TM 9-2320-289-20
11-3.
HEATER CONTROL PANEL MAINTENANCE.
This task covers:
a. Removal
c. Assembly
b. Disassembly
d. Installation
INITIAL SETUP:
Equipment Condition
Materials/Parts
• Both battery negative cables disconnected.
• Eight Iockwashers
(See paragraph 4-38)
a. REMOVAL
NOTE
Tag leads for installation.
1.
Disconnect 2 wiring harness cables (13) and disconnect plug (15).
NOTE
If removing heater control panel (1) assembly, tag and disconnect all
leads.
If removing individual controls or indicators, perform DISASSEMBLY as
required.
2.
Remove 2 screws (10). Pull heater control panel (1) assembly away from housing.
b.
DISASSEMBLY
Each DISASSEMBLY
DISASSEMBLY steps.
Tag all disconnected
during REMOVAL.
NOTE
step can be performed separately from other
Perform only as required.
leads for installation if not already disconnected
1.
2.
3.
4.
5.
Disconnect lead from back of indicator light (2). Remove nut from back of indicator light and
remove indicator light.
Remove 2 screws (3). Disconnect leads and remove circuit breaker (4). Repeat for other
circuit breaker as required.
Disconnect lead from back of indicator light (9). Remove nut and washer from back of
indicator light, and remove indicator light.
Remove nut (6, 7, or 11). Disconnect leads and remove toggle switch (5, 8, or 12).
On underside of heater control panel (1), remove 4 nuts (17), Iockwashers (16), and screws
(19). Remove receptacle connector (14), Repeat for other receptacle connector as required.
Remove grommet (18) as required. Discard Iockwashers.
11-6
