NPK PH1 Operator's Manual page 35

OPERATION
OPERATING TECHNIQUES & PRECAUTIONS
DO NOT DROP THE HAMMER
RAPIDLY ON AN OBJECT
Remember, the hammer assembly
(DR) is heavier than an empty bucket
and will move faster than expected.
DO NOT USE THE HAMMER
ASSEMBLY (DR) TO MOVE
LARGE OBJECTS
Do not use the hammer assembly
(DR) for purposes other than for what
it was intended.
AVOID OPERATING THE
HAMMER WITH CYLINDERS
AT THE END OF STROKE
Continuous operation with the
cylinders fully closed (97) or extended
(96) may damage the hydraulic
cylinders.
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