TM-9-2320-361-20

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

OCTOBER 1991
TM-9-2320-361-20

  TM-9-2320-361-20 - Page 132 of 1207

TM 9-2320-361-20
Table 2-2. Mechanical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
OUTRIGGERS (M764)
71. OUTRIGGERS INOPERATIVE
Step 1. Check hydraulic lines, valve, and pump for leaks.
a. Tighten loose connections.
72.
b. If hoses, valve, or pump are damaged, notify your supervisor.
Step 2. Check outrigger pump propeller shaft for breaks.
If broken, replace propeller shaft (para. 12-87).
END OF TESTING!
OUTRIGGERS OPERATE SLOWLY
Check for cracked, broken, or loose hydraulic hoses.
a. Tighten loose connections.
b. If hoses are cracked or broken, notify your supervisor.
END OF TESTING!
FUEL TANK (M49A2C)
WARNIN G
Diesel fuel is flammable. Do not perform fuel system procedures
near open flame. Injury or death to personnel may result.
73. FUEL DOES NOT PUMP FROM COMPARTMENTS, OR PUMPS SLOWLY
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Inspect transfer PTO for proper operation.
If transfer PTO is inoperative, check PTO linkage for proper adjustment (para. 6-2).
Check fusible link to make sure it is mounted to pin, and check fusible link for breaks.
If fusible link is broken or not mounted properly, replace or reinstall (para. 12-21).
Check delivery pump propeller shaft for breaks and damaged universal joints.
If propeller shaft is broken or universal joints need replacement, replace (paras. 12-49
through 12-52).
Perform fuel filter separator check (TM 9-2320-361-10).
If fuel filter separator is restricted, replace filter (para. 12-39).
Check delivery pump strainer for restrictions.
a. If restricted, clean or replace delivery strainer (para. 12-40).
b. If fuel filter separator is not restricted and fuel pressure is low, replace delivery pump
(para. 12-33).
END OF TESTING!
74. DELlVERY PUMP DISPENSES FUEL SLOWLY FROM BOTH TANKS
Step 1. Perform fuel filter seperator check (TM 9-2320-361-10).
If fuel filter seperator is restricted, replace filter (para. 12-39).
2-47


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