Power hook-up, con't – Hawk Industries Spinner Manual 550 HYDRAULIC Serial Numbers 206 to 591 User Manual
Page 12
12
Installation
Power Hook-Up, Con't
2. Connect a 1 1/4" air supply line
(ASL) from the air source to the
Air Power Pack (APP) as shown.
3. To turn on air, rotate Air Supply
Valve (ASV) counterclockwise
as shown.
ASL
Hydraulic Adjustments
1. Always adjust the Spinmaster
relief valve (RV) above main
system hydraulic pressure or
over heating of oil may result.
To adjust the relief valve, grip
the Hydraulic Spinmaster on
the pipe (see item #1 on page
#17). Use a 4mm Allen wrench
to screw the Spinmaster Relief
Valve (RV) counter-clockwise
until a hydraulic flow sound is
heard, then rotate clockwise
until sound (flow) stops.
2. The hydraulic Spinmaster comes
standard with an open center
valve configuration. The stan-
dard valve can be re-configured
to closed center by removing
the Open Center Plug shown
(PS) and replacing it with a
Closed Center Plug (CCP).
RV
PS
Part Name
Part #
Closed Center Plug (CCP) 25804
Open Center Plug (PS)
660312003
Part Numbers
CCP
APP
WARNING
It is recommended that a air regula-
tor from the source air to the power
pack be used (1 1/4"Pipe or larger).
Excess chain and drive roller wear
do to slipping may result if the
Spinmaster air power pack receives
more than 100 psi air pressure.