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 120 of 288

TM 9-2540-207-14&P

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Diagnostic Display (continued)

5.9.4.1.1 Removal

1.

Remove Top Cover (ref. 5.4.1).

2.

Disconnect the Wiring Harness Connector (J2) from the Diagnostic Display by pressing

connector clip on underside of connector.

3.

Using a 5/16" socket, remove Four (4) screws and star washers.

Remove the

Diagnostic Display Board taking care to leave the four (4) metal standoffs in place.

5.9.4.1.2 Installation

1.

Place the Diagnostic Display Board onto the threaded posts.

Note: The holes in the Diagnostic Display Board are offset so that the

Board can only be placed in one direction on the posts.

2.

Apply Loctite 243 (blue) to each of the four (4) mounting screws.

3.

Install one (1) star washer and one (1) screw into each threaded post and finger tighten.

When finger tight, use #2 cross-tip screwdriver to further tighten each screw ¼ turn.

DO

NOT OVER TIGHTEN.

4.

Install Connector (J2) from the Wiring Harness to the Diagnostic Display Board.

5.

Install Top Cover (ref. 5.4.1).