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UPRIGHTS
FREELIFT UPRIGHT ASSEMBLY
B. REMOVAL
A. GENERAL
1.  Lower the carriage.  Remove the load arms.
(Fig. 1) Disconnect the high pressure and bleed back
The uprights are constructed of formed channel with
hoses from the carriage.
bronze strip bearings. The uprights are pivoted around
the axle housings of the drive axle and are held to the
axle by caps on the upright hangers. The strip bearings
are located between the inner and outer channel
members.
Besides a three-stage hoist cylinder and carriage, the
free lift upright assembly includes an inner upright and
an outer upright.
CARRIAGE
A. GENERAL
This is a hook type assembly equipped with canted load
rollers. This type of roller is designed to take the load
and side thrust.  The rollers are shim adjusted.  The
Figure 1.
bearings are shielded and lubricated for the life of the
bearing.
2.
Attach hoist to the carriage, and remove the
Working in conjunction with the latching mechanism is a
slack.
lug and block, The block lifts the inner upright while the
lug triggers the latching mechanism, at the end of the
3.  Disconnect the load chains from the carriage.
carriage free-lift stroke.
(Fig. 2)  Lift the inner upright until it is free of the
carriage.
When the free-lift stroke is completed, a latch on the
inner upright is locked around the lug, securing the
carriage to the inner upright. This block will be referred
to as a "lifting block".
Load arms on the hook type carriage are hooked over
the top of the upper crossmember, and held in position
by a spring-loaded pin and lever assembly. The pin is
pushed  into  notches  on  the  top  of  the  upper
crossmember by the spring.  Pulling up on the lever
disengages the pin so the load arm can be repositioned.
Figure 2.
4. Either back the truck away from the carriage or
pull the carriage away from the truck.
B-169

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