Gage Bilt GB744 Installationshandbuch - Seite 4

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PRINCIPLE OF OPERATION

When the air actuator assy is depressed, the pressurized air inside the tool is released allowing spring pressure to move the valve

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

below the air piston is then directed through the valve sleeve and exhausted out of the bottom of the tool. Simultaneously, the piston

rod connected to the air piston is also moving down, forcing hydraulic oil up and into the front side of the cylinder head, causing the

piston to move to the rear of the cylinder head. The internal components of the attached nose assembly are also moving with the

piston to start the fastener installation. When the fastener installation is completed, the air actuator assy is released. Air pressure is

then built up inside of the handle causing the valve spool assy to return to its original position and reversing the sequence directing

air pressure to the rear of the cylinder head, causing the piston to move to the forward position.

CYLINDER

HEAD

AIR

PISTON

PRESSURE

OIL

PRESSURE

AIR

PRESSURE

PISTON

ROD

AIR

PISTON

AIR

PRESSURE

VALVE

SPOOL

AIR

PISTON

AIR

PRESSURE

AIR

PRESSURE

EXHAUST

Image may not reflect actual tool

Rev. 2/15