Hawk Industries Spinner Manual 950 PNEUMATIC Serial Numbers 81 to 189 - Manual (Page 41)

41
Symptom Remedy
Troubleshooting
tube. Adjust the spinner to the correct pipe size.
See Operating Adjustment pg.14.
 The Spinmaster may slip if there is a large amount of
grease on the pipe. The slipping will stop after the
grease has dissipated.
 The Spinmaster door valve lever must detent and
stay shifted or the spinner will slip on the pipe
body. To adjust or repair the Spinmaster door
valve detent on both the air and hydraulic models.
See Maintenance & Repair pg.30.
 Make sure drive rollers are not touching each other
when gripped on drill pipe. If the drive rollers are
touching each other, adjust the spinmaster to the
next smaller (move drive motor back) size setting.
If the Spinmaster pops off the pipe when rotating
and shouldering the drill pipe, the chain needs to
be replaced. See Maintenance & Repair pg.23.
 If the pipe size adjustment is too small, the spinner
will thrust itself off the pipe. For correct adjust-
ment see Adjust Pipe Size pg.14.
 Make sure to lubricate chain on a regular bases. A
lack of lubrication causes abnormally fast wear.
See Chain Lubrication pg.19.
 Running the spinner with worn drive rollers severely
shortens chain life. If the drive roller groove is
no longer visible, replace the drive rollers. See
Changing the Drive Rollers pg.25. Inspect the
chain. Replace the chain if the links are worn flat.
See Changing the Spinner Chain pg.23.
 The drive and/or roller sprockets could be worn
enough to cause a reduction in performance.
Check for irregular shape to the sprocket teeth.
For changing sprockets see Drawings pg.50,54.
 If the Spinmaster hydraulic relief valve (located on
the motor and door main valve) is set below the
maximum pressure of the hydraulic power unit,
the relief valve will make a squaking or sqealing
Trouble Shooting Hydraulic Spinmaster
The Spinner slips.
The Spinner Thrusts Off the Pipe
While Spinning.
The Chain Wears Out
prematurely.
The Main Relief Valve makes noise
and/or Hydraulic Fluid Heats Up.
Continued on next page.