M978 Tanker Maintenance Instructions (Cont)
Open V7 REEL VALVE (26)
and V8 REEL VALVE (27).
Do steps (22) and (23) for left
and right fuel service hoses.
Remove cap (28) and install
fuel service nozzle (29).
Squeeze lever on fuel
service nozzle (29) and
drain fuel from hose (30).
Push in on V6
VALVE handle (7) and drain
fuel from V11 FLOW VALVE
Pull out on V6
FUEL/DEFUEL CONTROL VALVE handle (7) after fuel stops draining.
Release lever (10). Rewind hoses (9) and HAV HAND ACTUATED CONTROL VALVE (8) in pump
Discontinue compressed air and
remove adapter fitting (13) from
filter-separator cover (6).
W A R N I N G
Adhesives, solvents, and sealing
compounds can burn easily, and give
off harmful vapors, and are harmful
to skin and clothing. To avoid injury
or death, keep away from open fire
and use in well-ventilated area. If
adhesive, solvent, or sealing
compound gets on skin or clothing,
wash immediately with soap and
(28) Apply pipe thread sealing
compound to threads of plug
and install in filter-separator