Hawk Industries Spinner Manual 550 HYDRAULIC Serial Numbers 206 to 591 - Manual (Page 30)

30 Maintenance & Repair
Adjust Door Valve Detents
HDS
Hydraulic Spinmaster
1. Remove the rubber cover and
use a 1/4" Allen Wrench and
rotate the hydralic detent screw
(HDS) at the rear of the hydraulic
valve clockwise to increase de-
tent pressure and counter-clock-
wise to reduce detent pressure.
Adjust to a pressure that assures
good holding strength when
shifted to grip on pipe. Replace
the rubber cover.
Air Spinmaster
1. Use a 3/16" Allen Wrench and
rotate the detent screw (PDS) at
the rear of the door valve clock-
wise to increase detent pres-
sure and counter-clockwise to
reduce detent pressure. Adjust
to a pressure that assures good
holding strength when the door
valve lever is shifted to close the
spinner doors.
PDS
If the hydraulic valve
detent is not maintained
on the Hydraulic and Air
Spinmaster , the unit will
slip while spinning pipe .
WARNING