PROBLEM SOLVING 9
47
9
PROBLEM SOLVING
9.1 GENERAL ________________________________________________________________
The problem solving 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 switch OFF, traction
pedal not in Neutral, or mow switch
ON.
1.
Check interlock system and start-up procedure.
2.
Glow plug has not timed out.
2.
Reset ignition switch and allow glow plug to
time out before cranking engine.
3.
Battery low on charge or defective.
3.
Inspect condition of battery and battery
connections.
4.
Fuel tank empty or dirty.
4.
Fill with fresh fuel. Change fuel filter. Bleed fuel
lines.
5.
Fuse blown.
5.
Replace fuse.
6.
Relay defective.
6.
Test and replace relay.
7.
Neutral switch on traction pedal
out of adjustment or defective.
7.
Adjust or replace switch.
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.
See Engine Manual.
4.
Engine problem.
4.
See 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.
Turn parking brake switch ON and set mow
switch to OFF.
Engine overheating.
1.
Coolant level low.
1.
Inspect and add coolant.
2.
Air intake restricted.
2.
Clean air intake at radiator.
3.
Water pump belt broken or loose.
3.
Tighten or replace belt.
Battery not holding
charge.
1.
Loose or corroded battery
terminals.
1.
Inspect and clean terminals.
Battery light on.
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.
Decks
cut
unevenly.
1.
Height of Cut not adjusted
correctly.
Inspect height of cut adjustment. Same number of
spacers below deck housing on all spindles.
2.
Engine speed too low.
Check engine speed. Run engine at full throttle.
3.
Mow speed not adjusted for turf
conditions.
Adjust mow speed for best cut.
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