Assessments - 3, GPA: 3.3 ( )

Fabricante : Ariens Arquivo Tamanho: 764.68 kb Arquivo Nome : Língua de Ensino:

TROUBLE POSSIBLE CAUSES (Refer to Key Below) CORRECTIVE ACTION Black Exhaust 20, 22, 25, 29, 31, 32, 33 repair or replace Blue/White Exhaust 4, 20, 25, 31, 33, 34 repair or replace Difficult Starting 5, 7, 8, 9, 10, 20, 21, 22, 29, 31, 32, 33 repair or replace Erratic Running 7, 8, 9, 10, 20, 21, 23, 26, 29, 33, 59, 62 repair or replace Excessive Fuel Consumption 20, 22, 23, 25, 39, 31, 32, 33 repair or replace High Oil Pressure 4, 41 repair or replace Knocking 22, 26, 29, 31, 33, 36, 46, 59 repair or replace Loss of Power or System 8, 10, 20, 21, 22, 23, 25, 26, 31, 32, 33 repair or replace Low Cranking Power 2, 3, 4, 11 repair or replace Low Oil Pressure 4, 36, 37, 39 repair or replace Misfiring 10, 20, 25, 26, 28, 29, 32 repair or replace Overheating 19, 25, repair or replace Poor Compression 25, 28, 29, 31, 32, 33, 34,59, repair or replace Starts and Stops 6, 10, 62 repair or replace see electrical systems see engine service manual Vibration 20, 23, 25, 26, 29, 33, 45, 49 repair or replace Will Not Crank 2, 11, 45 charge battery or replace Will Not Start 10, 62 repair or replace see electrical systems see engine service manual TROUBLESHOOTING KEY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Restriction in air cleaner 22 Bad electrical connection 23 Faulty starter motor 24 Incorrect grade of lubricating oil 25 Low cranking speed 26 Fuel tank empty 27 Controls not in correct operation position 28 Blocked fuel feed line 29 Faulty fuel lift pump 30 Choked fuel filter 31 Battery capacity low 32 Air in fuel system 33 Faulty fuel injection pump 34 Faulty fuel injectors or incorrect type 35 Incorrect use of cold start equipment 36 Faulty cold start equipment 37 Broken fuel injection pump drive 38 Incorrect fuel pump timing 39 Incorrect valve timing 40 Poor compression 41 Blocked fuel tank vent 42 Incorrect grade of fuel 43 Sticking throttle/restricted movement 44 Exhaust pipe restriction 45 Leaking cylinder head gasket 46 Overheating 47 Cold running 48 Incorrect tappet adjustment 49 Sticking valves 50 Incorrect high pressure pipes 51 Worn cylinder bores 52 Pitted valves and seats 53 Broken, worn or sticking piston ring(s) 54 Worn valve stems and guides 55 Restriction in air cleaner 56 Worn or damaged bearings 57 Insufficient oil in sump 58 Bad/defective oil temperature switch 59 Oil pump worn 60 Pressure relief valve sticking open 61 Pressure relief valve sticking closed 62 Broken relief valve spring Faulty suction pipe Choked oil filter Bad solenoid switch Incorrect piston height Damaged fan Faulty engine mounting Incorrectly aligned flywheel and/or flywheel housing Faulty thermostat Restriction in water jacket Loose fan belt Choked radiator Faulty water pump Choked breather pipe Damaged valve stem oil deflector (if fitted) Coolant level too low Blocked sump strainer Broken valve spring Exhaust or vacuum pipe leak Bad or defective water temperature switch Bad spark plug(s) 6 - 20 See your engine manual for information on the operation and maintenance of your engine. Follow those instructions for oil and filter changes. 6.2 REMOVING THE ENGINE 1. Drain gasoline. 2. Place unit in the Belt Service Position. 3. Remove both belts from the engine pulleys. Remove pulleys. 4. If the unit has a bracket at the top of the engine for chute/deflector controls, unbolt it. 5. On electric start units, disconnect the battery. Remove the starter. 6. Remove the four mounting bolts from the engine base. 6.3 INSTALLING THE ENGINE 1. Position the engine in the frame. 2. Insert mounting bolts and tighten. 3. On electric start units, install the starter. Connect battery. 4. Reattach any brackets for chute/deflector controls. 5. Install pulleys on engine shaft. Do not tighten set screws. 6. Install belts. Adjust the engine pulleys to align with attachment and drive pulleys. Tighten set screws. 7. Take unit out of Belt Service Position. 6 - 21 SECTION 7 - REDUCTION DRIVE SECTION 7 - REDUCTION DRIVE The unit can be equipped with either of two drive axles. The first type is a differential axle (Figure 14). To lock into two wheel drive the left hand wheel has a lockout hub. The second type is a spur gear drive (Figure 15). To lock a wheel to the axle, a pin is inserted through the wheel hub and through the axle. 7.1 DIFFERENTIAL, LOCKOUT, AND AXLE Place unit in Upright Service Position. 1. Remove groove pin that secures lockout assembly to left hand axle and lockout assembly from shaft (Figure 14). (Pin is tapered and must be driven from small end.) 2. Remove roll pin that secur...

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