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 - Page 409 of 1207
TM 9-2320-361-20
3-47. WATER PUMP HOUSING AND WATER PUMP REPLACEMENT
This task covers:
a. Water Pump Housing Removal
c. Water Pump Installation
b. Water Pump Removal
d. Water Pump Housing Installation
INITIAL SETUP:
APPLICABLE MODELS
EQUIPMENT CONDITION
All
•Parking brake set (TM 9-2320-361-10).
MATERIALS/PARTS
●
Hood raised and secured (TM 9-2320-361-10).
●
Radiator removed (para. 3-42).
Ten lockwashers
●
Fan removed (para. 3-40).
Gasket
●
Alternator belts removed (para. 4-2).
REFERENCES (TM)
TM 9-2320-361-10
TM 9-2320-361-20P
a. Water Pump Housing Removal
1. Remove nut (10), lockwasher (11), washer (12), and adjusting link (13) from water pump housing (6).
Discard lockwasher (11).
2. Loosen two clamps (4) on hoses (5).
NOTE
Have drainage container available to catch coolant.
3. Loosen clamp (2) and disconnect inlet hose (1) from draincock (14).
4.
Remove draincock (14) and adapter (3) from water pump housing (6).
5. Remove three screws (8) and lockwashers (7) from water pump housing (6). Discard lockwashers (7),
6. Remove water pump housing (6) from cylinder block (9) and two hoses (5).
b. Water Pump Removal
1. Remove six nuts (15) and lockwashers (16) from water pump housing (6). Discard lockwashers (16).
2. Remove water pump drive assembly (17) and gasket (18) from water pump housing (6). Discard
gasket (18).
NOTE
Perform step 3 if studs are to be replaced.
3. Remove six studs (19) and one stud (20) from water pump housing (6).
c. Water Pump Installation
NOTE
Perform step 1 if studs were removed.
1. Install six studs (19) and one stud (20) on water pump housing (6).
2. Install new gasket (18) and water pump drive assembly (17) on water pump housing (6) with six
new lockwashers (16) and nuts (15).
I
d. Water Pump Housing Installation
1. Install water pump housing (6) on two hoses (5) and cylinder block (9) with three new lock-
washers (7) and screws (8).
2. Tighten two clamps (4) on hoses (5).
3-106
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