TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 1. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
Engine Starts But Will Not Keep
Running - Continued.
WARNING
There is no clearance for personnel between frame and yoke when
roller turns. Injury or death from crushing could occur.
Steering frame must be locked before lifting, transporting or servic-
ing roller in articulation area with engine running. Failure to follow
this warning may cause injury or death from crushing.
Unlock steering frame before operation to prevent loss of steering.
Failure to follow this warning may cause injury or death.
When working on a running engine, provide shielding for exposed
rotating parts. Tools, clothing, or hands can get caught and cause
injury.
4. Check fuel lift pump pressure. 1. If fuel pump outlet pressure is
Remove fuel line from output
below 4.5 psi (30 kPa), replace
port of fuel lift pump (WP 0028
fuel lift pump (WP 0028 00).
output port of fuel lift pump. Turn 2. If time for maximum pressure
noted during cranking to drop by
on battery disconnect switch and
one half is less than 30 seconds,
lock steering frame. Have an
assistant crank engine for 10
replace fuel lift pump (WP 0028
seconds. Observe pressure gauge.
Note highest indication on
pressure gauge. Normal pressure
is 6 - 10 psi (40 - 70 kPa).
Minimum pressure is 4.5 psi (30
kPa). Turn engine start switch
OFF. Observe amount of time for
maximum pressure noted during
cranking to drop by one half.
Time should be greater than 30
seconds. Remove pressure gauge
from fuel lift pump.
FUEL
LINE
LIFT PUMP
OUTPUT PORT
401-176
0006 00-11
