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 417 of 615

TM 9-2320-279-20-3

M978 Tanker Maintenance Instructions (Cont)

CAUTION

Do not tear or otherwise damage coupling

gaskets during installation. If coupling

gaskets are damaged, piping connections

will leak.

(4)

(5)

(6)

(7)

(8)

Install coupling gasket (7) on V11 FLOW

VALVE (REG) (3).

Position adapter (8) against V11 FLOW

VALVE (REG) (3) and install coupling

gasket (7) over ends of valve and

adapter.

Hold adapter (8) in place and install two

coupling halves (9) with screws (10) and

nuts (11).

Make sure valve handle (12) is set to

closed position.

Install dust cap (13).

c. Follow-on Maintenance.

(1)

Perform filtered bulk unloading (TM 9-2320-279-10).

(2)

Check V11 FLOW VALVE (REG) for leaks.

(3)

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

END OF TASK

25-26. V12 BOTTOM LOAD PRECHECK VALVE REMOVAL/INSTALLATION.

This task covers:

a. Removal

c. Follow-on Maintenance

b. Installation

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 rear access

None

doors opened.

Supplies

Special Environmental Conditions

Compound, sealing, pipe thread, Item 18,

None

Appendix C

General Safety Instructions

Personnel Required

No

smoking, flame, sparks, and hot or glowing

MOS 63S, Heavy wheel vehicle mechanic

objects within 50 ft (15 m) of vehicle.

25-121