Saab 99 1982 Скачать руководство пользователя

Страница: 145 / 148

Содержание 99 1982

Страница 1: ......

Страница 2: ...cylinder bore 214 Valve mechanism 215 Transmission 216 Crank mechanism 220 Lubricating system 221 Oil pump 222 Oil filter 231 Carburetor see separate table of contents 232 Inlet system Air induction...

Страница 3: ...0...

Страница 4: ...500 r p m Compression ratio 9 5 1 Cylinder bore 3 543 in 90 0 mm Stroke 3 071 in 78 0 mm Cylinder volume 121 0 cu in 1985 cm Firing order 1 3 4 2 Engine idlinq speed warm engine and headlamps on low...

Страница 5: ...0 p 3 p 3 3 3 0...

Страница 6: ...nder volume in dl Mo del C Single carburetor T Twin carburetor I Fuel injection Turbo Transmission type M Manual A Automatic Exhaust emission control level USA SW Sweden EU Europe Equipment variants Y...

Страница 7: ...ower edge of piston Standard A not spare part Standard AB Standard B not spare part Standard C 1st oversize 0 5 mm 2nd oversize 1 0 Piston clearance Withdrawal of piston Piston orientation Pin diamete...

Страница 8: ...el 56 000 56 019 mm 24 005 24 010 mm 0 2 oz 6 g F orged steel Tenni fer coa ted HV 800 approx 5 Standard 1st undersize 2nd undersize 3rd undersize 4th undersize Main journal diameter Standard 1st unde...

Страница 9: ...iameter Inlet Exhaust 7 960 7 975 mm 7 955 7 980 mm 0 5 mm Measured on valve head raised 3 mm above seating 42 0 mm 34 5 mm Valve guides Length Outer diameter Bore for valve guides in cylinder head di...

Страница 10: ...volume mci filter Oil pump pressure reducing valve opens at Oil pressure warning light comes on at Oil pressure at 2 000 r min oil SAE 10 W 40 at 1767 C F 80 C Forced flow circulating oil system Gear...

Страница 11: ...s on 850 50 r min CO Content Sweden Engine running at 2 000 r min hoses to the vacuum control unit and crankcase ventilation disconnected engine at normal running temperature just after cut in of fan...

Страница 12: ...with Sweden spec Checking Retardation time from 3 000 u mm tu idling speed should be Between 3 and 6 seconds Setting Idling speed when the dashpot rod strikes the throttle lever stop vacuum hose disc...

Страница 13: ...e graphs single carburetor engines Dimension Nm M 12 M 10 MO M 6 M 16 Toi q u B kpm lbft 108 54 18 4 9 190 11 5 5 1 8 0 5 19 MB 20 79 40 13 3 6 137 2 0 14 60 90 M 12 Dimension M 10 MB M 14 x 1 25 M8 M...

Страница 14: ...D CD 0 0 T 1020 30 E I E F JJ EIEftE EE E E E o E E f z z J c tz tHH f Z 1 EEEEE EEEEE E I b I I t t I I f N i 0 0 0 80 3 q r 0 10 BIRANSLEF ORBRUKNIN G FUEL 250 C r 3 h 15 CONSUMPT ION C U U 20 Bk kg...

Страница 15: ...Engine oil Engine oil SAE 10 W 30 10 W 40 alt 5 W 30 or 5 W 30 to service SF in the APi system or to Ford specification ESL M2C JOIC 2 Carburetor damper Automatic transmission oil 3 Throttle controls...

Страница 16: ...60 885 Floor stand for stationary installation 83 92 169 A2 78 60 802 A2 Holder for engine floor stand Oil pan for floor stand I 78 61 479 A2 Movable stand alternative for 78 60 794 83 92 409 A2 Lift...

Страница 17: ...3 93 349 Al Sleeve installation of seal on transmission side 83 92 540 Al Installing tool crankshaft seal flywheel end 83 92 987 Al Locking segment for locking of crankshaft 83 91 997 A3 Drift flywhee...

