NPK U31JR Manuals

Manuals and User Guides for NPK U31JR. We have 1 NPK U31JR manual available for free PDF download: Operation And Maintenance Manual

NPK U31JR Operation And Maintenance Manual

NPK U31JR Operation And Maintenance Manual (122 pages)

SECONDARY CONCRETE CRUSHERS

Brand: NPK | Category: Tools | Size: 4 MB

Table of Contents

Table of Contents
2
Safety

4
- Operation
  5
- Maintenance
  6
Introduction

8
Excavator Compatibility

8
Model Specifications

9
Serial Number Location

21
- U21J/Jr, U31J/Jr, U45J/Jr
  21
- G7, G18J, G26J
  22
- G30Jr
  23
Crusher Booster & Cylinder

24
- Introduction
  24
- Structure of the Boosted Cylinder
  25
- Operating Principle
  26
Hydraulic Installation

33
- Hydraulic Kits
  33
- Flow Direction
  33
- Shut-Off Valves
  34
- Test Port Locations
  34
- Prevention of Contamination
  36
- Hydraulic Quick Disconnects
  37
Mounting Installation

39
- Mounting to the Carrier
  40
- Removal from the Carrier
  41
Storage of the Crusher

41
Hose Installation

42
- Whip Hose Installation Tips
  42
Operating Instructions

44
Operating Techniques and Precautions

46
General Maintenance

49
- Daily Inspection and Maintenance
  49
- Lubrication Points
  50
- Hose Installation Tips
  52
- Cutter Blade Maintenance
  54
Jaw Inspection and Maintenance

57
Main Frame Rework Guide

65
Frame Maintenance - Repair of Main Frame

66
- Route Weld Repair
  66
Inspection and Maintenance

68
- Booster Cylinder
  68
- Cylinder Components
  71
- Repair Tools and Equipment
  73
Top Bracket Conversion

80
- Conversion Packages Offered for "U" Series Crushers
  80
Slewing Ring Inspection and Maintenance

81
- Measuring Maximum Axial Movement
  81
- Rotation Bearing Outer Dirt Seal Replacement
  82
Crusher Relief Locations

83
- U21J, U21Jr, U31J, U31Jr, U45J, U45Jr, G30Jr
  83
- G7, G18J, G26J
  83
Swivel Manifold Maintenance

85
Fastener Torque Specifications

89
Hose Torque Specifications

96
- Jic Ends
  96
- Orfs Ends
  96
Troubleshooting

97
- Relief Valve Location
  103
Keywords for Common Crusher Components

117
Keywords for Common Crusher Cylinder Components

118
Warranty Statements

119

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