(3)
Remove the vertical reversing shaft
assembly (para. 606).
(4)
Remove the vertical swing shaft
assembly as instructed on figure 286.
b.
Disassembly.
Disassemble the vertical
reversing shaft assembly in numerical sequence as
shown on figure 287.
611. Crane Vertical Swing Shaft Assembly
Cleaning, Inspection, and Repair
a.
Cleaning. Clean all parts with an approved
cleaning solvent and dry thoroughly.
b.
Inspection and Repair. Inspect all parts for
excessive wear or damage. Replace or repair all
defective parts.
Figure 287. Crane vertical swing shaft assembly.
612. Crane Vertical Swing Shaft Assembly
Reassembly and Installation
a.
Reassembly.
Reassemble the vertical
swing shaft assembly in reverse of the numerical
sequence shown on figure 287.
b.
Installation.
(1) Install the vertical swing shaft
assembly as instructed on figure 286.
(2) Install the vertical reversing shaft
assembly (para. 608).
(3) Install the horizontal reversing shaft
assembly (para. 604).
(4) Install the hoist drum shaft and crane
cab assembly (paras. 592 and 296).
Figure 286. Crane vertical swing shaft assembly,
removal and installation.
Section LXXX. CRANE AUXILIARY SHAFT ASSEMBLY
(POWER LOAD LOWERING)
613. General
614. Crane Auxiliary Shaft Assembly
The crane auxiliary shaft assembly is used for
Removal and Disassembly
power load lowering to power-down a load under power
a.
Removal.
at a speed controlled by the engine throttle setting. The
(1) Remove the crane cab assembly and
auxiliary shaft assembly is gear driven and mounts to
hoist drum shaft (paras. 296 and 590).
the revolving frame with two bearings.
AGO 6819A
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