TM 9-4910-707-14&P
CHUCKING WHEELS & RIMS (Continued)
7 . Engage the chuck control pin in the nearest slot
--
and place in the inner hold position. Tighten the chuck
by pushing back on the rotation (red) control lever.
6. Pull out the chuck limit control lock and turn ap-
While the chuck is expanding, guide the lower jaw
p r o x i m a t e l y 90 degrees. T h i s will allow the chuck to
into position by swinging the tire in or out at the bot-
tighten.
tom. Continue to tighten the chuck until pressure gauge
indicates 600 PSI. DO NOT OVER TIGHTEN.
9. Turn the chuck limit control lock until the retain-
8.
Pull
back
slightly
on
the
rotation
(red)
control
ing pin drops into the slot. (This prevents the chuck
lever. This will relieve the pressure on the chuck lock
f r o m automatically over-tightening.)
pin, allowing it to be disengaged from the slot in the
chuck casting. Place chuck lock pin in outer position
of holding bracket.
Il. LOOSENING THE CHUCK
B . Engage the chuck control pin in the nearest slot
A. Swing the boom down until tire is approximately
and lock in outer hold position. Pull the rotation lever
3" from the floor. (If the tire has been removed from
(red) forward to loosen the chuck. As soon as the
the rim or wheel, swing the boom to the lowest posi-
chuck is free swing the tire assembly out on bottom
tion.) Rotate the chuck until one chuck arm is pointing
and lower it to the floor. If removing an empty rim or
straight down.
wheel, merely loosen chuck and lift the assembly from
the machine.
7
