Gage Bilt GB722 Original Instructions Manual - Page 7
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Also for Gage Bilt GB722: Installation Manual (13 pages), Original Instructions Manual (20 pages)
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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
7
RETURN Cycle
Piston Travel
Air Piston
moves up
Air exhaust
11/21 REV. 5/22