NPK PH1 Operator's Manual page 12

HYDRAULIC INSTALLATION
SKID STEER HAMMER FLOW CONTROL VALVE (OPTIONAL)
Be sure that the pressure (m3) and return lines (m4) are properly routed.
Inlet pressure connects to port "P" on the NPK flow control valve (ma3). Regulated flow
from valve port "H" (m5) connects to the "IN" port on the NPK hammer. The "OUT" port
on the hammer connects to port "T2" (m6) on the flow control valve. "T1" connects to
the return line (m4) on the skid steer.
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