TM 10-4520-262-12&P 0024 00
UNIT MAINTENANCE
SPACE HEATER, CONVECTIVE
(NSN 4520-01-431-8927)
0024 00-1
POWER CONTROL ASSEMBLY
REPLACE
INITIAL SETUP
Tools
Materials/Parts
Tool Kit, General Mechanics (Item 1, WP 0044 00)
Tags, marking, MIL-T-12755 (Item 6, WP 0067
00)
Equipment Condition
Heater shut down and all advisory lights off. (WP
0006 00)
In-tent controller assembly disconnected from
heater. (WP 0006 00)
Fuel supply disconnected. (WP 0006 00)
Battery disconnected. (WP 0018 00)
Upper housing assembly removed (WP 0030 00)
WARNING
The ignition system of this heater contains dangerous voltages which can cause severe
electrical shock. Be sure to disconnect battery pack before performing any maintenance
actions.
REPLACE
1. To remove the power control assembly (1), tag or mark the five wires (2) that are attached to the
top edge of the power control assembly so that they match the numbers labeled on the heater
control assembly printed circuit board.
2. Remove the two connectors (3 and 4) on the left and right side of the the power control
assembly.
3. Loosen and remove each of the five wires (2) from the top edge of the power board assembly.
4. Remove the screws (5) that secure the power control assembly (1) to the lower housing assembly
(6).
5. Remove the power control assembly (1) from the heater housing.
