PROBLEM SOLVING 10
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10
PROBLEM SOLVING
10.1 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 lever not in Neutral or
reel lever(s) 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.
Fuse blown.
4.
Replace fuse.
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 levers to OFF
and set traction lever to Neutral before leaving
seat.
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.
Reels cut unevenly.
1.
Bedknife-to-reel not adjusted
correctly.
1.
Inspect bedknife-to-reel adjustment.
2.
Engine speed too low.
2.
Check engine speed. Run engine at full throttle.
3.
Reel Control lever set in
reverse
3.
Set reel lever to forward rotation.
4.
Low hydraulic oil.
4.
Check reservoir level and fill if needed.
Mower does not react
to traction pedal.
1.
Parking brake engaged.
1.
Disengage parking brake.
2.
Traction lever in Neutral.
2.
Place lever in desired speed or direction.
3.
Low hydraulic oil.
3.
Check reservoir level and fill if needed.
Gauges/Indicator not
operating.
1.
Fuse blown, Bulb burnt out.
1.
Replace fuse, check bulb.
2.
Loose wiring.
2.
Check electrical connections.
