TM 9-2320-280-20-2
4-123. HEATER/VENT SYSTEM CONTROL BOX AND WIRING HARNESS
REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Manual References
M996, M996A1
TM 9-2320-280-24P
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Equipment Condition
Blower assembly removed (para. 11-212).
Materials/Parts
Two locknuts (Appendix G, Item 63)
Nut and lockwasher assembly
(Appendix G, Item 148)
Pushnut (Appendix G, Item 170)
Four lockwashers (Appendix G, Item 110)
Tiedown strap (Appendix G, Item 241)
a. Removal
N O TE
1.
2.
3.
4.
5.
6.
7.
4-292
Prior to removal, tag leads for installation.
Remove locknut (1), washer (2), capscrew (8), washer (7), ground terminal (6), and capacitor (5) from
fuel pump (16) and bracket (17). Discard locknut (1).
Disconnect control box lead (3) from fuel pump lead (4).
Remove locknut (15), washer (14), capscrew (11), and clamp (9) from control box harness (10), fuel
line clamp (13), and body bracket (12). Discard locknut (15).
Remove grommet (18) from tunnel (26) and harness (10) and route harness (10) through hole in
tunnel (26) and battery box grommet (25) into stowage compartment.
Remove two screws (22) and clamps (19) from harness (10), resuscitator harness (23), and body (21).
Remove tiedown strap (24) from harness (10) and resuscitator harness (23). Discard tiedown strap (24).
Route harness (10) up through grommet (20) into patient compartment.
