Gage Bilt GB208-625A Manuel d'instructions original - Page 7

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When the tool is connected to a hydraulic powerunit, operation is controlled by an electric actuator (GB208-625) or a piloted air actuator

(GB208-625A). When the actuator is depressed, a directional valve in the hydraulic powerunit directs oil to the front side of the piston

forcing it and the internal component in the nose assembly rear-ward. This action causes the jaws to clamp onto the fastener pintail

and pull the sheets together. The anvil is forced forward, swaging the collar into locking grooves of the fastener. Further force breaks

the pintail off, approximately flush with the collar. When the piston is in the rear position flats are exposed unloading the pressurized oil.

When the actuator is released, the directional valve directs the oil to the back of the piston pushing the nose assembly off of the

swaged fastener. The pintail ejector hydraulically pushes the spent pintail out of the nose assembly

pressure is built shutting of the hydraulic powerunit.

PULL Cycle

Piston Travel

PULL Pressure

GB208-625 / GB208-625A

PRINCIPLE OF OPERATION

HYDRAULIC DIAGRAM

Relief

Valve

RETURN Pressure

Pressurized Oil

Unpressurized Oil

When the piston is full forward

RETURN Cycle

Piston Travel

9/16 REV 6/22