SETUP AND INSTALLATION 2250 OPERATOR MANUAL
4-48
Published 06-24-16, Control # 241-01
DRUM SPACER/LAGGING INSTALLATION
General
This section identifies the drum spacer and the lagging
components available for various crane applications. For
specific information about a lagging (part number and rope
sizes), see the Drum and Lagging Chart in the Capacity
Chart Manual provided with your crane:
• Front Drum (Figure 4-27
)
• Unequal Split Rear Drum (Figure 4-28
)
• Equal Split Rear Drum (Figure 4-29
)
NOTE: All drums are viewed from the rear.
Torque Values
Apply Loctite 243 (or equivalent thread-locking adhesive/
sealant) to the threads of Lebus fasteners and tighten to 678
Nm (500 ft-lb).
Tighten the spacer nuts coated with light engine oil to 81 to
102 Nm (60 to 75 ft-lb).
Installation of Mast Self-Erecting Wire Rope
NOTE: See the Wire Rope Installation and Maintenance in
Section 5 of the Crane Service Manual for the wire
rope anchoring and spooling procedure.
See Figure 4-28
for the following procedure.
1. Anchor the wire rope to the left rear drum.
2. Tightly wrap the first layer of the wire rope onto the left
rear drum.
3. Install the drum spacer over the first layer of the wire
rope so the spacer is tight against the outboard drum
flange.
4. Wrap the wire rope onto the drum until the drum is full.
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