NPK E Series - Tamper Pad Operation

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OPERATION

OPERATING TECHNIQUES & PRECAUTIONS

TAMPER PAD OPERATION

Always use the full width of the pad when compacting. Using part of the pad to compact

can cause adapter tool breakage.

Main Page

Table of Contents2
Safety4
Introduction6
Carrier Machine Compatibility7
Hammer Specifications8
Structure9
- Structural Drawing9
Hammer Serial Number Location12
- SERIAL NUMBER LOCATION (Sn1)12
Hydraulic Installation13
- Backhoe/Excavator Hammer Lines13
- Skid Steer Hammer Lines13
- Hammer Control Valve13
- Skid Steer Hammer Flow Control Valve (Optional)14
- Prevention of Contamination15
- Hydraulic Quick Disconnects16
Mounting Installation18
- BACKHOES and EXCAVATORS18
- Skid Steers18
Removal from the Carrier18
- Removal from the Skid Steer19
- Mounting to the Carrier19
  - BACKHOES and EXCAVATORS19
- Mounting to the Skid Steer19
Lubrication20
- Greasing Procedure20
- Correct Function of Greasing and Grease Intervals21
- Correct Grease for Hydraulic Hammers21
  - Npk Hammer Grease22
- Auto Lube Systems23
- Auto Lube Grease Line Pre-Filling24
- Hammer Mounted Auto Lube Grease Line Pre-Filling27
  - Priming the Grease Line27
- Lubricant Terms and Definitions29
Auto Lube / Underwater Port Identification31
High Heat Application32
Start-Up Operation33
- Hammers that Are New, Rebuilt, or Have Been Inactive33
- Before Starting the Hammer34
- Daily Start-Up Procedure34
Operation35
- Safe Operating Instructions35
- Operating Techniques & Precautions36
- Tamper Pad Operation41
Impact Energy Transmission through Tools42
- Impact Stress Waves at the End of the Tool43
Tool Breakage44
- Tool Breakage Due to Excessive Bending Moment44
- Characteristics of the Broken Section44
- Tool Breakage Due to Excessive Wear of the Tool Holder Bushings45
- Chipping in Retaining Pin Slot47
- Deformation of the Retaining Pin Slot Sides47
- Deformation of the Tool Tip48
- Chipping of a Moil Point Tool Tip49
- Chipping of a Chisel Tool Tip49
- Temperature Related Tool Problems50
- Tool Breakage Due to Corrosion51
- Tool Breakage Due to Defective Material51
Routine Inspection and Maintenance52
Weekly Inspection53
Types and Applications of Tool54
- Standard Tools54
- Accessory Tools54
Tool Identification55
Tools56
- Changing the Tool56
- Maximum Tool to Tool Bushing Clearance57
- Tool Inspection59
- Chisel Tool Sharpening60
- Standard Length for Npk Tools61
- Tool Retaining Pin Inspection62
Torque Values for Hammer Fasteners63
Gas Charge64
- Nitrogen Gas Pressure64
- Gas Charging Kit64
- Checking the Gas Pressure65
- Charging the Hammer67
- Discharging the Gas Pressure68
Storage of Hydraulic Hammer69
Warranty Registration for New Units70
Tool Warranty71
Warranty Statements73
Notes and Records77

NPK E Series - Tamper Pad Operation

Table of Contents

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