Страница 18: ...A2 Installing and removing tool valves 83 92 631 A2 Valve guide tool for removal and installa tion in a press 83 91 401 A3 Magnetic tool removal of valve depressors 83 92 326 A3 Air nipple spark plug...

Страница 19: ...89 A2 Drift installation of fuel jet carburetor 78 40 622 Al Dial indicator Tool chain tensioner 83 93 175 Al S Si C 83 92 185 Al Spanner crankshaft bolt turning the crankshaft to adjust valves 83 93...

Страница 20: ...C F 3 a D 0 CD Z D _ D CD CD j Th CD...

Страница 21: ...ci...

Страница 22: ...the right and the cylinder head is of the cross flow type i e with the inlet ports on one side and the exhaust ports on the other The engine is mounted with the clutch towards the front of the car an...

Страница 23: ...Engine side section c 7 r 7 0 Engine end section 200 2...

Страница 24: ...cams It is chain driven by the crankshaft The valves are directly actuated by the cams via valve depressors and pallets The camshaft drives the distil butor 1 he drive is transmitted by a slot in the...

Страница 25: ......

Страница 26: ...heat shield C The crankcase ventilation air intake and air preheater hoses D The radiator hoses disconnect at the thermostat housing and ex pansion tank F The ignition coil leads F The headlight wiper...

Страница 27: ...C r 3 On 0 D r 00 DO 0 0 ci CD CD L CD CD 0 I...

Страница 28: ...ckle assembly and support the end piece against the control arm outer end 7 PUt the gear lever in neutral Remove the nut and tap out the taper pin in the gear shift rod joint Separate the joint from t...

Страница 29: ...from the engine mountings 11 Attach lifting gear to the two lugs on the engine and slightly raise the unit Move the power unit to one side and free the two universal joints Lift the power unit out uf...

Страница 30: ...ine to the right guide in the left hand universal joint and then move the engine to the left c Lower the engine carefully guiding it into the mountings and at the same time aligning the right urn vers...

Страница 31: ...in the illustration on page 20i 2 10 Replace the hood and connect the windshield washer hose 11 Fill up with coolant and bleed the cooling system by means of the bleeder nipple on the thermostat ho us...

Страница 32: ...29 or tool 83 93 175 6 Remove the three socket screws for the slave cylinder 7 Undo all bolts in the mating flanges of engine and transmission 8 Lift the engine carefully off the trans mission see ill...

Страница 33: ...ck that the two guide sleeves are fitted in the transmission Fit a new gasket on the transmission flange Apply sealing compound to both sides of the gasket as indicated by the arrows in the illustrati...

Страница 34: ...0 rn D D CD CD D C C CD C CD C N 0 0...

Страница 35: ...e the engine mountings and the oil filter and mount the engine in a work stand Holder 83 92 169 4 MB x 30 mm bolts 1 MB x 40 mm bolts 2 Remove the inlet and exhaust mani folds 3 Remove the oil pump fi...

Страница 36: ...he flywheel should line up with the line on the rear engine plate The mark on the rotor should line up with the slot in the distributor I u US 10 q 5 Remove the valve cover 6 Remove the sprocket from...

Страница 37: ...der head bolts 10 2 in the end plate and lift off the cylinder head Remove the cylinder head qasket 8 Remove the crankshaft pulley and oil pump 9 Remove the pulley and the water pump 10 Remove the tim...

Страница 38: ...t 12 Remove the chain tensioner as s m b ly 13 Remove the oil filter adapter casting 14 Remove the pistons rods as follows ierT ve any dirt or from the cylinders I J 1 i arid connecting carbon deposit...

Страница 39: ...e cylinders 15 Rotate the engine block so that the flywheel end is uppermost and remove the flywheel 16 Remove the rear engine plate Remove the engine holder bolt Note the marks on the pistons and con...

Страница 40: ...s 18 Lift out the crankshaft Keep the hea ring shells and the thrust washers so that they can be replaced in their original positions Clean and inspect all parts Remove all traces of old sealing compo...

Страница 41: ...To assemble 1 Place the shells in the top half of the bearings and coat them with engine oil 2 Carefully place the crankshaft in posi I ion 3 Install the thrust washers and check the end float 210 8...

