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Page Title:
Table 1. Engine Troubleshooting Procedures - Continued. |
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 TM 5-2410-237-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 1. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Clean lines with compressed
8.
Engine Speed Unstable or Surges at All
2.
Disconnect
fuel
lines
between tank shutoff valve
air or sturdy wire and
Speeds - Continued.
and primary fuel filter (WP
reconnect (WP 0053 00).
obstruction.
2. Replace fuel filters (WP 0059
00 or WP 0060 00).
3. Prime fuel system (WP 0041
1. If a leak is at a connection,
3.
Inspect fuel lines and
connections for leaks,
tighten.
obstructions and damage.
2. If a leak results from cracked,
split or damaged tubing,
replace tubing (WP 0053 00).
4.
Inspect governor linkage
If linkage does not operate
for proper operation and
properly or is not correctly
adjustment.
adjusted,
make
necessary
adjustment (WP 0058 00).
9.
Excessive Engine Vibration.
1.
Perform cylinder cutout test
1. Replace defective
nozzle
2. If nozzle is operating
properly,
replace
fuel
injection pump for that
cylinder (WP 0055 00).
2.
Check for loose or damaged
1. Tighten vibration damper
vibration damper.
capscrews to 75 lb-ft (102
Nm).
2. Replace damaged vibration
damper (WP 0029 00).
3.
Check for loose or damaged
1. Tighten pulley capscrews to
crankshaft pulley.
230 lb-ft (312 Nm).
2. Replace damaged crankshaft
pulley (WP 0028 00).
4.
Check fan blade balance.
a. Loosen or remove V-belts
Change 1
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