Section XIII. CRANE ENGINE CLUTCH ASSEMBLY
335. General
337. Crane Engine Clutch Assembly Cleaning,
The crane engine is equipped with a friction-type twin-
Inspection, and Repair
disk clutch assembly that is enclosed within its own
a. Cleaning. Clean all parts with an approved
housing and is bolted to the engine fly wheel housing.
cleaning solvent and dry thoroughly.
Engagement and disengagement of the clutch is by lever.
b. Inspection and Repair.
Inspect drive plate
The friction plate is engaged by splines into a driving
segments for heat discoloration. Inspect all parts for
plate bolted to the flywheel.
excessive wear and damage. Check and play for proper
336. Crane Engine Clutch Assembly Removal and
clearance of 0.004 to 0.007 inch. Replace or repair all
Disassembly
defective parts.
a. Removal.
338. Crane Engine Clutch Assembly Reassembly and
(1) Remove the primary drive chain case
Installation
cover, drain chain, and drive gear (para. 196).
a. Reassembly.
Reassemble the engine clutch
(2) Remove the engine clutch assembly as
assembly in the reverse of the numerical sequence as
instructed on figure 189.
illustrated on figure 190.
b. Disassembly. Disassemble the engine clutch
b. Installation.
assembly in numerical sequence as illustrated on figure
(1)
Install the engine clutch assembly as
illustrated on figure 189.
(2)
Install the primary drive chain case cover,
drive chain, and drive gear (para. 196).
Figure 189. Crane engine clutch assembly, removal and installation.
AGO 6819A
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