Repair Engine and Upper Machine Components
wc_tx001546gb.fm 87
4.29 Clutch (DS 70 only)
See Graphic: wc_gr002372rm
Recommended Tools
Impact wrench
Torque wrench
Needle-nose pliers
Clutch puller P/N 0153566
Removal
4.29.1 Remove the engine from the rammer.
4.29.2 Check the condition of the clutch shoes (a) and replace them if
necessary. The clutch shoes should be absolutely dry. If oil is present,
inspect the engine shaft seal.
4.29.3 Prevent the clutch from turning and use an air impact wrench to loosen
the clutch bolt (b). If an impact wrench is not available, rap the wrench
handle sharply to help break the bolt loose.
Note: Loosen the bolt but do not completely remove it from the engine
crankshaft. This will protect the crankshaft threads from the clutch
puller screw.
4.29.4 Screw the clutch puller (P/N 0153566) (c) (or other suitable puller) into
the small holes in the clutch and turn the center screw against the end
of the crankshaft until the clutch hub breaks free of the taper.
Installation
4.29.5 Place the clutch on the engine crankshaft.
4.29.6 Reinstall the clutch bolt and torque to 27 Nm (20 ft.lbs.).
4.29.7 Reinstall the engine on the crankcase. Torque the screws to 49 Nm (36
ft.lbs.).
4.29.8 Perform an operation check. The clutch should be disengaged with the
throttle at the idle position.
Engine Speed (idle) (rpm): 1050 ± 50
Clutch Engagement (rpm): 2500 ± 200
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