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INTRODUCTION
This comprehensive instruction manual contains instructions for repairing and
maintaining NPK PNEUMATIC HAMMERS. This manual includes helpful information
for obtaining the full potential and efficiency from NPK PNEUMATIC HAMMERS.
Please read this manual thoroughly to understand the NPK PNEUMATIC HAMMER and
its operating principles before using it.
For additional information or help with any problem encountered, please contact your
NPK authorized dealer.
Whenever repair or replacement of component parts is required, only NPK parts should
be used. NPK is not responsible for failures resulting from substitution of parts not sold
or approved by NPK.
BASIC OPERATING INSTRUCTIONS
•
READ OPERATORS MANUAL
Do not pry with tool.
Apply down force perpendicular to work surface.
Important:
It is imperative that grease is maintained in the tool bushing contact area at all times.
This may require hourly greasing depending on job conditions.
Important:
The hammer must be in a vertical position with downforce applied to push the tool all
the way in. This prevents grease from entering piston impact area.
USE A GOOD QUALITY, HIGH TEMPERATURE EP #2 GREASE CONTAINING
ANTIWEAR ADDITIVES.
If machine is equipped with an AUTO LUBE System, check grease reservoir daily.
•
PERFORM VISUAL INSPECTIONS DAILY
Do not operate with loose or missing fasteners, tie rods, etc.
•
DO NOT SUBMERGE HAMMER UNDERWATER