Wacker Neuson BS 50-4 Repair Manual page 72

Ramming System
See Graphic: wc_gr001326
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.3.6
4.3.7
DANGER
4.3.8
4.3.9
4.3.10 Place a new gasket onto the spring cylinder.
4.3.11 Align three holes in the spring box tool with three holes in the spring
4.3.12 Insert the three spring box screws through the selected holes in the
4.3.13 Turn the spring box screws into the spring cylinder until they bottom
4.3.14 Turn the hex head cap screw through the center of the spring box tool
4.3.15 Install the socket head cap screws. Apply Loctite 243 and torque the
4.3.16 Reinstall the ramming shoe.
4.3.17 Attach the ramming system to the upper machinery.
wc_tx000286gb.fm
Spring Box Tool Removal Method
Remove the ramming shoe per section Ramming Shoe. Separate the
ramming system from the upper machinery per section Bellows.
Align three holes in the spring box tool (a) with three socket head cap
screws in the spring system cover.
Remove the three socket head cap screws that align with the holes in
the spring box tool.
Place the spring box tool on the spring system cover. Insert the three
spring box screws (c) through the three selected holes in the spring
box tool and turn the screws into the spring cylinder until they bottom
out.
Turn the hex head cap screw (b) through the center of the spring box
tool until the spring box tool reaches the top of the spring box screws.
With the spring box tool holding the spring system cover, remove the
remaining spring system cover screws.
Back off the hex head cap screw until the springs have fully expanded
and the pressure is released.
The spring system cover is under heavy pressure. It must be carefully
removed and installed using either the hydraulic press, the threaded
rod, or the spring box tool method. If the spring system cover is
removed incorrectly, the springs can eject with enough force to cause
serious injury or death!
Remove the spring system cover, the gasket, and the bottom spring
set.
Spring Box Tool Installation Method
Install the bottom spring set into the spring cylinder.
system cover.
spring box tool and spring system cover.
out.
until the spring system cover makes contact with the spring cylinder.
screws to 24 Nm (18 ft.lbs.).
72
Rammer Repair