TM-9-2320-279-20-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3

TM-9-2320-279-20-1 - Page 897 of 985

TM 9-2320-279-20-1

Electrical System Maintenance Instructions (Cont)

7-88.

FUEL LEVEL SENSOR REMOVAL/INSTALLATION (M978).

This task covers:

a. Removal

c. Follow-on Maintenance

b. Installation

INITIAL SETUP

Models

M978

Test Equipment

None

Special Tools

None

References

None

Equipment Condition

TM or Para

Condition Description

Para 7-91

Batteries disconnected.

Para 16-52.1

Hose cover removed.

(some models only)

Supplies

Compound, sealing, pipe thread,

Item 18, Appendix C

Tags, identification, Item 48, Appendix C

Personnel Required

MOS 63S, Heavy wheel vehicle mechanic

Special Environmental Conditions

None

General Safety Instructions

No smoking, open flame, or sparks within 50

ft (15 m) of vehicle. Fire extinguisher

nearby.

a. Removal.

NOTE

There are two kinds of fuel level

sensors. Model A is made from

plastic, while Model B is made from

brass.

If fuel level sensor must be replaced

and same model is not available,

tank level indicator adjuster must.

also be replaced. Refer to

TM 9-2320-279-24P for proper parts

identification.

(1)

Remove nut (1).

NOTE

Tag and mark electrical connectors

before removal.

Model A has three connectors. Model

B has two connectors.

(2)

Disconnect two connectors (2) and

connector (3).

(3)

Remove bushing (4) and nut (1) from

line (5).

(4)

Remove fitting (6) from fuel level

sensor (7).

Change 3

7-319