Figure 3-13. Dipper latch bar adjustment.
surfaces must be kept lubricated, as required, to prevent
3-28. Crane, Clamshell, and Dragline Attachment
rust.
a. General Service. The components of the
b. Cable Roller and Boom Point Sheave Service.
crane attachment must be lubricated at the periodic
Refer to figure 3-14 and clean the cable rollers and boom
intervals listed in the current LO. When removed from
point sheaves. Inspect for wear, scoring, or grooving
the machine, the crane boom should be placed inside a
caused by contact between cables, rollers or sheaves.
suitable dry building if possible, preferably supported on
Report any such discrepancy to organizational
wooden blocking. Clean the crane boom, using a
maintenance.
suitable cleaning solution. All machined or finished
3-16
