Gage Bilt GB722 Manual Petunjuk Asli - Halaman 7

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When the actuator lever assembly is depressed, the pressurized air inside of the tool is released allowing spring pressure to move the

valve spool assembly causing the air to be redirected. The air is directed to the top of the air piston assembly, moving it in a downward

direction. The air below the air piston assembly is then directed through the valve sleeve and exhausted out of the bottom of the tool.

Simultaneously, the piston rod assembly connected to the air piston assembly is also moving down, forcing hydraulic oil up and into

the back side of the rear of the head piston moving it forward. The internal parts on the nose assembly are also moving forward thus

starting the installation process. As the nose assembly encounters resistance from the fastener, the hydraulic pressure builds until the

tool reaches its full forward preset position. After maximum pressure is met, the actuator is then released, thus allowing the hydraulic

pressure to drop and allowing the spring pressure in the front of the piston to return the piston and the nose assembly to their start

position.

PULL Cycle

Piston Rod

Assembly

moves down

Air Piston

moves down

GB722/568 INSTALATION TOOL

PRINCIPLE OF OPERATION

Piston Travel

Air exhaust

Piston Rod Assembly

moves up

Pressurized Oil

Unpressurized Oil

Pressurized Air

Unpressurized Air

Image may not reflect actual tool

RETURN Cycle

Piston Travel

Air Piston

moves up

Air exhaust

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