Wacker Neuson BS 50-4 Repair Manual page 86

Crankcase
5.2.13 The crankgear needle bearing (19), oil seal (11), and ball bearing (10)
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5.2.14 Remove the O-ring (18) and discard it.
5.2.15 The clutch drum needle bearing (17) will remain intact in the bearing
wc_tx000287gb.fm
remain intact in the bearing mount.
Examine the needle bearings for wear.
If damaged, replace the needle bearings by removing the large retain-
ing ring (8) holding the ball bearing to the bearing mount and press
out the needle bearings and seal.
Replace the needle bearings and oil seal together.
mount. Inspect it for wear and if damaged, remove and replace it.
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Rammer Repair