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BASIC REMOTE CONTROL FOR START
AND EMERGENCY RETRACT FUNCTIONS
MODEL 8255A( )( )
Remote operation of the unit may be achieved by connecting a S-way valve to the remote start and/or remote retract ports, as shown above.
TO START - Depress the remote button momentarily. The unit will advance the drill to a pre-set depth and automatically retract to the initial position, whereupon the unit will stop.
EMERGENCY RETRACT - Depress the emergency button momentarily. This signal to the unit will shift the built-in pressure operated valve. commanding the unit to retract
immediately to the initial position. whereupon the unit will stop.
NOTE: Manual Start and Emergency Retract buttons on the tool are fully operational even when remote control is used. The manually operated buttons can be used when
set-up is required.
Shown below is the same system in schematic form.
SUPPLY
SUPPLY
MODEL 8355-A( )-( )
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PACKAGED 10 TO A BOX
REMOTE OPERATION
Remote operation is achieved by connecting a 4-way valve to the remote start and remote retract ports, as shown above. This valve supplies power directly to the feed piston in
me tool.
TO START - Move lever forward. The unit will advance to a pm-set depth (adjustment screw contacts stud on valve housing).
TO RETRACT - Move lever rearward (back). The unit will retract lo the initial position.
EMERGENCY RETRACT -The unit will retract at any time the lever is moved to the rearward (back) position. The motor runs continuously as long as air pressure is present at
the air inlet to the toot. A shut-off valve should be installed in the air inlet line to completely shut the tool off in case of an emergency.
Shown below is me same system in schematic form.
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