Hawk-industries Hawkjaw Jr. Manual 65K-2GJR Serial Numbers 21 to 3 Manuel d'utilisateur télécharger pdf (Page 50)

50 Maintenance & Repair

TGP

Changing the Torque Cylinder

1. Pull out the Bottom Grip

Cylinder Cap side Pin (BCP).

2. Pivot the Bottom Grip Cylinder

(BC) away from the Torque

cylinder Rod side hose (RH).

3. Use the 1" and 15/16" wrench to

slowly loosen the Cap side Hose

(CH). Check for fluid flow.

Bleed any pressure. Remove the

Cap side Hose (CH).

Torque Cylinder

Initial Steps

Changing All Other Spinner Parts

BCP

BCCH RH

1. Make sure the HawkJaw is off the

drill pipe connection and in the rest

position on the derrick.

2. Shut down the Hydraulic power

unit.

3. Press, push, and pull all control

buttons repeatedly to bleed

hydraulic pressure.

4. Press the E-Stop (E) button on the

right control handle.

5. Disconnect the Air power supply.

6. Assume that there is still a load on

every actuator. Proceed with

caution.

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Hawk-industries Hawkjaw Jr. Manual 65K-2GJR Serial Numbers 21 to 3 Manuel d'utilisateur Page 50