Hawk Industries Spinner Manual 550 HYDRAULIC Serial Numbers 1 to 205 - 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
standard valve can be re-config-
ured to closed center by remov-
ing the Open Center Plug
shown (PS) and replacing it
with a Closed Center Plug
(CCP).
RV
PS
Part Name Part #
Closed Center Plug (CCP) 031-24VALVE-1
Open Center Plug (PS) 031-24VALVE-4
Part Numbers
CCP
ASV
APP
WARNING
It is recommended that a air
regulator 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.