TM 5-3825-229-14&P
2-23. DISCONNECTING WATER DISTRIBUTOR FROM TRUCK-TRACTOR
a.
Lowering Landing Gear.
(1) Unhook crank and push crank in to put landing
leg gear box in high-speed mode.
(2) Turn crank counterclockwise and extend legs
until contact with ground is made.
(3) Pull the crank out to engage to low-speed
gears and continue cranking counter-clockwise
another 3-4 turns.
NOTE
To prevent landing legs from sinking in
soft ground, place float pads (ground
board assemblies) under landing shoes.
b.
Disconnecting Air and Electrical Lines.
(1) Close shutoff valves for the air lines on the
towing vehicle.
(2) Disconnect
both
the
SERVICE
and
EMERGENCY air hoses at the glad-hand
couplers on the semitrailer.
(3) Disconnect electrical cable at semitrailer.
(4) Be sure that the covers on the electrical
connectors and glad-hands have been properly
installed.
(5) Remove remote control box from truck-
tractor and store in tool box on curb side of
semitrailer. Be sure control box cable is
secured on hooks on side of semitrailer.
c.
Disconnecting Semitrailer from Truck-Tractor.
(1) Pull the fifth wheel kingpin release lever and
be sure the jaws open.
NOTE
If the jaws on the fifth wheel do not open, try
either raising or lowering the landing legs one
turn of the crank and repeat step (1).
(2) Slowly drive the truck-tractor forward until the
kingpin plate has cleared the truck-tractor.
2-38
