13
CARE AFTER USE
Because the hammer is used in water, it is susceptible to rust and corrosion.
Use due care when draining water.
When the hammer is used every day:
a) Operate the hammer out of the water for several minutes, while
supplying air, to drain water completely.
b) If it is difficult to operate the hammer out of water, run the engine at low
RPM and idle the hammer 5 to 6 times while maintaining air supply.
When the hammer is not used for a long period of time (longer than 30
days):
a) After completing the procedures described above, position the hammer
as illustrated and discharge the nitrogen gas inside the head cap
completely, using the NPK Charge Adapter.
b) While keeping the charge valve in an OPEN state, run the engine at a
low speed and actuate the hammer foot switch for 2 to 3 seconds.
c) Remove the Charge Adapter.
d) Pour approximately one quart of oil (t52) into the lower end of the Tool
Holder.
e) Cover the tool end of the hammer to prevent water or moisture entering
the Tool Holder.
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