TM 9-2320-280-20-2
4-121. CONDENSER FAN/PRESSURE SWITCH WIRING HARNESS REPLACEMENT
(M997, M997A1, M997A2)
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Manual References
M997, M997A1, M997A2
TM 9-2320-280-24P
Tools
Equipment Condition
General mechanic’s tool kit:
Battery ground cable disconnected (para. 4-73).
automotive (Appendix B, Item 1)
Air intake compartment panels removed
Materials/Parts
(para. 11-184).
Lockwasher (Appendix G, Item 110)
N O TE
Prior to removal, tag leads for installation.
a. Removal
1. Disconnect leads 436A (12) and 436B (13) from low pressure switch leads (11).
2. Remove nut (5), washer (4), capscrew (19), lockwasher (18), washer (17), and clamp (3) from
harness (2) and dryer panel (20). Discard lockwasher (18).
3. Disconnect leads 436A (7), 436C (8), 799J (9), and 437A (10) from control box leads (6).
4. Disconnect leads 436B (15) and 436C (16) from high pressure switch leads (14).
5. Disconnect leads 437C (25), 799L (26), 437B (23), and 799K (24) from condenser fan leads (27)
and (1).
6. Remove grommet (21) from condenser panel (22) and remove harness (2).
b. Installation
1.
2.
3.
4.
5.
6.
4-284
Install leads 799L (26), 437C (25), 437B (23), and 799K (24) through condenser panel (22) and con-
nect to condenser fan leads (1) and (27).
Install grommet (21) on harness (2) and condenser panel (22).
Connect leads 436A (7), 436C (8), 799J (9), and 437A (10) to control box leads (6).
Connect leads 436B (15) and 436C (16) to high pressure switch leads (14).
Connect leads 436A (12) and 436B (13) to low pressure switch leads (11).
Install clamp (3) on harness (2) and dryer panel (20) with washer (17), lockwasher
washer (4), and nut (5).
(18), capscrew (19),