Страница 42: ...4 Oil the bearing shells in the main bearing caps and retit Note the mar kings I r ightening torque Main bearings 108 Nm 11 kgm 79 lb ft 210 9...

Страница 43: ...er bolt Apply sealing compound to the ma ting surfaces on the engine block and fit a new gasket Trim off excess gasket material from the mating surface with the transmission casing Place the guide rin...

Страница 44: ...dgeon pin holes Rotate the oil scraper ring so that the gaps do not line up Put the bearing shells in place in the connecting rod and cap Place protective sleeves on the big enci studs to protect them...

Страница 45: ...nd of the engine The marks on the connecting rods should face the cap Fit the piston with the aid of tool 78 62 287 Refit the big end bearing caps The identification number the top of the piston shoul...

Страница 46: ...re the cylinder head for refitting by rotating the camshaft to the firing position for No I cylinder i e the mark on the camshaft sprocket should line up with the arrow on the bearinr ap Camshaft spro...

Страница 47: ...arily sus pend the chain and the camshaft sprocket between the chain guide and tensioner Apply sealing compound and place the gasket the flange 12 Refit the timing cover Pull up the chain when the cov...

Страница 48: ...ect torque in two stages For tightening order see the illustration Tightening torques Cylinder head bij Stage 1 69 Nm 6 0 kgm 43 lb ft Stage 11 90 Nrii 9 0 kgin 65 lb ft Caution A fully open valve can...

Страница 49: ...wards so disenga geing the tensioner from the chain Refit the sprocket on the camshaft Rotate the sprocket until the marks on it line up with those on the bearing cap NOTE The crankshaft should be in...

Страница 50: ...o that the mark is visible I it a new sealing ring in the groove in the pump body Oil the pump wheels and push out the pump wheel a bit to make in stallation easier Fill the oilwa between the oil pump...

Страница 51: ...21 Fit the rubber sealing ring in the valve cover groove Refit the valve cover Line up the distributor rotor arm with the slot in the distributor housing so that the distributor driving dog locates i...

Страница 52: ...manifold 18 Nm 1 8 kgm 13 lb ft I I I 23 Refit the exhaust manifold and heat shield 24 Suspend the engine by the lifting yoke and fit the engine mountings and a new oil filter aiitinn B20 engine gaske...

Страница 53: ...C...

Страница 54: ...on the radiator and the drain plug in the engine block 3 Disconnect the upper radiator hose 4 Disconnect the crankcase ventilation hoses from the valve cover 5 Disconnect the wiring from the distri b...

Страница 55: ...n No I or No 4 cylinder is at TDC 9 Detach the stay between the right engine mounting and the cylinder head 10 Detach the exhaust manifold from the cylinder head supporting it in a suitable manner Det...

Страница 56: ...Do not use emery cloth Check that the mating surfaces are flat To refit 1 Place a new cylinder head gasket on the engine block I 2 a Rotate the crankshaft position to the 0 b Temporarily refit the spr...

Страница 57: ...d be performed once the engine has been run until warm and then allowed to cool for 30 mm approx See retightening the cylinder head bolts Refit the two bolts cover in the timing 5 Refit the timing cha...

Страница 58: ...ove running round the valve cover and refit the cover If the distributor is mounted the ro tor arm should be positioned to face the slot in the edge of the distributor housing I Tightening torque valv...

Страница 59: ...ventilation hoses 15 Reconnect the battery 16 Start the engine preparaory to re tightening the head as dctaliled below Reti jhtening the cylinder head bolts General The cylinder bolts should be retigh...

Страница 60: ...2 Tighten each bolt a further 90 1 4 turn in the same sequence I Stage I Tightening torque 90 Nm 9 kgm 65 lb ft Stage II Further tightening by a 90 1 4 turn 211 7...

Страница 61: ...0...

Страница 62: ...end bearinc Engine mounted in workstand cylinder head removed To remove 1 Remove any crusts and deposits of carbon from the top ends of the cylin icr s 2 Remove the iq end bearing caps I Pistons conn...

