TM-9-2320-280-20-2
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 2 OF 3
JANUARY 1996
TM-9-2320-280-20-2 - Page 147 of 951
3-70. RADIATOR LOWER TUBE ASSEMBLY REPLACEMENT
This task covers:
a. Removal
b.
Installation
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Two locknuts (Appendix G, Item 72)
Tape (Appendix C, Item 50)
Manual References
TM 9-2320-280-24P
Equipment Condition
Cooling system drained (para. 3-60).
TM 9-2320-280-20-2
Change 3
3-125
FOLLOW-ON TASK: Fill cooling system (para. 3-60).
1.
Remove draincock (11) from radiator lower tube assembly (10).
2.
Remove two locknuts (5), washers (3), capscrews (2), and washers (3) from radiator lower tube
assembly (10) and frame bracket (4). Discard locknuts (5).
3.
Loosen clamp (7) and disconnect water pump inlet hose (6) from radiator lower tube assembly (10).
4.
Loosen clamp (8) and disconnect surge tank to lower radiator hose (9) from radiator lower tube
assembly (10).
5.
Loosen clamp (12) and disconnect lower radiator hose (1) from radiator lower tube assembly (10).
6.
Remove radiator lower tube assembly (10).
1.
Install radiator lower tube assembly (10) on frame bracket (4) with two washers (3), capscrews (2),
washers (3), and locknuts (5). Tighten locknuts (5) to 6 lb-ft (8 N
•
m).
2.
Connect lower radiator hose (6) to radiator lower tube assembly (10) with clamp (7).
3.
Connect surge tank to lower radiator hose (9) to radiator lower tube assembly (10) with clamp (8).
4.
Connect water pump inlet hose (1) to radiator lower tube assembly (10) with clamp (12).
5.
Apply sealant type tape to threads of draincock (11) and install draincock (11) on radiator lower
tube assembly (10).
b. Installation
a. Removal
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