Roll Grooving Machine Frequently Asked Questions

The pipe escapes

The bracked position is not reasonable relative to the machie position.

Ajust the left and right positions of the bracket  relative to the machine

Insufficient oil cylinder pressure

The spring of safety valve breaks down

Replace the safety valve

The piston will move forward

when the handle is forced

downward, but it will return

when the handle is released.

Dirt oil blocks the hole.

Replace the hydraulic oil.

Leakage occurs to the check valve

Remove the screws and spring.

Knock the small steel balls lightly

to force out the airtight surface.

Leakage occurs to other position

Trace the problem and correct.

No pressure in the oil cylinder.

No action resulted from turning the handle.

Insufficient hydraulic oil

Add hydraulic oil

Dirt oil blocks the hole

Replace the hydraulic oil

Leakage occurs to the check value

Remove the screws and sprinh,

Knock the sma