Страница 63: ...e of 8 12 N 1 8 2 6 lb 0 8 1 2 kg the mean value of the clearance equals the thickness of the feeler gauge Repeat the test with the piston at several different depths Spare pistons are stocked in both...

Страница 64: ...above one of the gudgeon pin holes Iviake sure that the gaps in the oil scraper ring are equally spaced out round the piston and not in line with one another Piston and connecting rod with bearings a...

Страница 65: ...he protec tive sleeves to the connecting rod studs 2 Oil the piston rings and bearings 3 Refit the pistons using piston ring compressor 78 62 287 Ensure that the piston crown markings are pointing tow...

Страница 66: ...ing shells the connecting rod and big end bearing cop identifying numbers should line up The big end bearing nuts should be fitted with the flanges towards the connecting rods Tightening torque Big en...

Страница 67: ...c S C...

Страница 68: ...ear b Rotate one of the front wheels until the 0 on the flywheel coincides with the line in the flywheel cover 2 Disconnect the crankcase ventilation hose 3 Disconnect the HT leads from the spark plug...

Страница 69: ...ightening torque Valve cover 4 9 Nm O kgm 3 6 lb ft ii 8 5 a I 0 Valve mechanism 1 Valve 2 Valve spring seat 3 Valve spring 4 Retainer 5 Collet 6 Adjusting pallet 7 Valve depressor 8 Camshaft 4 Refit...

Страница 70: ...amshaft 5 Usc the magnetic tool to extract the valve depressors and store them in the correct sequence 4 Remove the adjusting pellets Store them carefully in sequence 5 Remove sembly the carnshaft bea...

Страница 71: ...valve spring seat 8 Withdraw the valve To refit 1 Oil the valve stems and refit the valves 2 Refit the valve spring seats 3 Refit the valve springs and the valve spring retainers 4 Compress the valve...

Страница 72: ...Line up the marks Tightening torque Camshaft bearing caps 18 Nm 1 8 kgm 13 lb ft Valve guides To check for wear Pull up the valve 0 12 in 3 mm from its seat and check the radial play by rocking the v...

Страница 73: ...Flush the cylinder head with hot water Insert the guide using a press and valve guide tool 83 92 631 Insert the centering drift from the underside of the head and press in the guide from above using t...

Страница 74: ...lies in the middele of the ground surface of the valve head Reduce from the bottom by 0 means of a 75 cutter and from the top using an 110 12 cutter Engineers marking can be used to check the finishe...

Страница 75: ...ximum and minimum tolerances The tolerance limits for purposes of valve clearance checking are Inlet valves Exhaust valves 0 15 0 30 mm 0 006 0 012 in 0 35 0 50 mm 0 014 0 020 in 1 Rotate the cranksha...

Страница 76: ...alve clearances are made by fitting adjusting pallets of different thicknesses Measurement and adjustment are performed as follows 1 Position the cam lobe opposite the valve depressor 2 Assemble measu...

Страница 77: ...allet thickness required 0 097 2 44 mm Select an adjusting pallet 0 096 in 2 43 mm thick 7 Fit the new adjusting pallet and refit the valve depressor and the camshaft 8 Repeat the measurement procedur...

Страница 78: ...93 1 88 1 82 1 77 0 35 2 89 2 84 2 79 2 74 2 69 2 64 2 59 2 54 2 48 2 43 2 38 2 33 2 20 2 23 2 18 2 13 2 08 2 03 1 98 1 93 1 88 1 82 1 77 0 37 2 89 2 84 2 79 2 74 2 69 2 64 2 59 2 54 2 48 2 43 2 38 2...

Страница 79: ...S...

Страница 80: ...ght chain guide Caution Do not rotate the crankshaft or the camshaft once the timing chain has been detached A fully open valve can come into con tact with a piston at top dead centre D Remove and ref...

Страница 81: ...vinci and refitting the sprocket Insert the hook as shown Pull upwards to slacken the chain To replace the chain tensioner When fitting the tensioner release it introducing the tool into the catch sh...

