Wacker Neuson BS 50, Руководство по ремонту, Страница: 115 / 156

Rammer Repair Crankcase
wc_tx001548gb.fm
115
6.3 Clutch Drum
See Graphic: wc_gr001335rm
Recommended Tools
Hex Key: 8 mm
Large diameter retaining-ring pliers
Hydraulic press
Screwdriver
Slide hammer
Torque wrench
Loctite 243 (blue)
Shell Alvania RL2
Removal
6.3.1 Remove the four socket head cap screws that secure the ramming
system to the crankcase.
6.3.2 Stand on the ramming shoe and pull up hard on the crankcase until the
pin holding the connecting rod to the ram is visible.
6.3.3 Drive out the end plugs and the piston pin.
6.3.4 Lift the upper machinery from the ramming system.
6.3.5 Remove the engine.
6.3.6 Remove the four socket head cap screws from the front cover.
6.3.7 Insert a screwdriver into the slots on each side of the cover and pry off
the cover. The cover will come out with the crank gear and the
connecting rod attached.
Note:
The crankcase cover cannot be removed until the connecting
rod is detached from the ram.
6.3.8 Remove the small retaining ring (b) from the clutch drum shaft (f)
inside the crankcase.
6.3.9 Press the clutch drum free of the crankcase.
6.3.10 Remove the shaft seal (e) .
6.3.11 Remove the large retaining ring (d) .
6.3.12 Press the clutch drum bearing (c) from the crankcase.
6.3.13 The needle bearing (a) remains intact in the crankcase cover. Inspect
the needle bearing for wear and, if damaged, remove it by using a slide
hammer or similar pulling device.