TM 55-1905-220-14-6
3-121. CONTROLLER - MAINTENANCE INSTRUCTIONS (Continued).-
LOCATION
ITEM
ACTION
REMARKS
INSPECTION (Cont)
B. INTERNAL INSPECTION
Disconnect electrical power. Failure to do so is hazardous to personnel and can cause death.
Do not open controller box until power has been turned off and disconnected.
Disconnect power to the winch whenever working on the ramp gate, the wire rope, or in the vicinity
of the winch in the winch room.
2. Con-
a. Con-
1. Turn captive screws
Open front
troller
troller
(3 and 4) counter-
panel.
box (1)
front
clockwise.
panel
(2)
b. Wire
1. Check for frayed,
Replace if
connec-
broken, loose or
necessary.
tion
worn wiring.
2. Check for burned,
Replace if
damaged, or defect-
necessary.
ive wiring.
c. Trans-
1. Check for damage.
Burn marks,
former
loose connec-
(11)
tion.
d. Fuse
1. Check for damage.
block
(12)
2. Check for loose fuses.
3. Check fuses (13).
3-2032