Wacker Neuson BS 50-4 Repair Manual page 70

Ramming System
See Graphic: wc_gr001325rm
4.3.15 Remove the ramming shoe per section Ramming Shoe. Separate the
4.3.16 Remove the two socket head cap screws that are opposite of each
4.3.17 Screw the two M8 x 120 threaded rods into the bottom of the spring
4.3.18 Turn the nuts down each rod until they contact the spring system
4.3.19 With the nuts holding the spring system cover, remove the remaining
4.3.20 Evenly back off both nuts until the springs have fully expanded and the
DANGER
4.3.21 Remove the spring system cover, the gasket, and the bottom spring
4.3.22 Install the bottom spring set into the spring cylinder.
4.3.23 Place a new gasket onto the spring cylinder.
4.3.24 Insert the two threaded rods through the opposite sides of the spring
4.3.25 Compress the springs by evenly screwing the two nuts down the
4.3.26 Install the socket head cap screws. Apply Loctite 243 and torque the
4.3.27 Reinstall the ramming shoe.
4.3.28 Attach the ramming system to the upper machinery.
wc_tx000286gb.fm
Threaded Rod Removal Method
ramming system from the upper machinery per section Bellows.
other on the spring system cover.
cylinder until they bottom out.
cover.
screws.
pressure is released.
Make sure the threaded rods are not turning out of the cylinder while
backing off the nuts. 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!
set.
Threaded Rod Installation Method
system cover and screw them into the spring cylinder until they bottom
out.
threaded rods until the spring system cover makes contact with the
spring cylinder.
screws to 24 Nm (18 ft.lbs.).
70
Rammer Repair