Hexagonal Spacer Removal and Replacement

TM 11-7010-201-40-5/ET821-AA-MMI-050/E154 MTS/T O 31S5-2TSQ73-2-5

(2) Install connector receptacle (4) into chassis (1), and secure with four self-locking nuts and screws.

(3) Close front panel (17), and secure with three knurled captive screws.

5-21. Hexagonal Spacer Removal and Replacement. (See figure 5-1.) Any of the four hexagonal spacers (11) may

be removed and replaced by performing the following procedures.

a. Removal. Perform the following procedure to remove a hexagonal spacer (11).

(1) Loosen three knurled captive screws securing front panel (17) to chassis (1), and open front panel (17).

(2) Loosen and remove six screws (3) securing access cover (2) to bottom of chassis (1) and remove access

cover (2).

(3) Loosen and remove screws (9) and washer (10) securing circuit board (8) to top of appropriate hexagonal

spacer (11).

(4) Loosen and remove flat-head screw (12) securing appropriate hexagonal spacer (11) to chassis (1) and

remove spacer.

b. Replacement. Perform the following procedure to replace a hexagonal spacer (11).

(1) Using flat-head screw (12), secure hexagonal spacer to chassis (1).

(2) Secure circuit board (8) to top of appropriate hexagonal spacer (11), and secure with screw (9) and washer (10).

(3) Install and secure access cover (2) to bottom of chassis (1) with six screws (3).

(4) Close front panel (17), and secure with three knurled captive screws.

5-22. Rubber Bumper Removal and Replacement. (See figure 5-1.) Any of the four rubber bumpers (13) may be

removed and replaced by performing the following procedures.

a. Removal. Perform the following procedure to remove a rubber bumper (13).

(1) Loosen three knurled captive screws securing front panel (17) to chassis (1), and open front panel (17).

(2) Loosen and remove screw (14), washer (15) and nut (16) securing rubber bumper (13) to chassis (1), and

remove rubber bumper.

b. Replacement. Perform the following procedure to replace a rubber bumper (13).

(1) Install rubber bumper (13), and secure to chassis (1) with screw (14), washer (15) and nut (16).

(2) Close front panel (17), and secure with three knurled captive screws.

5-23. Cable Assembly Repair. Cable assembly repair consists of removal and replacement procedures for the

connector plug electrical contact pins and sockets, and the connector plugs themselves. The following paragraphs

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