TM 9-2320-279-10-1
Controls and Indicators (Cont)
Figure 2-10. M978 Tanker
Key
Control or Indicator
1
Hose Reel Tension Knob
2
MC MANUAL CONTROL EM
VALVE Control
3
SR1 STATIC REEL
SR2 STATIC REEL
Module Controls - Far Right and Left.
Function
Secures reel in position to keep hose from
unwinding when not in use.
Controls valve (V1) which allows fuel flow out of
tank. Valve is pulled back to open in all
operations except top load or bottom load.
Prevents buildup of static electricity during
operation. One cable is connected to vehicle
being fueled or defueled. Other cable is
connected to grounding ring or stake.
4
Handcrank
Rewinds hose onto reel.
5
Pump Engagement Lever
Engages main pump when lever pushed
forward. Disengages pump when lever pulled
back. Allows use of remote hydraulics when
latch lifted and lever pulled full back.
6
HAV HAND ACTUATED
Starts fuel flow when handle depressed. Stops
CONTROL
fuel flow when handle released.
Change 5
2-15
