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Page Title:
Table 8. Engine System (Unit) Troubleshooting Procedures - Continued. |
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 TM 10-3930-660-24-1
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 8. Engine System (Unit) Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Check for air in the fuel
Bleed the fuel system (WP 0034
16. Compression Knocks.
system.
00 or WP 0035 00).
2. Check for poor quality fuel.
Verify by operating from a
temporary tank with good fuel.
Clean and flush the fuel/
hydraulic tank (WP 0032 00).
3. Check for overloaded
Check that engine load rating is
engine.
not being exceeded (WP 0002
1. Check for additional loading
Check for malfunctioning
17. Excessive Fuel Consumption.
from malfunctioning
accessories and vehicle
accessories.
components and repair or
replace as necessary.
2. Check for incorrect operator
Review vehicle operation for
technique.
correct gear shifts, deceleration,
and idling (TM 10-3930-660-
10).
3. Check for poor quality fuel.
Check that quality no. 2 fuel is
being used.
Refer to Step 10, Excessive
4. Check for exhaust restriction
or inadequate intake air.
1. Check for inoperative fuel
Stop the engine mechanically
18. Engine Will Not Shut Off.
shutoff solenoid.
with manual shutoff valve lever.
Test fuel shutoff solenoid (WP
SHUT-OFF
LEVER
TAIL PIPE
409-117
2. Check for engine running on
Check the air intake ducts for the
fumes drawn into the air
source of the fumes.
intake.
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