TM 9-2320-279-20-3
M978 Tanker Maintenance Instructions (Cont)
25-26. V12 BOTTOM LOAD PRECHECK VALVE REMOVAL/INSTALLATION (CONT).
(6) Move handle (8) to down
position.
(7) Install two tubes (9 and 10) on
elbow (1) and adapter (4).
c. Follow-on Maintenance.
(1) Perform bottom loading
(TM 9-2320-279-10).
(2) Check V12 bottom load
PRECHECK VALVE for leaks.
(3) Close pump module rear
access doors
(TM 9-2320-279-10).
END OF TASK
25-27. V13 VENT VALVE AND PUSH ROD REMOVAL/INSTALLATION/ADJUSTMENT.
This task covers:
a. Removal
c. Push Rod Adjustment
b. Installation
d. Follow-on Maintenance
INITIAL SETUP
Models
Equipment Condition
M978
TM or Para
Condition Description
Test Equipment
Para 25-3
Tank drained.
None
Para 16-49
Tank filler lid removed.
Special Tools
Special Environmental Conditions
None
None
Supplies
General Safety Instructions
Adhesive-sealant, silicone, Item 4, Appendix C
No smoking, flame, sparks, and hot or glowing
Personnel Required
objects within 50 ft (15 m) of vehicle. Read and
follow all safety precautions in
MOS 63S, Heavy wheel vehicle mechanic
TM 9-2320-279-10 and FM 10-71.
References
FM 10-71
25 - 124