PRESSURE SWITCH BRACKET ASSEMBLY. - TM-3-1040-279-12-P0162

TM 3-1040-279-12&P

4-24 PRESSURE SWITCH BRACKET ASSEMBLY.

This task covers replacement of:

c. Oil Pressure Switch S103 (P. 4-100).

a. Cable Assemblies W13, W15,

or W16 (P. 4-98).

d. Fuel Pressure Switch S108 (P. 4-100).

b. Air Pressure Switch S106 (P. 4-100).

Materials

INITIAL SETUP

Sealing Compound (Item 11A, App E)

General Safety Instructions

Tools

General Mechanic's Automotive Tool Kit

Before performing any maintenance procedures

be sure circuit breaker CB1 is in OFF position.

SC 5180-90-CL-N26

a. Cable Assemblies W13, W15, or W16.

NOTE

Procedures for removal and installation of

three cable assemblies are the same.

REMOVAL

1. Remove equipment container from smoke generator (P. 4-68).

2. Remove eight screws (1) and washers (2) and remove right equipment container panel (3).

3. Remove eight screws (4) and washers (5) and remove left equipment container panel (6).

4. Disconnect air pressure hose (7) from pressure switch bracket assembly (8).

5. Remove four screws (9), washers (10), and flat washers (11) and remove pressure switch bracket

assembly (8).

6. Disconnect cable assembly (12) from pressure switch (13).

7. Disconnect wire leads from terminal board (14) and remove cable assembly from equipment

container (15).

INSTALLATION

NOTE

TB 21 is wired right to left.

1. Connect cable assembly leads to terminal board TB12 (14). Coat terminal board screw threads

with sealing compound before securing leads.

2. Connect cable assembly (12) to pressure switch (13).

3. Position pressure switch bracket assembly (8) and secure with four screws (9), lock washers (10)

and flat washers (11).