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Metso Nordberg MP Series User Manual

Metso Nordberg MP Series
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Section 4
Countershaft, Countershaft Box &
Sheave Assemblies
4.1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2 Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2.1 Countershaft Box Assembly Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2.2 Crusher Sheave Installation (V-Belt Drive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
4.2.3 Crusher Sheave Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
4.2.4 Flexible Coupling Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
4.3 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
4.3.1 Countershaft Box Disassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
4.3.2 Pinion Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
4.3.3 Countershaft Bushing Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
4.3.4 Inspection Prior to Bushing Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
4.3.5 Countershaft Bushing Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
4.3.6 Countershaft Box Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
4.3.7 Oil Leakage from Drive End of Countershaft Box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
4.3.8 Oil Leakage from Pinion End of Countershaft Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18

Table of Contents

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Metso Nordberg MP Series Specifications

General IconGeneral
BrandMetso
ModelNordberg MP Series
CategoryIndustrial Equipment
LanguageEnglish

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