Hawk Industries Hawkjaw Sr. Manual ALS Serial Numbers 1 to 100 - Manual (Page 86)

Trouble Shooting
Symptom Remedy
Spinner
Performance
(cont)
z
The spinner is adjusted too small for the drill pipe
tube. Adjust the spinner to the correct pipe size.
See Operate, p. 19, 25.
z
Adjust the spinner to the next smaller pipe size.
See Operate, p. 19, 25. If the Drive Rollers still
touch, the chain is severely stretched. Replace the
chain. See Maintenance & Repair, p. 49-50.
z
Grease the spinner mount sliding block first and
check if symtom continues. See Maintenance &
Repair, p. 47. If symtom continues, Adjust the
Spinner push cylinder valve (Spin Block port V1)
slightly clockwise . See p.118.
z
The spinner is adjusted too small for the drill pipe.
Adjust the spinner to the correct pipe size. See
Operate, p. 19, 25.
z
Use an allen wrench to tighten the Spinner Push
cylinder pressure reducing valve adjustment
counter-clockwise until the spinner does not force
the HawkJaw away from the pipe. While holding
the pressure reducing valve adjustment steady with
an allen wrench, lock in the adjustment by
tightening the valve lock nut. The pressure
reducing valve is located at Port V1 on the Spinner
hydraulic block. See Drawings p. 118.
z
Use an allen wrench to rotate the Spinner Door
sequence valve adjustment counter-clockwise until
the spinner doors begin to close as the HawkJaw
moves onto the pipe. While holding the sequence
valve adjustment steady with an allen wrench, lock
in the adjustment by tightening the differential valve
lock nut. The Spinner door sequence valve is
located at Port V2 on the Spinner hydraulic block.
See Drawings, p. 118.
z
Use an allen wrench to rotate the Spinner motor
sequence valve adjustment clockwise until the
doors close before the spinner begins to spin. While
holding the sequence valve adjustment steady with
an allen wrench, lock in the adjustment by
tightening the differential valve lock nut. The
Spinner pops off the drill pipe
tube when the spinner rotates
the pipe.
Spinner Drive Rollers touch
when the spinner clamps onto
the drill pipe tube.
Spinner does not slide forward
on the spin mount block or does
slide forward and closes prema-
turely and bangs on pipe body
while closing.
Spinner chain hinders the
correct alignment of the
HawkJaw on the pipe.
Spinner clamps on the pipe and
forces the HawkJaw back away
from the pipe.
The spinner doors do not begin
to close as the spinner moves
onto the pipe.
Spinner begins to spin before
the spinner doors close on the
drill pipe tube.
86 Troubleshooting
Continued on next page.