13 J BRAKI NG SYSTEM 22 K COOLING SYSTEM 10 L FUEL SYSTEM 34 M ELECTRICAL EQUIPMENT 56 O LUBRICATIONS AND MAINTENANCE 13 P HEATING AND VENTILATION 5 Q CLUTCH 10 S EXHAUST SYSTEM 4 ...

Page 7: ...o date Lotus Dealers are asked when they receive them to record in the columns below the bulletin numbers with their subjects and the section and page number affected If reference is then made to these columns before turning to the appropriate section it will be seen immediately if any amendment subsequent to the publishing of the manual is applicable ...

Page 8: ...batch 0001 Denotes the chassis number P Denotes the model As there are at present 16 different model types the following codes will be used for model identification Elan STD Coupe G Britain N Ireland A Elan STD Coupe Export B Elan STD Convertible G Britain N Ireland C Elan STD Convertible Export D Elan S E Coupe G Britain N Ireland E Elan S E Coupe Export F Elan S E Convertible G Britain N Ireland...

Page 9: ...System Pump 12 Air Cleaner 12 Carburetters 12 Ignition System Ignition Timing 13 Sparking Plugs 13 Distributor 13 Cooling System 13 Clutch 14 Transmission Bearings 14 Adjustment 14 Ratios 14 Speedometer Gears 14 Overall Ratios 14 Front Suspension 15 Steering 15 Rear Suspension 15 Brakes 15 Wheels Tyres 16 Electrical Equipment Battery 16 Fuses 16 Alternator 16 Starter 16 Lamp Bulbs 17 Additional In...

Page 10: ...lter 7 pints 4 litres 9 U S pints Transmission 3 pints 1 75 litres 3 6 U S pints Coolant with heater 18 pints 10 3 litres 21 6 U S pints Fuel 6 gallons 27 litres 7 2 U S gallons ENGINE General Number of cylinders 4 Capacity Non Exhaust Emission 89 7 cu in 1470 cc Exhaust Emission 95 5 cu in 1565 cc Stroke Non Exhaust Emission 3 189 in 81 mm Exhaust Emission 3 307 in 84 mm Bore Non Exhaust Emission...

Page 11: ...025 045 mm Exhaust 0016 0024 in 040 060 mm Clearance cold Inlet 008 in 20 mm Exhaust 010 in 25 mm Valve springs Type Helical double Free length Inner 1 492 in 37 89 mm Outer 1 929 in 49 mm Valve guides Length Inlet 1 968 in 50 mm Exhaust 1 968 in 50 mm Fitted height above head 472 in 12 mm Camshaft Number and type of bearings 4 white metal Journal diameter 1 653 in 42 mm Bearing running clearance ...

Page 12: ...ngs Type Aluminium Lead thin wall Running clearance 0007 0028 in 017 058 mm 1 Side clearance 012 022 in 310 572 mm Gudgeon Piston Pin Location Force fit in connecting rod Diameter 787 in 20 ram Class of fit In piston 0001 0003 in 003 009 mm In connecting rod 0007 0015 in 020 041 mm Piston Type Solid skirt Material Aluminium No of rings Compression 2 Oil control 1 Piston clearance in cylinder liner...

Page 13: ...al Carburetter Non Exhaust Emission Type Solex 35 DIDSA 2 twin choke Slow running speed 900 1 000 r p m Primary Secondary Choke 26 26 Main jet 145 140 Air correction jet 135 150 Accelerator pump jet 40 Nil Power jet Nil 80 270 Inner venturi 28 32 Carburetter Exhaust Emission Type Solex 26 32 DIDSA 5 twin choke Slow running speed 1 000 50 r p m Primary Secondary Choke 23 5 27 Main jet 120 142 5 Air...

