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 TM 55-1905-223-24-5
Table 2-2. Troubleshooting-CONT
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
STEP 4.
Check for throttle leakage.
a.
Clean fuel pump and surrounding area.
b.
Ensure all fluid line fittings are tight.
c.
Replace fuel pump, if required (para. 2-33).
STEP 5.
Check to see if injector check ball not seating or missing. Remove injector(s), replace
28. Engine surges under load at rated speed throttle wide open.
STEP 1.
Check to see if fuel pump assembled or adjusted wrong. Replace fuel pump (para. 2-
33).
29. Engine surges at high idle.
STEP 1.
Check for air leak in fuel lines. Refer to Malfunction 18, STEP 5.
STEP 2.
Check to see if fuel pump assembled or adjusted wrong. Replace fuel pump (para. 2-
33).
30. Engine will not crank or cranks slowly.
STEP 1.
Check to see if external or internal conditions are affecting engine crankshaft rotation.
Check engine for ease of crankshaft rotation. Correct as required.
STEP 2.
Check to see if battery connections broken, loose, or corroded. Clean, tighten or replace
wiring as required.
STEP 3.
Check to see if battery charge is low.
a.
Make sure battery charger is on line.
b.
Remove battery cell covers and check electrolyte level. Add water if electrolyte is low.
c.
Use a hydrometer to measure the specific gravity of each cell. If the specific gravity of
any cell is below 1.200, the battery must be charged.
d.
Determine the battery state of charge as follows:
Battery State of Charge Specific Gravity at 80 (27 )
F
C
100%
1.260-1.280
75%
1.230-1.250
50%
1.200-1.220
25%
1.170-1.190
Discharged
1.110-1.130
e.
Refer to PMCS Table 2-1, Item No. 3.
2-51
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