Страница 82: ...s Measure ments are made using a Plastigage which is obtainable under spare parts no 45 30 06 558 and is available in three thicknesses Type PG i green should be used Plastigage Instructions for use M...

Страница 83: ...using the scale printed on the package and read off the clearance One side of the package is calibrated in mm the other side in thousandths of an inch Measure the strip at its widest point but do not...

Страница 84: ...ced with the engine in the car The clutch and flywheel must be removed first 1 Use a screwdriver to remove the old seal 2 Fit the new seal with the spring ring towards the crankshaft Oil the mating su...

Страница 85: ...the sealing ring 4 Press the sealing ring into place using sleeve 83 92 979 which is drawn in by means of the pulley retaining bolt 5 Install the pulley and tighten the bolt to the specified torque I...

Страница 86: ...ging the clutch shaft bearing 1 Remove the flywheel 2 Remove the clutch shaft bearing from the flywheel using drift 83 91 997 3 Fit a new clutch shaft bearing in the flywheel using the same drift I 21...

Страница 87: ...S a a...

Страница 88: ...take side of the pump The oil pan is part of the transmission housing and is totally separate from the transmission lubrication system The oil filter is of the full flow type i e all the oil force fed...

Страница 89: ...t I...

Страница 90: ...d returns excess oil to the intake side of the pump To remove The oil pump can only be removed after the engine has first been removed from the D car see section 201 1 Clean the area round the oil pum...

Страница 91: ...tween the pump body and the gear wheel Permissible end float 0 03 0 08 mm To refit 1 Oil the gear wheels 2 Refit the ring gear so that the mark on its face is visible S7O3 I 3 Fit new sealing lng in t...

Страница 92: ...o facilitate locating it on the UI IVII U the oil filter adaptor casting the oilway to the oil pump sici with engine oil Caution The oil pump must be primed with prior to fitting I and fill pr essure...

Страница 93: ...I I I...

Страница 94: ...Oil inlet 4 Oil outlet 5 Chec valve 6 Filter 7 Overflow valve Changing the filter cartridge 1 Use the strap wrench to unscrew the filter cartridge Wrench for removing factory fitted filter at 1200 mi...

Страница 95: ...I I I...

Страница 96: ...refit 231 14 To replace adjusting screw 231 15 To replace jet 231 16 Temperature compensator 231 17 Float chamber ventilation 231 iB Delay valve see Exhaust Emission Control section 254 Idling shut o...

Страница 97: ...e rate of fuel flow which is controlled by the needle as well as the rate of air flow which is regulated by the position of the piston in the air duct In this way the engine always receives a correct...

Страница 98: ...ty of fuel is much greater than that needed when the car is being driven at a constant speed A leaner mixture is obtained as follows Fig B At constant speed constant throttle ope ning a depression is...

Страница 99: ...ragm housing and choke disc 1 Diaphragm 2 Diaphragm spring 3 Air jet 4 Disc 5 Fuel inlet passage from float chamber 6 a Air fuel passage rich mixture to mixing chamber b Air fuel passage lean mixture...

Страница 100: ...trolled by a bi metal spring The valve starts to open when the carburetor temperature reaches approx 0 0 68 F c20 C Additional air is introduced through a vent which discharges behind the air valve sh...

Страница 101: ...the air fuel mixture is en riched 10 The downward movement of the air valve is spring assisted The oil level in the dam 11 per cylinder should not drop more than 10 12 mm approx below the upper edge N...

Страница 102: ...ass so permitt ing the correct air fuel quantity to reach the engine 1 2 3 4 5 6 7 11 8 2 3 4 5 6 7 8 9 p 10 9 Deceleration valve normal driving I Deceleration valve engine overrun 1 Adjusting screw 2...

Страница 103: ...at idling speed through a small aperture in the throttle butterfly and through a throttle by pass passage When the ignition is turned off the by pass passage is blocked by a spring loaded solenoid wh...

