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 424 of 615

TM 9-2320-279-20-3

M978 Tanker Maintenance Instructions (Cont)

25-27. V13 VENT VALVE AND PUSH ROD REMOVAL/INSTALLATION/ADJUSTMENT (CONT).

c. Push Rod Adjustment.

(1)

Move push rod (1) up and down.

Measure movement on pin (2).

Movement must be 1/16 to 1/8 in. (2 to

3 mm).

(2)

Loosen jamnut (3).

NOTE

Plug-in valve may come out with push rod.

(3)

Pull up and remove push rod (1) from

valve (4).

NOTE

One turn of push rod is 1/16 in. (2 mm).

(4)

Turn push rod (1) clockwise to decrease

measurement, or counterclockwise to

increase measurement.

NOTE

Make sure push rod seats firmly on plug-in

valve.

(5)

Install push rod (1) in valve (4). Repeat

step (1).

(6)

Tighten jamnut (3) when adjustment is

finished.

d. Follow-on Maintenance.

(1)

Perform bottom loading

(TM 9-2320-279-10).

(2)

Check V13 vent valve for proper

operation (air should escape while

bottom loading).

(3)

Install tank filler lid (para 16-49).

END OF TASK

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