Hawk-industries Hawkjaw Sr. Manual 100K-2GSR Serial Numbers 101 to Manuel d'utilisateur télécharger pdf (Page 72)

Trouble Shooting

HawkJaw performance and speed not up to

par.

While in make-up mode, a desired torque

setting cannot be achieved or the torque

control valve will not effect the torque output

of the Hawkjaw.

 There is a leak in the hydraulic system. Make sure

the air supply hose to the HawkJaw is discon-

nected. Make sure the hydraulic power unit is on.

Check for Torque cylinder piston seal integrity.

Make sure no bodily parts are in the extension

path of the cylinder rod. Slowly loosen the Cap

side hose. Check for fluid flow. If there is a piston

seal leak, fluid will flow with volume out of the Cap

side hydraulic fitting. Replace the seals. See Draw-

ings. Replace the cylinder if necessary. See Mainte-

nance & Repair.

 There is a leak in the hydraulic system. Make sure

the air supply hose to the HawkJaw is

disconnected. Make sure the hydraulic power unit is

on. Make sure no bodily parts are in the exten-

sion path of the cylinder rod. Check for Spinner

grip cylinder cap side seal integrity. Slowly loosen

the Spin Block Port SR fitting . Check for fluid flow.

If there is a piston seal leak, fluid will flow with

volume out of the fitting. Replace the seals if neces-

sary. See Drawings. Replace the cylinder if neces-

sary. See Drawings.

 The Hawkjaw may have an obstructed tank lead-in

hose or quick disconnect. Check the pressure at the

tank out-put port on the Hawkjaw main hydraulic

manifold. Pressure readings should not exceed 200

psi. If the pressure reading is above 200 psi, clear the

obstruction in the hose or replace the quick-

dissconnect. Also check belleville springs #061-

022S for correct placement or breakage. See Draw-

ings.

Troubleshooting

Problem Remedy

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Hawk-industries Hawkjaw Sr. Manual 100K-2GSR Serial Numbers 101 to Manuel d'utilisateur Page 72