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OM-2031
TROUBLE, SYMPTOM
AND CONDITION
ENGINE AND CONTROLS (CONTINUED)
3. Engine will not
start. Cranking
3-1
Page 10
PROBABLE CAUSE
A. No fuel
(1) Insufficient fuel
in tank
(2) Fuel shut-off
valve closed
(3) Loose connections
damaged hoses or
fuel lines between
tank and
fuel pump
(4) Plugged or defec-
tive fuel filter
(5) Faulty installation
Trouble Shooting Chart (Sheet 2 of 20)
Figure 5
TEST, CHECK, AND/OR
REMEDY
A. Before attempting to find
the cause of "no fuel",
speed normal.prime the fuel
filters by removing pipe plug
in thecover of each. Fill each
filter with fuel oil. If the
engine will not start after
priming, mechanical pump
trouble is indicated. If the
engine starts and then stops
after a short time, trouble
between the fuel source and
the suction side of the pump
is indicated. Check and/or
remedy as follows :
(1) Fill tank.
(2) Make certain valve is
OPEN.
(3) Tighten all fittings and
connections. Replace any
damaged hoses or fuel
links.
(4) Do not overlook the
possibility of restrict-
ed flow through the fuel
filters. Also check gas-
kets for leaking or dam-
aged condition.
(5) Restricted fitting missing
from return line.
August 5/89 Revised
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