1.2L REVOTRON Bi FUEL CNG ENGINE 1.4. ENGINE TESTS AND MAINTENANCE ......................................................................................... 45 A PRELIMINARY INSPECTION............................................................................................................. 45 B ENGINE TESTS……………………… ....................................................... ……………………………..46 I ENGINE COMPRESSION TEST ................................................................................................... 46 II ENGINE OIL CONSUMPTION TEST ............................................................................................ 47 III ENGINE OIL PRESSURE TEST ................................................................................................... 48 C REGULAR MAINTENANCE…… ........................................................................................................ 49 I ENGINE OIL AND FILTER CHANGE............................................................................................ 49 II ENGINE COOLANT REPLACEMENT........................................................................................... 50 III AIR FILTER ELEMENT REPLACEMENT ..................................................................................... 54 IV SPARK PLUG REPLACEMENT .................................................................................................... 55 V AIR CONDITIONER COMPRESSOR BELT REPLACEMENT ..................................................... 56 VI RECEPTACLE VALVE O-RING REPLACEMENT ........................................................................ 57 VII CNG FILTER REPLACEMENT...................................................................................................... 58 1.5. REPAIR AND INSPECTION DETAILS ........................................................................................... 61 A ACCESSORY DRIVING BELT ........................................................................................................... 61 B TIMING CHAIN ................................................................................................................................... 61 C CYLINDER HEAD............................................................................................................................... 61 D VALVES .............................................................................................................................................. 62 E CYLINDER HEAD VALVE SEATS ..................................................................................................... 63 F ROLLER FINGER FOLLOWER.......................................................................................................... 64 G HYDRAULIC LASH ADJUSTER......................................................................................................... 64 H CAMSHAFT (INTAKE AND EXHAUST) ............................................................................................. 64 I PISTON AND PISTON RINGS ........................................................................................................... 66 J CONNECTING RODS ........................................................................................................................ 67 K CRANKSHAFT.................................................................................................................................... 69 L CRANK CASE..................................................................................................................................... 71 M FUEL TANK ........................................................................................................................................ 72 N CANISTER PURGE VALVE ............................................................................................................... 72 O CANISTER.......................................................................................................................................... 73
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