Страница 104: ...ew with spring loaded plun g e r ii Jet 12 Carburetor body 13 Float valve 14 Float arid arm 15 Float chamber 16 Throttle cam lever 17 Deceleration valve N A Sweden spec 18 Temperature compensator 19 C...

Страница 105: ...3 Remove the screw for the dipstick pipe 4 Back off the four retaining nuts and lift off the carburetor To dismantle 1 Take off the vacuum chamber cover 1 and take out the spring 2 2 Remove the pisto...

Страница 106: ...kwise using tool 83 93 035 Hold the needle sleeve to stop it turning Remove the needle I 4 Remove the screws the metal washer 3 the retaining ring 4 and the dia phragm 5 3 C a rh u ret or 1 Vacuum cha...

Страница 107: ...ck the fuel needle for wear bent or worn needles should be replaced Check that the contact and sealing sur faces are not damaged Clean the tempera ture compensator and check that the valve moves freel...

Страница 108: ...just the height of the needle so that the edge of the needle shoulder at the recess for the washer is in line with the bottom of the piston This position is the initial setting for sub sequent CO adju...

Страница 109: ...mechanism has been dismantled fit the choke disc spindle and cam lever as illustrated The calibrated holes should face away from the cable linkage 8 Check the setting of the temperature compensator an...

Страница 110: ...ew again I 3 Rock the retaining washer to loosen it and then remove it by means of a bent piece of wire The adjusting screw can now be removed Refitting I 1 Using a drift press the adjusting screw wit...

Страница 111: ...Press out the jet using tool 83 92 789 3 Using the tool press in the new jet from the float chamber side until the distance of the jet below the level of the bridge in the carburetor housing is 2 5 0...

Страница 112: ...era tion of the temperature compensator by removing the plastic cover and pressing the valve whereupon the tickover should become less smooth If the valve is stiff or sticks it can be adjusted This is...

Страница 113: ...Float chamber vent valve The purpose of the valve is to improve starting when the engine is hot by preven ting vapourized fuel entering the inlet manifold system Should the engine run on after the ig...

Страница 114: ...ir cleaner 2 Atmospheric air S 5620 b If the throttle is opened 0 5 1 0 mm at the throttle stop a passage will be opened for internal air flow making it possible to blow through the connection Throttl...

Страница 115: ...and reset if necessary Idling shut off cars with Sweden specification To check 1 Connect a tachometer and enigne run at idling speed let the 2 Disconnect the electrical cable from the shut off valve a...

Страница 116: ...needle must therefore be adjusted to effect the basic setting Proceed as follows 1 Remove the damper and oil cap as sembly 2 Remove the vacuum chamber cover and the return spring 3 Withdraw the piston...

Страница 117: ...butor 1 Preparing to measure the CO setting a Run the engine until it is warm so that the CO reading item 4 may be carried out immediately after the radiator fan has cut in h Check that the choke cont...

Страница 118: ...essurization of the exhaust system as this may affect readings of the CO content To prevent excessive extraction pressure use an extraction hose with an open coupling incorrect 2 Connect the CO meter...

Страница 119: ...leeve of the tool to prevent the rubber diaphragm from being damaged Rotate clockwise to increase CO value fuel needle raised Rotate counter clockwise to reduce CO value fuel needle lowered r Caution...

Страница 120: ...ontrol switch 5 Pull the control cable out of the grommet in the bulkhead To fit 1 Check that the grommet is correctly positioned in the bulkhead Teed through the control cable so that it can be fitte...

Страница 121: ......

Страница 122: ...There is a thermostatically controlled val ve situated in the air cleaner intake which governs the temperature of the induction air There are two air intakes in the throttle housing one for cold air...

Страница 123: ...n be made by removing the valve body with the cable and the thermostat and immersing it in hot or cold water using the figures shown below and checking the position of the valve 0 0 73F 23 0 L preheat...

Страница 124: ...nd conse quently cannot be overhauled in the event of damage to the diaphragm or valves the entire unit must then be replaced The filter can be removed for cleaning or replacement with the pump in sit...

Страница 125: ...of the pump link rod into the collar of the push rod 5 Press the pump against the flange and hold it these while fitting and tighte ning fhe three fixing bolts Cleaning the filter To be carried out i...

