TM-9-2320-361-24-1

2-1/2 TON, 6X6, M44A2 SERIES TRUCKS

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2

AUGUST 2006

TM-9-2320-361-24-1 - Page 121 of 1176

TM 9-2320-361-24-1

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MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd)

Table 20. Water Tank (M50A3) Troubleshooting Procedures (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

4. WATER TANK

COMPARTMENTS

CANNOT BE SUCTION

FILLED

1. Check delivery pump propeller

shafts for broken universal

joints or broken shaft.

2. Check transfer PTO for proper

operation.

3. Check delivery pump strainer for

restrictions.

1. If shaft is broken, replace

(WP 0292 00 or WP 0293 00).

2. If universal joints are broken,

replace (WP 0141 00).

1. If transfer PTO is inoperative,

check transfer PTO linkage for

proper operation and adjustment

(WP 0133 00).

2. If transfer PTO linkage is

operating properly and transfer

PTO is inoperative, replace PTO

(WP 0348 00).

1. If delivery pump strainer is

restricted, clean or replace

(WP 0284 00).

2. If water system is clean and

delivery pump drive shaft is

operating at correct speed,

replace delivery pump

(WP 0280 00).