Wacker Neuson BS 50-4 Repair Manual page 89

Rammer Repair
5.3.14 If the needle bearing was removed, press a new bearing into the cover
5.3.15 Press the clutch drum ball bearing into the crankcase.
5.3.16 Secure the bearing with the large retaining ring.
5.3.17 Pack the shaft seal cavity with Shell Alvania RL2 grease. Install the
5.3.18 Press the clutch drum into the crankcase.
5.3.19 Secure the clutch drum with the small retaining ring.
5.3.20 Assemble the cover to the crankcase. Apply Loctite 243 and torque the
5.3.21 Connect the crankcase to the ramming system as follows:
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a
Assembly
until the outer race is flush with the flange surface.
NOTICE: Keep the inside of the clutch drum absolutely free of any oil
and grease.
shaft seal with the open side facing toward the bearing.
screws to 49 Nm (36 ft.lbs.).
a. Position the upper machinery over the guide cylinder.
b. Align the connecting rod inside the ram.
c. Install the piston pin and the end plugs.
Note: Use new end plugs whenever the piston pin has been removed.
d. Fasten the guide cylinder to the crankcase. Apply Loctite 243 and
torque the screws to 43 Nm (32 ft.lbs.).
e f
d
c
b
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89
Crankcase