Gage Bilt GB206-500A Instructions Manual - Page 7

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When the tool is connected to a powerunit, operation is controlled by an actuator or switch attached to the hydraulic hoses. The
GB206-500A incorporates an air actuator to send a signal; the GB206-500 an electric actuator. When the button is depressed, a
directional valve in the powerunit directs oil to the front side of the piston forcing it and the nose assembly collet rearward. This
action causes the jaws to clamp on the fastener pintail and pull the sheets together. The anvil is forced over the collar, swaging it
into locking grooves of the fastener. Further force breaks the pintail off, approximately flush with the collar.
When the piston nears the end of its stroke it exposes flats on the back of the relief valve. These flats "dump" oil back to the powerunit
tank. When the button is released the directional valve reverses oil flow to the back of the piston and pushes the nose assembly off of
the swaged fastener. The spent pintail is released and drops out the back of the tool.
PULL Cycle
Piston Travel
PULL Pressure
GB206-500/ GB206-500A INSTALLATION TOOL

PRINCIPLE OF OPERATION

HYDRAULIC DIAGRAM
Relief
Valve
RETURN Pressure
Pressurized Oil
Unpressurized Oil
Images may not reflect actual tool
7
RETURN Cycle
Piston Travel
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