Fig. 53
Fig. 54
11.12 Installing the arms & restraints
•
Before installing arms, raise carriages to a conv-
enient height. Grease swivel arm pins and holes
with Lithium grease. Slide arm into yoke, Fig. 53.
Install 1-3/4" diameter arm pin(s), Fig. 53.
•
After installing arms and pins, install arm Restraint
Gears as follows: Install Restraint Gear onto arm
clevis, as shown, Fig. 54. Ensure side of gear
marked TOP is facing upward, Fig. 54.
TOP is stamped on top side of gear.
You may need to pull up on the pin-
ring to allow enough room to install
Restraint Gear.
•
Then, install the (3) 3/8"-16NC x 1-1/2" grade 8
HHCS (12 total for all 4 arms) and 3/8" Spring Lock
washers into the gear and arm, but do not tighten.
Reference Fig. 55, Fig. 56, and Fig. 57.
Torque the Restraint Gear bolts to 30-34 ft.-lbs.
A Installation Pinch Point Keep
Hands Above Groove
Fig. 54 Detail
A TOP will be marked on top side of restraint
gear.
B NOTE beveled gear orientation
A
CAUTION
a63 .giF
A
B
b3 .giF
Fig. 55 .
To check operation of arm restraints, raise
carriage 25 min. from full down position. Pull
up on pin-ring and adjust arms to desired po
sition. To engage restraint, let pin-ring down
allowing gear teeth to mesh together. It may be
necessary to rotate arm slightly to engage gear
teeth.
Pin & Ring, Spring, & Gear Block are all pre
assembled.
12.1 Safety instructions for connecting
power cables
IMPORTANT
Once arm is installed in yoke, pull up
actuator pin and swing arm fully
around, being sure that the Restraint
Gear and Gear Block always stay
aligned. If they do not stay aligned, remove
restraint gear and install in the opposite position.
12.1 Safety instructions for connecting
power cables
c04 .giF
52
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