3-71. 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)
Maintenance and repair shop equipment:
automotive (Appendix B, Item 2)
Materials/Parts
Two locknuts (Appendix G, Item 109)
Tape (Appendix C, Item 77)
Manual References
TM 9-2320-387-24P
Equipment Condition
Cooling system drained (para. 3-61).
Maintenance Level
Unit
1.
Remove drainvalve (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) and tighten clamp (7) to
85-95 lb-in. (10-11 N•m).
3.
Connect surge tank-to-lower radiator hose (9) to radiator lower tube assembly (10) and tighten clamp (8)
to 85-95 lb-in. (10-11 N•m).
4.
Connect water pump inlet hose (1) to radiator lower tube assembly (10) and tighten clamp (12)
to 85-95 lb-in. (10-11 N•m).
5.
Apply sealant-type tape to threads of drainvalve (11) and install drainvalve (11) on radiator lower
tube assembly (10).
b. Installation
a. Removal
TM 9-2320-387-24-1
Change 1
3-127
FOLLOW-ON TASK: Fill cooling system (para. 3-61).
1
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5
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6
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8
9
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