Hawk-industries Hawkjaw Jr. Manual 65K-ALS Serial Numbers 4 to 9 Manuel d'utilisateur télécharger pdf (Page 87)

Trouble Shooting

Trouble

Shooting

Troubleshooting 87

Symptom Remedy

the cylinder if necessary. See Drawings, p. 130.

l The mount arm thrust bearing plates are reversed.

Properly connect the mount arm thrust bearing

races. See Drawings, p. 88, 89.

l The mount arm thrust bearings are worn out.

Replace the mount arm thrust bearings. See

Drawings & Note, p. 88, 89.

l The mount arm bolts set screws have not been

installed correctly. Make sure set screws have been

installed in each of the jaw plates that the wrench

arms are attached too. See Drawings & Note on

page 88, 89.

l The locking set screws have not been removed.

Make sure when removing mount arm bolts that the

set screws are removed first. See Drawings & Note

on page 88, 89.

l Push in and pull out the Grip buttons repeatedly

until the main hydraulic block is warm. Push in the

middle or bottom Grip button. Wait several

seconds. Press in the Spin button, and release the

Spin button quickly. The spinner doors should

begin to close. If nothing happens, repeat this

process several times. If the Spin button still will

not work, and the hydraulic block is warm, see

Trouble Shooting, p. 72-74.

The mount arms do not pivot

freely.

The middle wrench mount arm

bolts loosen during operation of

the Hawkjaw.

The middle wrench arm bolts

are bound up and will not rotate

out easily.

The Spin button will not work.

Middle

Wrench

Mount Arms

Extreme Cold

Weather

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Hawk-industries Hawkjaw Jr. Manual 65K-ALS Serial Numbers 4 to 9 Manuel d'utilisateur Page 87

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