HI-PRESS TANGYE HYDRALITE PS630 Manual de instruções de funcionamento e segurança - Página 6

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Jacks with Screwed Rams (Type S)

All models can be provided with screwed rams and locking collars. The purpose for this is to

mechanically support a load at a required position without relying on the hydraulic circuit.

When the load is at the required position, rotate the locking collar clockwise until it rests hand

tight on the top of the jack body.

To undo – operate the jack so that the hydraulic circuit just takes the load oﬀ the locking collar.

Rotate the collar anti -clockwise until it reaches the top of the ram.

Safety Note :

Lifting claws must never be used with screwed ram jacks.

Jacks with Lifting Claws (Type C)

These claws are supplied as an accessory to provide a low height lifting point. When fitted,

lifting must always, and only, be carried out on the toe of the claw.

The capacity of the claw is 40% of the capacity of the jack to which it is fitted (See table 1), if the

claw is overloaded it could snap and put the operator in danger. Jacks intended for use with

claws have extended bases which prevent the jack from toppling over when a load is applied

the claw. Never attempt to use a claw on a jack without an extended base. They must only be

used for vertical movements of loads.

The recess in the head of the claw fits around the ram top, and the heel of the claw rests against

the front face of the jack. Ensure the claw is seated properly before use and also that the toe is as

far under the load as possible.