72 100-412-182 REV. 06
To adjust the Mechanical Stop
Table 6.1 To adjust the Mechanical Stop
Step Action
1
Remove the factory air from the system or activate the manual dump valve
(if installed) and manually lower the carriage until the horn is just above the
fixture.
2
If the horn does not reach the fixture and has not travelled 1.75 inches
(44.4 mm), loosen the set screws and/or locking nut fully and turn the
mechanical stop-adjusting knob counter-clockwise until the carriage reaches
the desired position.
If the horn reaches the desired position before contacting the stop, turn the
adjusting knob clockwise until the stop contacts the carriage.
3
Check the height of the horn and make any necessary adjustments to the
stop.
4
When you have reached the setting you want, tighten the set screws and/or
locking nut. The set screws and/or locking nut will prevent the mechanical
stop adjustment from vibrating loose during operation.
5 Place a part in the fixture, reset the air pressure, and perform a test weld.
6
Check that full force develops between the horn and the part. If not, readjust
the mechanical stop.
CAUTION General Warning
If the Mechanical Stop locking nut is not tightened it may prevent the
carriage from returning to the home position.
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