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Failure
Possible Cause
Corrective Action
2. Electrical connections are corroded or
loose.
2. Clean and tighten electrical connections
for good contact.
3. The relay switch is defective.
3. Contact the NorTrac Technical Service
department (1-800-521-0438).
Engine will not
start, starts hard, or
fails to keep
running.
1. The auxiliary hydraulics lever is not in the
neutral position.
1. Move the lever to the neutral position.
2. Fuel tank is empty.
2. Fill fuel tank with gasoline.
3. Choke is not on (gas models).
3. Move the choke to ON.
4. Air cleaner is dirty.
4. Clean or replace air cleaner element.
5. Spark plug wires are loose or
disconnected (gas models).
5. Install wire on spark plug.
6. Spark plugs are pitted, fouled, or gap is
incorrect (gas models).
6. Install new, correctly gapped spark
plugs.
7. Dirt in fuel filter.
7. Replace fuel filter.
8. Dirt, water, or stale fuel is in the fuel
system.
8. Drain and clean fuel tank and replace
fuel filter, following steps in Fuel System
Maintenance section or contact the NorTrac
Technical Service department.
Engine loses
power.
1. Engine load is excessive.
1. Reduce ground speed.
2. Air cleaner is dirty.
2. Clean the air cleaner element.
3.
Oil level in crankcase is low.
3. Add oil to crankcase.
4.
Cooling fins and air passages under
engine blower housing are plugged.
4. Remove obstruction from cooling fins
and air passages.
5.
Spark plugs are pitted, fowled, or gap is
incorrect (gas models).
5. Install new, correctly gapped spark
plugs.
6.
Dirt in fuel filter.
6. Replace fuel filter.
7.
Dirt, water, or stale fuel is in fuel system.
7. Drain and clean fuel tank and replace
fuel filter, following steps in Fuel System
Maintenance section or Contact the
NorTrac Technical Service department.
Engine overheats.
1.
Engine load is excessive.
1. Reduce ground speed.
2.
Oil level in crankcase is low.
2. Add oil to crankcase.
3. Cooling fins and air passages under
engine blower housing are plugged
(gasoline models) or radiator fins (diesel
models) are dirty or plugged.
3. Remove obstructions and clean all
cooling fins, air passages and/or radiator.
Abnormal vibration.
1. Engine mounting bolts are loose.
1. Tighten the engine’s mounting bolts.
2.
Hydraulic fluid level low.
2. Add hydraulic fluid to reservoir.