Page 14: ...ckwise Contact breaker gap 016 019 in 40 50 mm Cam dwell angle 61 3 Firing angles 0 90 180 270 1 Centrifugal advance Non Exhaust Emission Distributor Distributor r p m degrees B T D C Below 550 No advance 920 7 8 1 000 8 0 2 000 13 0 3 000 18 0 Vacuum advance Non Exhaust Emission Distributor Vacuum degrees B T D C Hg inches 1 5 3 937 4 6 7 874 6 5 11 811 7 0 15 748 COOLI NG SYSTEM Type Centrifugal...

Page 15: ...er Taper rollers Bearings adjustment See Section F Transmission Gear ratios Top 1 03 1 3rd 1 48 1 2nd 2 25 1 1st 3 61 1 Reverse 3 08 1 Final drive Type Hypoid gear J Bearings Pinion Taper rollers Diff crown wheel assy Taper rollers Bearings adjustment Pinion bearing pre load See Section F Transmission Crown wheel pinion backlash 005 010 in 127 254 mm Number of teeth Crown wheel 32 Pinion 9 Final d...

Page 16: ...mm Condition for checking toe in 6t in 16 5 cm ground clearance at bottom of chassis closing plate REAR SUSPENSION Type Independent Spring Number of coils 19 Wire diameter 329 in 8 35 mm Length Free 16 2 in 41 15 cm Fitted 10 4 in 26 42 cm Rate 72 lbs in 83 kg m Wheel camber 0 to 2 Negative Toe in 3 16 in 4 76 mm to Zero BRAKES Make and type Girling hydraulic servo optional Front brakes Disc diame...

Page 17: ... Section Updated 2 5 2009 6 53 AM at http www lotus europa com 16 ...

Page 18: ... kph Front 18 lbs in sq 24 lbs in sq 1 27 kg cm sq 1 69 kg cm sq Rear 28 lbs in sq 34 lbs in sq 1 97 kg cm sq 2 39 kg cm sq ELECTRICAL EQUIPMENT Battery Type Exide 6 VTA 29 L Capacity 20 hr rating 39 amp hr Voltage and polarity 12 volt negative earth Fuses Quantity and rating 2 35 amp Alternator Type Sev Motorola A 1230 Nominal system voltage 12 Charging voltage 13 2 Maximum output hot 30 amps 3 0...

Page 19: ...erse lamp Up to 46 0541 382 21W From 46 0542 273 21W festoon Interior lamp 254 6W festoon Panel instrument lamps 987 2 4W Warning lamps 987 2 4W ADDITIONAL INFORMATION Distributor Centrifugal Advance Exhaust Emission Distributor Distributor r p m degrees B T D C Below 550 No advance 800 2 5 1 000 10 5 1 250 11 5 1 500 13 0 1 750 14 5 2 000 15 5 2 250 16 5 2 400 17 0 Maximum advance Distributor Vac...

Page 20: ... crown wheel 10 mm bolts 45 6 22 11mm bolts 65 80 8 98 11 06 Differential bearing adjusting nuts 15 2 07 Pinion bearing nut 85 11 75 Speedometer drive worm 75 85 10 36 11 75 Reverse selector pivot 20 2 75 Side cover plates 15 2 07 FRONT SUSPENSION AND STEERING Stub axle retaining nut 65 75 8 98 10 36 Ball joint To vertical link 38 42 5 25 5 80 To upper wishbone 12 15 1 65 2 07 Lower wishbone To tr...

Page 21: ...9 96 7 16 in UNF male 7 10 5 96 1 45 3 8 in bore servo bundy 5 8 in UNF male 14 21 1 93 2 90 Stop lamp switch 12 15 1 65 2 07 Brake hose to banjo 12 15 1 65 2 07 7 16in UNF female bundy to reservoir 12 14 1 65 1 93 Torque Wrenches Torque wrenches in daily use should be checked at intervals not exceeding 3 months to ensure that accuracy is maintained GENERAL NUTS AND BOLTS 1 4 in UNF and UNC 5 7 69...