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BASIC REMOTE CONTROL FOR START
M104
AND EMERGENCY RETRACT FUNCTIONS
32
Remote start is accomplished by introducing a momentary pres-
sure signal to port “B”, using fitting, valve and signal quality tubing
as shown. The pressure signal should be about one (1) second in
duration, this is sufficient for most applications. NOTE: For very
low spindle speeds with medium to fine pitch lead screw, the sig-
nal duration may need to be increased beyond one second. For
very high spindle speeds and short stroke settings, the signal
duration may need to be decreased and positively controlled -
consult factory in this case.
The start valve should be a 3-way type valve capable of proper
response.
Remove retract: Even though the tapper automatically retracts at
a preset stroke, it may be desirable to connect an “Emergency
Retract” function. This will allow the operator to retract the tapper
during operation if it should become necessary. Remote emer-
gency retract is accomplished by introducing a momentary pres-
=
sure signal to port “E”, using fitting, valve and signal quality tubing
-
as shown. The pressure signal should be about one (1) second in
duration, this is sufficient for most applications. The remote retract
signal should be terminated by releasing the 3-way valve once
the tool is retracting.
The retract valve should be a 3-way type valve capable of proper
response.
START
t
EMERGENCY
RETRACT
3-WAY PALM BUTTON VALVE WITH
GUARD (RECESSED GREEN BUT-
TON), INSTANT TUBE CONNEC-
TIONS AND SPRING RETURN -
3-WAY PALM BUTTON VALVE (RED
BUTTON WITHOUT GUARD), INSTANT
TUBE CONNECTIONS AND SPRING
RETURN - MODEL 461-2
MODEL 461-3 (W/GUARD 20975)
IN N/C PORT
* SUPPLY
PORT “B”
REMOTE START
- 59474-004
l
CONNECTOR
-PORT “E”
REMOTE
RETRACT
I
‘THIS NUMBER DENOTES A PACKAGE OF TEN (10) CONNECTORS.
f WHEN ORDERING, SPECIFY DESIRED LENGTH IN INCHES BY ADDING DASH NUMBER TO PART NUMBER. EXAMPLE -44631-036, THE
-036 REPRESENTS 36 INCHES IN LENGTH. TUBING IS ALSO AVAILABLE IN 100 FT ROLLS, CONSULT ARO CORPORATION.
SHOWN BELOW IS THE SAME SYSTEM IN SCHEMATIC FORM.
EMERGENCY
SUPPLY
SUPPLY