Kohler Comand Pro CH1000, Руководство по обслуживанию

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3.1
Section 3
Troubleshooting
3
Section 3
Troubleshooting
Troubleshooting Guide
When troubles occur, be sure to check the simple
causes which, at
fi rst, may seem too obvious to be
considered. For example, a starting problem could be
caused by an empty fuel tank.
Some general common causes of engine troubles are
listed below. Use these to locate the causing factors.
Refer to the speci
fi c section(s) within this service
manual for more detailed information.
Engine Cranks But Will Not Start
1. Empty fuel tank.
2. Fuel shut-o
ff valve closed.
3. Poor fuel, dirt, or water in the fuel system.
4. Clogged fuel line.
5. Spark plug lead(s) disconnected.
6. Kill switch in
OFF position.
7. Faulty spark plugs.
8. Faulty ignition module(s).
9. Carburetor solenoid malfunction.
10. Ba
tt ery connected backwards.
11. Safety interlock system engaged.
Engine Starts But Does Not Keep Running
1. Restricted fuel tank cap vent.
2. Poor fuel, dirt, or water in the fuel system.
3. Faulty or misadjusted choke or thro
tt le controls.
4. Loose wires or connections that short the kill
terminal of ignition module to ground.
5. Faulty cylinder head gasket.
6. Faulty carburetor.
7. Intake system leak.
Engine Starts Hard
1. PTO drive is engaged.
2. Dirt or water in the fuel system.
3. Clogged fuel line.
4. Loose or faulty wires or connections.
5. Faulty or misadjusted choke or thro
tt le controls.
6. Faulty spark plugs.
7. Low compression.
8. Weak spark.
9. Fuel pump malfunction causing lack of fuel.
10. Engine overheated-cooling/air circulation
restricted.
11. Quality of fuel.
12. Flywheel key sheared.
13. Intake system leak.
Engine Will Not Crank
1. PTO drive is engaged.
2. Ba
tt ery is discharged.
3. Safety interlock switch is engaged.
4. Loose or faulty wires or connections.
5. Faulty key switch or ignition switch.
6. Faulty electric starter or solenoid.
7. Seized internal engine components.
Engine Runs But Misses
1. Dirt or water in the fuel system.
2. Spark plug lead disconnected.
3. Poor quality of fuel.
4. Faulty spark plug(s).
5. Loose wires or connections that intermi
tt ently
ground the ignition kill circuit.
6. Engine overheated.
7. Faulty ignition module or incorrect air gap.
8. Carburetor adjusted incorrectly.
Engine Will Not Idle
1. Dirt or water in the fuel system.
2. Stale fuel and/or gum in carburetor.
3. Faulty spark plugs.
4. Fuel supply inadequate.
5. Idle fuel adjusting needles improperly set.
6. Idle speed adjusting screw improperly set.
7. Low compression.
8. Restricted fuel tank cap vent.
9. Engine overheated-cooling system/air circulation
problem.
Engine Overheats
1. Air intake/grass screen, cooling fi ns, or cooling
shrouds clogged.
2. Excessive engine load.
3. Low crankcase oil level.
4. High crankcase oil level.
5. Faulty carburetor.
6. Lean fuel mixture.