TM 9-2320-280-34
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:
Heater/air-conditioning control box removed
automotive (Appendix G, Item 1)
Materials/Parts
Maintenance Level
Lockwasher (Appendix E, Item 102)
Direct support
a. Removal
1.
Remove two screws (11) securing panel (12) to bracket (16).
2.
Remove four corner screws (13) securing panel (12) to control box (1) and pull panel (12) away for
access to leads (5) and (9).
3.
Remove capscrew (3), lockwasher (2), clamp (4), heater cable (14), probe (10), and harness (15) from
bracket (16). Discard lockwasher (2).
4.
Remove knob (7), nut (8), and switch (6) from panel (12).
NOTE
Prior to removal, tag leads for installation.
5.
Disconnect leads 720D (5) and 436 (9) from switch (6) and remove switch (6).
b. Installation
CAUTION
Handle cold control probe carefully to prevent damage to probe.
1.
Install switch (6) on panel (12) with nut (8) and knob (7).
2.
Connect leads 720D (5) and 436 (9) to switch (6).
3.
Install heater cable (14), probe (10), and harness (15) on bracket (16) with clamp (4),
lockwasher (2), and screw (3).
NOTE
Check for loose or disconnected wires before installing panel.
4.
Install panel (12) on control box (1) and bracket (16) with four screws (13) and two screws (11).
Change 2
