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4
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CONTENTS
MAXIMUM TOOL TO TOOL BUSHING CLEARANCE ...........................................84
NPK HYDRAULIC HAMMER IMPACT BUSHINGS ................................................86
TOOL INSPECTION................................................................................................87
CHISEL TOOL RESHARPENING ...........................................................................88
STANDARD LENGTH FOR NPK TOOLS ...............................................................89
RETAINING PIN......................................................................................................90
LUBRICATION ........................................................................................................91
AUTOLUBE/UNDERWATER PORT IDENTIFICATION ..........................................94
TOOL BUSHING REPLACEMENT .........................................................................95
TOOL HOLDER BUSHING BORE REPAIR............................................................98
TOOL HOLDER ......................................................................................................101
REPLACEMENT OF TIE RODS .............................................................................102
MAXIMUM ELONGATION OF TIE RODS...............................................................104
TORQUE CHART....................................................................................................105
TORQUE VALUES FOR HAMMER FASTENERS ..................................................106
MOUNTING PLATE ................................................................................................107
WARRANTY REGISTRATION FOR NEW UNITS ..................................................108
WARRANTY STATEMENT .....................................................................................109
STORAGE OF HYDRAULIC HAMMER ..................................................................110
DECIMAL CONVERSION CHART ..........................................................................111
REBUILD SPECIFICATIONS CHECK SHEETS .....................................................112
NOTES....................................................................................................................119
SERVICE RECORD ................................................................................................119