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 79 of 288
TM 9-2540-207-14&P
5-35
Electronic Programmed Controller & Vent Fan Driver Boards (Continued)
Note:
The surfaces to be coated are metal bracket surfaces that will be in
direct contact with the Vent Fan Housing when the printed circuit assembly
is installed.
Figure 5.6-19
Detail, Circuit Board Brackets Requiring Heat-Sink Compound
3.
Install the Printed Circuit Board Assembly into the Vent Fan Assembly, aligning the hole
in the open bracket with the hole in the Motor Housing. Apply Loctite 243 (blue) to the
screws and using a #1 cross-tip screwdriver secure using the five (5) flathead screws.
Tip: Place the five (5) flat-head screws in the printed circuit board mounting
holes first, then align and lower the assembly into place.
Start EACH screw
before securing any of them.
4.
Connect the Vent Fan Motor Connector to the Vent Fan Driver Board, ensuring the
connector locking tabs are properly engaged.
5.
Install Vent Fan Assembly to heater (ref. 5.6.1).
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