SECTION 2 - GENERAL INSTALLATION INFORMATION
MP SERIES CONE CRUSHER TECHNICAL REFERENCE MANUAL
2-25
2.13 Jack Shaft Drive
Due to the large belt pull the motor shaft and
bearings must handle, a system with the motor
sheave mounted directly on the shaft would require
a special crusher drive motor that is very expensive.
To minimize motor cost, we recommend a jack
shaft drive design (refer to Figure 2-14) for use in
conjunction with our recommended V-belt drive.
Figure 2-14 Recommended Jack Shaft Drive Arrangement
2.14 Direct Drive
Flexible Coupling Removal
Remove the flexible coupling half from the
countershaft as described in the coupling
manufacturer’s instructions.
Flexible Coupling Installation
(See Figure 2-15)
For the initial installation or when reassembling the
flexible coupling on a direct drive arrangement,
proceed as follows:
1. Disassemble the coupling.
Callout Description Callout Description
1 Crusher sheave 4 Jack shaft
2 Electric motor 5 Motor sheave
3 Flexible coupling 6 Pillow block
1
2
3
4 6 5 6
2
5
6
3
6
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