Disconnect lead 81G (8) and GND (4) from heater pump leads (12).
tiedown strap (14).
a. Removal
TM 9-2320-280-20-3
12-68. SWINGFIRE HEATER HARNESS ASSEMBLY REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
M966, M966A1, M996, M996A1, M997,
M997A1, M997A2, M998, M996A1, M1025,
M1025A1, M1025A2, M1037, M1038, M1038A1
Tools
General mechanic’s tool kit:
Materials/Parts
Seven tiedown straps (Appendix G, Item 239)
Manual References
TM 9-2320-280-24P
Equipment Condition
automotive (Appendix B, Item 1)
• Battery ground cable disconnected (para. 4-73).
• Air horn removed (para. 3-14).
1.
2.
3.
4.
5.
6.
7.
CAUTION
Use care when removing harness. Failure to do so will cause
damage to harness.
NOTE
Prior to removal, tag leads for installation.
Remove two screws (9) and disconnect lead 81G (8) and GND (4) from relay (1).
Disconnect lead 81A (6) from lead 81B (7).
Pull harness assembly (5) out through cowl (2).
Remove grommet (3) from cowl (2).
Remove three tiedown straps (10) from harness assembly (5) and “A” beam (11). Discard
tiedown straps (10).
Remove tiedown strap (14) from harness assembly (5) and air horn bracket (13). Discard
12-99
