TM-3-1040-279-12-P

GENERATOR SET, SMOKE, MECHANICAL: PULSE JET, M157 W/120 GAL FOG OIL TANK AND W/80 GAL FOG OIL TANK

TECHNICAL MANUAL; OPERATOR’S AND ORGANIZATIONAL MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST AND DEPOT MAINTENANCE REPAIR PARTS

MAY 1987

TM-3-1040-279-12-P - Page 164 of 389

TM 3-1040-279-12&P

4-24 PRESSURE SWITCH BRACKET ASSEMBLY (CONT).

b. Air Pressure Switch S106.

c. Oil Pressure Switch S103.

d. Fuel Pressure Switch S108.

NOTE

Removal and installation procedures are the

same for all three switches.

REMOVAL

1. Remove pressure switch bracket assembly from equipment container (P. 4-72).

2. Remove elbow (1) from pressure switch (2). Tag switches for identification.

3. Remove five screws (3), ten washers (4), five spacers (5), five nuts (6), preformed packings (7),

and (8), and retainer channel (9).

4. Disassemble pressure switch bracket assembly and replace pressure switch.

5. Replace preformed packings (7) and (8) as required.

INSTALLATION

1.

2.

3.

4.

Position pressure switch (2), in pressure switch bracket (10).

Secure pressure switch bracket (10) using five screws (3), ten washers (4), five spacers (5), five

nuts (6), preformed packings (7) and (8), and retainer channel (9).

Install elbow (1) on pressure switch (2).

Install pressure switch bracket assembly in equipment container (P. 4-72).

4-100