Metso MP1000, Technical Reference Manual

Page: 122 / 180

SECTION 3 - M. FRAME, ADJ. RING, TRAMP REL. & CLRNG JACK ASSY
3-4
MP SERIES CONE CRUSHER TECHNICAL REFERENCE MANUAL
Figure 3-2 Main Frame Liner and Arm Guard
3.3.2 Main Shaft Replacement
The need to replace a main shaft should be
extremely rare. Due to the importance of obtaining
the proper fit between the main shaft and the main
frame hub, removal and installation of the main
shaft should be performed only by a factory
representative who has the proper training and
equipment.
3.3.3 Lower Thrust Bearing and Shim
Replacement
To replace a damaged or worn lower thrust bearing
or to add shims to restore proper gear and pinion
backlash and/or root clearance, proceed as follows
and refer to Figure 3-3:
1. To gain access to the thrust bearing, it will
first be necessary to remove the Bowl, Head,
Socket and Eccentric Assemblies. Refer to
the appropriate sections that follow for
information on removing these assemblies.
2. Remove the capscrews and spring washers
holding the lower thrust bearing in place.
Callout Description
1 Main frame
2 Main frame liner
3 Arm guard
4 Stationary guard
5 Counterweight guard
MP800 MP1000