TROUBLESHOOTING
91
ENGINE
Problem Possible Cause Remedy
Starter motor does not
operate with key turned to
START
• Gear shift lever not in neutral
• PTO switch is “ON”
• Broken safety switch
• Discharged battery
• Loose or dirty terminals
• Broken main switch
• Broken starter
• PTO switch is not in off.
Place lever in neutral
Turn PTO switch to off
Consult your dealer
Charge battery
Clean and retighten securely
Consult your dealer
Consult your dealer
Turn PTO switch to off
Starter motor operates but not
at full speed
• Discharged battery
• Loose or dirty terminals
• Defective ground
• Improper oil viscosity
• Defective engine
Charge battery
Clean and retighten securely
Clean and tighten starter mounting
Replace with oil of proper viscosity
Consult your dealer
Starter motor operates but
engine does not start
• Electric fuel control not operating
• Air in fuel system
• Clogged fuel filter
• Fuel is not being supplied
• Incorrect preheating procedure
• Defective engine
Consult your dealer
Air-bleed fuel system
Clean filter
Check fuel level, open fuel valve
Increase use of glow plugs
Consult your dealer
Irregular engine running • Air in fuel system
• Clogged fuel filter
• Clogged fuel injectors
• Fuel-line is leaking air
• Fuel injection pump timing
• Defective engine
Air-bleed fuel system
Clean filter
Consult your dealer
Retighten clamps, replace defective
pipes
Consult your dealer
Consult your dealer
When decelerated, engine
stops
• Incorrect low idle setting
• Malfunctioning fuel injection pump
• Improper valve clearance
• Defective fuel injectors
Consult your dealer
Consult your dealer
Consult your dealer
Consult your dealer
Engine over-speeds • Defective governor
• Incorrect high speed setting
Consult your dealer
Consult your dealer
Engine over-speeds • Engine oil is getting into
combustion chambers
Consult your dealer
TROUBLESHOOTING
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