TM-9-2320-279-20-3

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

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

TM-9-2320-279-20-3 - Page 405 of 615

TM 9-2320-279-20-3

M978 Tanker Maintenance Instructions (Cont)

CAUTION

Do not pinch or pull coupling

gaskets off-center while

installing coupling halves. If

coupling gaskets are damaged

or moved out of position,

piping connections will leak.

(4)

(5)

Install two coupling

halves (6) on coupling

gasket (1) with screws (7)

and nuts (8).

Install two coupling

halves (9) on coupling

gasket (2) with screws (10)

and nuts (11).

c. Follow-on Maintenance.

(1)

Perform fuel servicing

(TM 9-2320-279-10).

(2)

Check V7 or V8 REEL

VALVE connections for leaks.

(3)

Close pump module rear access doors (TM 9-2320-279-10).

END OF TASK

25-23. V9 CHECK VALVE REMOVAL/REPAIR/INSTALLATION.

This task covers:

a. Removal

d. Assembly

b. Disassembly

e. Installation

c. Cleaning/Inspection

f. Follow-on Maintenance

INITIAL SETUP

Models

References

M978

None

Test Equipment

Equipment Condition

None

TM or Para

Condition Description

Special Tools

TM 9-2320-279-10 Pump module top access

None

door opened.

Supplies

Special Environmental Conditions

Compound, sealing, pipe thread, Item 18,

None

Appendix C

Oil, lubricating, Item 32, Appendix C

General Safety Instructions

Solvent, dry cleaning, Item 47, Appendix C

No smoking, flame, sparks, and hot or glowing

objects within 50 ft (15 m) of vehicle.

Personnel Required

MOS 63S, Heavy wheel vehicle mechanic

25-109