TM-9-2320-272-24-1

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4

JUNE 1998

TM-9-2320-272-24-1 - Page 477 of 1015

TM 9-2320-272-24-1

3-34. ETHER START FUEL PRESSURE SWITCH (M939/A1) REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

EQUIPMENT CONDITION

M9391/A1

l

Parking brake set (TM 9-2320-272-10).

TOOLS

l

Left splash shield removed (TM 9-2320-272-10).

General mechanic’s tool kit (Appendix E, Item 1)

l

Battery ground cables disconnected (para. 3-126).

REFERENCES (TM)

TM 9-2320-272-10

TM 9-2320-272-24P

a. Removal

NOTE

Have drainage container ready to catch fuel.

1.

Disconnect two wires (2) from ether start pressure switch (3).

2.

Remove ether start fuel pressure switch (3) from bottom of fuel pump (1).

b. Installation

1.

Install ether start fuel pressure switch (3) on bottom of fuel pump (1).

2.

Connect two wires (2) to ether start pressure switch (3).

FOLLOW-ON TASKS: • Connect battery ground cables (para. 3-126).

l

Install left splash shield (TM 9-2320-272-10).

3-113