TROUBLESHOOTING
Chart
The following troubleshooting chart is provided for assistance in locating and correcting problems which are most common.
Many of the recommended procedures must be done by authorized Bobcat Service
Personnel only.
PROBLEM
Engine will not turn over with the starter.
Engine
will not start or is difficult to start.
Engine misses, runs irregularly or stops.
Engine overheats.
To
much engine vibration.
KEY TO CORRECT THE CAUSE
1.
Battery has lost its charge.
2.
Loose battery connections.
3.
Loose starter connections.
4.
Damaged starter switch.
5.
Broken or damaged wire harness.
6.
Damaged starter or solenoid.
7.
Wrong starting procedure.
8.
No fuel
in
tank.
9.
Air cleaner is dirty.
10.
Fuel vent
in
cap has restricted.
11.
Damaged fuel lift pump.
12.
Hydraulic/Hydrostatic load on engine.
13.
Damage to fuel injection system
14.
Excess fuel function not working.
15.
Incorrect crankcase oil.
16.
Dirty fuel, or fuel filter restricted or vent.
18.
Poor compression.
19.
Water
in
the fuel
20. Engine is overloaded.
21. Dirty engine cooling fins.
22. Engine has been operated with covers removed.
23. Dirty engine oil.
24. Exhaust system has restriction.
25.
Loose engine mounts.
26. Worn rubber mounts.
-7A-1-
CAUSE
1,2,3,4,5,6
7,8,9
,
10,11,12,13,
14,
15
16,17,18,19,20
16,20,21,22,23,24
25,26
741, 742, 743,
74305
Bobcat Loader
Service Manual
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