User Manuals: NPK DG-20A Demolition Grab

Manuals and User Guides for NPK DG-20A Demolition Grab. We have 1 NPK DG-20A Demolition Grab manual available for free PDF download: Instruction Manual

NPK DG-20A Instruction Manual

NPK DG-20A Instruction Manual (62 pages)

DEMOLITION GRAB

Brand: NPK | Category: Industrial Equipment | Size: 1 MB

Table of Contents

Table of Contents
2
Safety
3
- Operation
  4
- Maintenance
  5
Introduction
7
Excavator Compatibility
7
Serial Number Location
8
Specifications
9
Hydraulic Installation
19
- Hydraulic Lines
  19
- Shut-Off Valves
  19
- Port Connection Diagram
  20
Demolition Grab Hydraulic Circuits
21
Mounting Installation
24
- Mounting to the Excavator
  25
- Removal from the Carrier
  25
Storage of Demolition Grab
25
Operating Instructions
26
- Operating Techniques and Precautions
  28
General Maintenance
31
- Daily Inspection and Maintenance
  31
- Arm Maintenance
  32
- Frame Maintenance
  32
- Frame Crack Repair
  32
- Lubrication Points
  33
Slewing Ring Inspection and Maintenance
34
- Measuring Maximum Axial Movement
  34
Npk Assembly Lubricant
35
Rotary Joint Maintenance
36
Troubleshooting
41
Fastener Torque Charts
51
Pinion Gear Installation
55
Cylinder Torque Specifications
56
- Rod Nut and Piston Torques
  56
Convert from Dual Motor to Single Motor (Dg20, Dg30, Dg40)
57
Keywords for Common Demolition Grab Components
58
Warranty Statements
59
Notes
61
Service Record
61

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