TM 5-3810-288-12
Figure 3-18. Rake angle and retract cable adjustment
pawl and the boom hoist brake. Unereave the boom
hoist line and pull it from the boom hoist drum. The
lagging. To install the new cable, place the new cable
boom hoist drum can be used to. pay the line off the
reel beneath the boom point sheaves. Run the end of
drum under power if the (operator desires. When this is
the new cable over the boom point sheaves to the
done, one man standing on the ground must pull the
correct main drum. Refer to figure 2-14 and install the
cable out of the cab. Refer to figure 2-14 and remove
new cable wedge in the drum, being careful that the
the cable wedge to complete removal ,if the cable. Bring
cable goes over the top of the rear drum, or beneath the
the cable reel containing the new cable to a position
front drum. Very carefully and slowly spool the new
close to the upper spreader and near the boom. Starting
cable on the selected drum, using the proper drum clutch
at the center (equalizer) sheave of the upper spreader
lever. As this is done, one man should tap the new cable
reeve the boom hoist cable back to the dead end on the
into place on the drum with a soft hammer. A second
lower spreader as shown in figure 3-24. Pull the rest of
man should maintain some drag on the new cable reel
the cable off the new cable reel and reeve the other half
so the cable is under tension. The third man operates
of the boom hoist cable, back to the boom hoist drum, as
the proper drum clutch lever to wind the cable on the
shown in figure 2- 13. Install the new cable wedge in the
drum.
(2) Replacement of boom hoist cable. Provide
boom hoist drum as shown in figure 2-14. Very
;Carefully and slowly spool the new cable o the hoist
adequate wooden blocking to support the boom. Lower
drum As this is done. one man should tan the new
the boom until it is supported on blocking as illustrated in
cable into place with a soft hammer.
f. Clamshell and Drag-line Bucket Service and
lies on the boom. Refer to figure 3-24 and disconnect
the boom hoist cable from the lower spreader Refer to
and
release
the
boom
hoist
3-20
