Recommended Carrier Weight
20 - 28 US tons
18.1 - 25.4 metric tons
|Impact Energy Class||3,000 ft lbs|
|Impact Frequency||500 - 670 bpm|
|Oil Flow||40 - 53 gpm||150 - 200 lpm|
|Operating Pressure||2,600 psi||180 bar|
|Tool Diameter||5 in||126 mm|
|Tool Working Length||24 in||608 mm|
|Hammer pre-delivery inspection||Hammer inspection
Prior to all hammer deliveries, ensure the following items have been verified for each unit.
|Identify the serial number of the hammer||Hydraulic hammer serial number location
When ordering parts or performing repairs, always use the serial number to find information regarding your unit. The serial number is located on the hammer.
|Safety decal & operation safety manual listing||Safety listing
It is imperative that the safety decals, manual, and operator’s cards are kept and maintained in the cab of any carrier that is utilizing an NPK attachment.
|Gas charge specifications H, E, GH, and PH series hammers||Specs & instructions
Correct pressures & method
|Hammer storage||Storage of hydraulic hammers
Improper long term storage of hydraulic hammers has resulted in costly repairs from water corrosion damage.
|Chisel tool resharpening||Instructions & dimensions
Worn chisel tools can be resharpened by machining.
|Correct grease for hydraulic hammers||Approved brands & methods
Proper hammer maintenance depends on the regular greasing of the tool (chisel) with the correct grease.