Страница 126: ...rom the top of the tank The action of screwing on the filler cap 7 operates a lever which opens the valve thereby connecting the upper section of the tank to atmospheric pressure via the ventilation h...

Страница 127: ...fuel level transmitter co ver plate 6 Disconnect all electrical connections from the tank 7 Disconnect the inlet pipe and ventila tion hoses from the fuel pump and the fuel line from the tank 8 Remov...

Страница 128: ...ipes the dipstick pipe the throttle cable etc p it is therefore of special importance when working in the engine compartment that all fuel pipes are run clear of such equipment Sheath the pipes with P...

Страница 129: ...nection at the fuel pump 5 Undo the clip and disconnect the fuel line from the fuel tank Installation 1 Clean the fuel line by blowing through with compressed air Close the ends with masking tape 2 Pu...

Страница 130: ...int with the middle ex haust pipe and separate the pipes To remove the rear muffler and the other sections of pipe detach the rubber mountings and clamps from the part to be removed Removal of middle...

Страница 131: ...xtrction equipment when running the engine in the workshop avoid excessive depressurization of the ex haust system which may affect readings e g of the CO content To avoid excessively powerful exhaust...

Страница 132: ...connections are designed to ensure effici ent evacuation of the gases in the crank case into the engine under all running con ditions The gases are evacuated through the smaller hose directly into th...

Страница 133: ...and engine speed to obtain the specified idling speed If in doubt the ignition timing should also be checked 4 Fully open the deceleration valve by turning the adjusting screw clockwise until the engi...

Страница 134: ...aken for the engine to return to the idling speed set under point 2 The delay time should be 3 6 To adjust To adjust the delay time loosen the lock nut on the dashpot and screw it away from the stop o...

Страница 135: ...engine at normal idling speed 3 a Have an assistant rapidly open the throttle and run the engine at 3000 r min approx Start the stop watch when the throttle opens b Observe the ignition tuning in the...

Страница 136: ...head through the upper outlet of the thermostat housing by passing the thermostat through the radiator through the expansion tank return to the pump Coolant also flows through the lower outlet of the...

Страница 137: ...I Threewny thermostat 1 To radiator 2 From engine block 3 To heating system 2 3 I 0 S S9I 261 2...

Страница 138: ...he maximum permtted gauge pressure is 1 2 bar 17 lb in A pressure tester can also be used to check the opening pressure of the radia tor filler cap Opening pressure section 022 Checking the radiator I...

Страница 139: ...e glycol is recommended as an anti freeze fluid For maximum protec tion against freezing and corrosion the glycol dosage should be 40 50 per cent i e 3 4 1 5 7 Imp pints of glycol Use only the glycol...

Страница 140: ...t the ieater core likewise in the reverse direction to the normal flow 8 Check the operation of the cock in the line to the heater core 9 Fit the thermostat water outlet pipe and hoses and check the s...

Страница 141: ...t c t t2 i r n V ti t L t i f ftr e 4 k I...

Страница 142: ...ove the pulley 3 Remove the cover from the heater unit 4 Remove the bolts and Hft off the pump To refit i Clean the mating surfaces and fit a new gasket 2 Reft the pumr 3 Refit the pulley 4 Refit the...

Страница 143: ...aa...

Страница 144: ...Throttle controls 4533 I Throttle cable 271 1...

Страница 145: ...the throttle cable at the carburetor throttle housing and the sheath from the bracket 2 Remove the safety padding on the left hand side hriow the instrument cane C I I I 3 Unhook the cable from the a...

Страница 146: ...low the instrument panel 2 Remove the throttle damper dashpot N A to automatic transmission mo dels 3 Remove the return spring 4 Remove the locking pin from the throt tle cable attachment to the accel...

Страница 147: ...ce cce i V r 4f H r t b I H Z 4 1 H...

Страница 148: ...0 SomsAB G Ordering No 323329...

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Содержание 99 1982

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Saab 99 1982, Руководство по обслуживанию

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