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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 or PTO switch on.

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, set reel switch to OFF and traction

pedal in Neutral.

Engine overheating. 1. Coolant level low. 1. Inspect and add coolant.

2. Air intake restricted. 2. Clean cooling air intake.

3. Water pump belt broken or loose. 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.

Mowers do not cut or cut

unevenly.

1. Cutting units not fully lowered. Lower cutting units to ground.

2. Engine speed too low. Check engine speed. Run engine at full throttle.

3. Low hydraulic oil. Check reservoir level and fill if needed.

Mower 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. Circuit Breaker blown. Reset circuit breaker, check bulb.

2. Loose wiring. Check electrical connections.