TM-9-2540-207-14-P
HEATER, VEHICULAR COMPARTMENT, MODEL: A20
TECHNICAL MANUAL; OPERATOR, FIELD, AND SUSTAINMENT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JULY 2007
TM-9-2540-207-14-P - Page 76 of 288
TM 9-2540-207-14&P
5-32
5.6.5
Electronic Programmed Controller & Vent Fan Driver Boards (Design Iteration 1 &
2) or Vent Fan Driver Board (Design Iteration 3)
Design Iterations 1 and 2 utilized two printed circuit boards that are called the Electronic
Programmed Controller and Vent Fan Driver Boards. The electronic programmed control is
located in the top housing and the vent fan driver is located on the left.
In Design Iteration 3, this function is served by a single printed circuit board which is referred to
as the Vent Fan Driver board. The procedures for the repair of these boards can be found in the
sections that follow in accordance with the appropriate Design Iteration.
5.6.5.1 Electronic Programmed Controller & Vent Fan Driver Boards (Design Iteration 1 &
2)
Figure 5.6-16 Electronic Programmed Controller & Vent Fan Driver Boards
5.6.5.1.1 Removal
1.
Remove Vent Fan Assembly (ref. 5.6.1).
2.
Disconnect the Vent Fan Motor Connector from the Electronic Vent Fan Driver Board.
(ref. Figure 5.6-17 Detail, Removal of Printed Circuit Boards)
Note:
The connector is released by pressing the sides of the connector to
release the locking tabs, and gently pulling apart
the two halves.
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