Troubleshooting; General - Jacobsen HR 9016 Turbo Parts & Maintenance Manual

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
Engine will not 1.
start.
2.
3.
4.
5.
6.
7.
8.
9.
Engine hard to 1.
start or runs
poorly.
2.
3.
4.
Engine stops. 1.
2.
Engine 1.
overheating.
2.
3.
Battery not 1.
holding charge.
Battery light on. 2.
3.
4.
Cutting units not 1.
cutting evenly.
2.
3.
4.
Possible Causes
Parking brake disengaged
or power take-off switch
ON.
Glow plug has not timed
out.
Battery low on charge or
defective.
Fuel tank empty or dirty.
Fuse blown.
Relay(s) defective.
Traction pedal not in
Neutral.
Neutral switch on drive
pump not working.
Forward sensing switch on
drive pump not working.
Fuel level low, fuel or fuel
filter dirty.
Air cleaner dirty.
Injectors, fuel pump.
Engine problem.
Fuel tank empty.
Interlocks not set before
leaving operator's seat.
Coolant level low.
Air intake restricted.
Water pump belt broken or
loose.
Loose or corroded battery
terminals.
Low electrolyte.
Alternator belt loose or
broken.
Charging system defective.
Cutting heights not set
evenly.
Engine speed too low.
Mow speed not adjusted for
turf conditions.
Air pressure in caster tires
not adjusted correctly.
TROUBLESHOOTING
1. Check Interlock System and start-up procedure.
2. Reset ignition switch and allow glow plug to time out
before cranking engine.
3. Inspect condition of battery and battery connections.
4. Fill with fresh fuel. Change fuel filter. Bleed fuel lines.
5. Replace fuse.
6. Test and replace relay.
7. Check position of pedal. Adjust Linkage.
8. Test, adjust, or replace switch.
9. Test, adjust, or replace switch.
1. Fill with fresh fuel. Change fuel filter. Bleed fuel lines.
2. Inspect and replace air filter.
3. Consult engine manual.
4. Consult engine manual.
1. Fill with fresh fuel and bleed fuel lines.
2. Engage parking brake and set power take-off switch to
OFF.
1. Inspect and add coolant.
2. Clean air intake at radiator.
3. Tighten or replace belt. See engine manual.
1. Inspect and clean terminals.
2. Refill to correct level.
3. Tighten or replace belt. See engine manual.
4. See engine manual.
1. Check that decks are level. Check and adjust cutting height.
2. Check engine speed with throttle in its fast position.
3. Adjust mow speed for best cut.
4. Check tires and adjust to correct pressure.
Action
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