Section Vii. Engine; Trouble Shooting Guide - Bolens DuraTrac DGT 1800 Service Manual

a.
5100 SERIES
TRACTOR
PAGE 7-2 Rev. 3/92
ENGINE (Continued)
TROUBLE SHOOTING GUIDE (Continued)
PROBLEM PROBABLE CAUSE REMEDY
Operating erratically. 1. Clogged fuel line. 1. Clean fuel line.
2.
Water in fuel.
2.
Clean fuel system.
3.
Improper carburetor adjustment.
3.
Adjust carburetor.
4.
Vent in gas cap plugged.
4.
Clean gas cap vent.
5.
Faulty fuel pump.
5.
Replace fuel pump.
6. Faulty choke control. 6.
Replace choke control.
7.
Loose ignition connections.
7.
Clean and tighten ignition
connections.
8. Air leaks in manifold or 8.
Tighten manifold and
carburetor connections.
carburetor.
Engine will not idle. 1. Improper carburetor idling 1.
Adjust idle speed.
adjustment.
2.
Carburetor clogged.
2.
Clean carburetor.
3.
Spark plug gap set too close. 3.
Adjust spark plug gap.
4.
Leaking carburetor or manifold 4.
Replace gaskets.
gaskets.
ENGINE REMOVAL--GASOLINE
b. Shift tractor into neutral.
plug and keep it from touching
spark plug.
c. Set tractor parking brake.
CAUTION
DISCONNECT NEGATIVE
c:l.
Stop tractor engine. BATTERY CABLE FROM
BEFORE PERFORMING ANY
BATTERY AS WELL BEFORE
ENGINE MAINTENANCE ON
e. Remove key from ignition.
ATTEMPTING THIS ENGINE
YOUR TRACTOR:
f.
Disconnect spark plug
REMOVAL.
Disengage PTO drive.
wire from tractor engine spark
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