Section Iv; Fuel System; Troubleshooting Guide-Gas - Bolens DuraTrac DGT 1800 Service Manual

Section IV. FUEl SYSTEM
5100 SERIES
TRACTOR
PAGE 4-1 Rev. 3/92
PROBLEM
Hard starting.
No fuel reaches
carburetor
.
Carburetor leaks.
Engine starts but runs
rough with low power
output.
NOTE:
TROUBLE SHOOTING GUIDE
GASOLINE ENGINES
Models 5118H, 5118HS & 5120H
PROBABLE CAUSE
REMEDY
1. Choke linkage not working properly. 1. Check linkage and repair.
2. Dirt in fuel system. 2. Clean fuel lines, carburetor, and
install new fuel filter.
3. Engine flooded. 3. Check linkage, carburetor float
setting, etc.
4. Carburetor out of adjustment. 4. Adjust carburetor.
5. Water in fuel system. 5. Clean system and refill with fresh
fuel.
6.
Dirty air filter.
6.
Install new air filter.
1. Empty fuel tank. 1. Refill tank
2. Fuel filter plugged. 2. Replace fuel filter
3. Shut off valve closed. 3 . Open Valve.
4. Gas tank vent plugged.
4. Clean out vent.
5. Fuel pump not working.5. Repair or replace fuel pump
1. Loose fuel line fitting.
1. Tighten fuel line.
2. Carburetor float setting set too high. 2. Adjust float.
1. High or low speed mixture
1. Readjust carburetor.
adjustment off.
2. Incorrect float setting. 2. Adjust float.
3. Dirty air filter. 3. Install new air filter.
4. Carburetor loose on engine block.
4. Tighten carburetor
mounting screws.
Refer to engine manual for detailed servicing information.
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