TM 9-2320-279-20-3
(8)
M978 Tanker Maintenance Instructions (Cont)
Install locknut (12) on control rod
guide (2).
(9) Push in and pull out knob (7) to check
operation of V6 FUEL/DEFUEL
CONTROL VALVE control rod (5).
c. Follow-on Maintenance. Close pump
module rear doors (TM 9-2320-279-10).
END OF TASK
25-21. V6 FUEL/DEFUEL CONTROL VALVE REMOVAL/INSTALLATION.
This task covers:
a. Removal
c. Follow-on Maintenance
b. Installation
INITIAL SETUP
Models
Equipment Condition
M978
TM or Para
Test Equipment
TM 9-2320-279-10
None
Special Tools
Para 25-20
None
Supplies
TM 9-2320-279-10
None
Condition Description
Pump module rear access
doors opened.
V6 FUEL/DEFUEL
CONTROL VALVE control rod
removed.
Right side access panel
removed.
Personnel Required
Special Environmental Conditions
MOS 63S, Heavy wheel vehicle mechanic (2)
None
References
General Safety Instructions
None
No smoking, flame, sparks, and hot or glowing
objects within 50 ft (15 m) of vehicle.
25-99
