5 TROUBLESHOOTING
GB-20
5
TROUBLESHOOTING
5.1 GENERAL ________________________________________________________________
The troubleshooting chart below lists basic problems that may occur during start-up and operation. For more detailed
information regarding the hydraulic and electrical systems contact your area Jacobsen Dealer.
Symptoms
Possible Causes
Action
Engine will not start.
1.
Parking brake disengaged,
traction pedal not in neutral.
1.
Check Interlock System and start-up procedure.
2.
Battery low on charge or
defective.
2.
Inspect condition of battery and battery connections.
3.
Fuel tank empty or dirty. Fuel shut
off valve closed
3.
Fill with fresh fuel. Change fuel filter. Bleed fuel lines.
Open fuel shut off valve
4.
Circuit breaker blown.
4.
Reset circuit breaker.
Engine hard to start or
runs poorly.
1.
Fuel level low, fuel or fuel filter
dirty.
1.
Fill with fresh fuel. Change fuel filter. Bleed fuel lines.
2.
Air cleaner dirty.
2.
Inspect and replace air filter.
3.
Injectors, fuel pump
3.
Consult engine manual.
4.
Engine problem.
4.
Consult engine manual
Engine stops.
1.
Fuel tank empty.
1.
Fill with fresh fuel and bleed fuel lines.
2.
Interlocks not set before leaving
operator’s seat.
2.
Engage parking brake and traction pedal in neutral.
Engine overheating
1.
Coolant level low.(Diesel)
1.
Inspect and add coolant.
2.
Air intake restricted.
2.
Clean cooling air intake.
3.
Water pump belt broken or
loose.(Diesel)
3.
Tighten or replace belt.
4.
Engine overload
4.
Reduce forward speed
Battery not holding
charge.
1.
Loose or corroded battery
terminals.
1.
Inspect and clean terminals
2.
Low electrolyte.
2.
Refill to correct level.
3.
Alternator belt loose or broken.
3.
Tighten or replace belt
4.
Charging system defective.
4.
See engine manual
Tractor does not react
to traction pedal
1.
Parking brake engaged
Disengage parking brake.
2.
Tow Valve Open
Close Tow Valve
3.
Low hydraulic oil
Check reservoir level and fill if needed
Implement does not
raise or lower
1.
Low hydraulic oil
Check reservoir level and fill as needed
Gauges/Indicator not
operating
1.
Fuse blown
Replace fuse, check bulb
2.
Loose wiring
Check electrical connections.
Summary of Contents for Groom Master II 88008
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