Hawk-industries Hawkjaw Jr. Manual 65K-ALS Serial Numbers 4 to 9 Manuel d'utilisateur Page 80

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Trouble Shooting
Symptom Remedy
l Check that the Spin orange air hose connects to Port
A and that the Spin green air hose connects to Port
B on the Main hydraulic manifold Spin valve V6. See
Drawings, p. 108.
l Properly connect the Spin air hoses within the Right
Control Panel. See Drawings, p. 112.
l Use an allen wrench to rotate the Spinner
sequence valve adjustment clockwise until the
doors close before the spinner begins to spin. While
holding the pressure sequence valve adjustment
steady with an allen wrench, lock in the adjustment
by tightening the lock nut. The sequence valve is
located at Port SV1 on the Spinner hydraulic
manifold. See Drawings, p. 127.
l Rotate spinner sequence valve SV1 counter-
clock-wise until the spinner begins spinning pipe at
full speed after doors close. See Drawings, p. 127.
l Adjust spinner needle valve SV2 fully counter-
clock-wise. See Drawings, p. 127.
l The spinner is adjusted too large for the drill pipe tube.
Adjust the spinner to the correct pipe size. See
Operate, p. 16, 24.
l The spinner chain is worn out. Replace the spinner
chain. See Maintenance & Repair, p. 48-49.
l Lubricate the spinner chain. See Maintenance &
Repair, p. 44.
l Running the spinner with worn Drive rollers
severely shortens chain life. If the Drive
RollerGroove is no longer visible, replace the Drive
rollers. See Maintenance & Repair, p. 50-51.
Inspect the chain. Replace the chain if the links
are worn flat. See Maintenance & Repair, p. 48-49.
The Spinner begins to operate as
soon as the middle Grip or
bottom Grip button is pushed in.
Spinner begins to spin before the
spinner doors close on the drill
pipe tube.
Spinner motor will not spin pipe
(or spins too slowly) when
spinner doors close.
Spinner doors will not close or
close too slowly.
Spinner chain slips on the drill
pipe tube.
Spinner chain wears out
prematurely.
Spinner
(Cont.)
Spinner
Performance
80 Troubleshooting
Continued on next page.
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