Figure 3-98. Drum Lagging, removal and installation.
remove the two nuts, washers and bolts that hold halves
sprocket, which must be removed when converting to
together, then lift lagging off drum.
any other front end attachment.
(5) Remove remaining lagging in a similar
b. Removal and Installation.
manner.
(1) Remove revolving frame crowd and
(6) Install in reverse order.
retract chain (para 4-3).
b. Cleaning, Inspection, and Repair.
(2) Refer to view A of figure 3-101 and
remove shovel sprocket.
(1) Clean all parts in an approved cleaning
solvent and dry thoroughly.
(3) Refer to view B of figure 3-101 and
remove planetary pinion gear.
(2) Visually inspect mounting hardware for
worn, burred, or stripped thread condition. Inspection
lagging for wear, cracks, or other damage.
Note. Lubrication arrangement (view
A, fig. 3-101) for sprocket installation
(3) Repair by replacing defective mounting
must be modified to that shown in
hardware, and replacement of damaged or defective
lagging.
figure 3-100 when other front end
attachments are installed.
Note. When lagging is removed for
conversion to another front end
(4) Install in reverse order.
attachment, the removed lagging
c. Cleaning, Inspection and Repair.
must be prepared for storage.
(1) Clean all parts in an approved cleaning
solvent and dry thoroughly.
c. Lubrication.
Refer to figure 3-100, lubrication
(2) Visually inspect mounting hardware for
fitting arrangement.
burrs, stripped threads or other damage.
Inspect
sprocket or pinion for cracks, breaks, excessive wear, or
3-125. Shovel Sprocket and Planetary Pinion Gear
other damage.
a. General. The shovel front end attachment
(3) Repair by replacing damaged or defective
requires installation of planetary pinion gear and shovel
3-106
