Figure 35. Crane main hoist shaft assembly, removal and installation.
assemblies. The jackshaft assembly consists of a main
drive sprocket, jackshaft-to-swing shaft drive sprocket,
main hoist shaft drive sprocket, jaw clutch assembly,
(5) Remove the jackshaft
Disassemble the jackshaft
143. Jackshaft Assembly Removal and Disassembly
assembly in numerical sequence as illustrated on figure
Jackshaft Assembly Cleaning, Inspection,
(1) Remove the transfer case, swing drive
chain guard, and main drum drive chain
guard (TM 5-3810-207-20).
a. Cleaning. Clean all parts with an approved
(2) Remove the power transfer chain swing
cleaning solvent and dry thoroughly.
shaft drive chain and main hoist power-
down chain (TM 5-3810207-20).
b. Inspection and Repair. Inspect all parts for
excessive wear or damage. Replace or repair all
(3) Remove the main drive sprocket (TM 5-