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HYDRAULIC INSTALLATION
NPK Hydraulic Installation Kits are available for virtually all compatible excavator
models. The kits include all parts and complete instructions for the hydraulic
installation, including valving and/or controls, hoses and fittings, boom and stick tubing,
and clamps.
See your NPK dealer for details or call NPK at 1-800-225-4379.
HYDRAULIC LINES
Typically, the pressure line to close is arranged on the left side of the boom and the
open line is on the right side.
SHUT-OFF VALVES
Most NPK Hydraulic Installation Kits use two shut-off valves (k4) on the dipper stick (k1)
of the carrier. These valves control the hydraulic oil going to the close side (m3) and
the open side (m4) from the Demo Grab attachment.
Pressure test ports (k8) are located in the shut-off valves. Each shut-off valve has an
“ON” (k5) and an “OFF” (k6) position.
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