TM5-3810-305-10
Preparing the Upperstructure for Lift
1. Remove wedge block from tool box and
locate it near winch.
2. Start engine. Lower hook block to ground.
Pay out a loop of cable approximately 18 ft
(5.49 m) from winch to reach up to sheave
clevis at top of lift arm (16, Figure 5-36).
Using wedge block, wedge cable to prevent
cable unspooling (Figure 5-6).
3. Take loose sheave (14, Figure 5-36) that was
removed from lift arm (16) in step 5.a of
Preparation for Assembly and insert it in
slack of cable.
4.
5.
Check that all pins and pinlocks
are installed and secured prop-
erly. DEATH or serious injury
may result if upperstructure
comes loose.
Raise sheave (14) and cable up into clevis on
lift arm (16) and using sheave pin (13), install
sheave (14) in clevis. Swing lift arm (16)
over upperstructure.
Maintain tension on end of cable and remove
wedge block from cable spool. Operate
winch until hook block is secured to boom
head.
Figure 5-6. Wedge Block in Winch Drum
r
Figure 5-36 Preparing Upperstructure for Lift
5-32
