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Installation & Adjustment Procedures
6.2.4.3.
Do not
electrically operate until all switch adjustments are complete.
ALWAYS
operate the motor operator decoupled first to ensure proper
setup.
6.3. Preliminary Switch Settings:
6.3.1. Start with the disconnect switch and operating mechanism in the closed position.
Refer to
6.3.2. Set the adjustable arm to the preliminary setting specified on the Operating
Mechanism drawing, adjustment may be necessary to achieve proper operation.
6.3.3. Be sure that all the lower bearing stops have been loosened to prevent binding
during test operations.
Figure 18: Switch – Fully Closed Position
6.4. Final Adjustment:
6.4.1. Before piercing any pipes, always check that none of the clamped joints have
slipped. If slippage occurs, correct it and repeat the operation to verify that
adjustment is good.
6.4.2. Open the disconnect switch with the operator.
6.4.3. If the switch is not fully open before the operator reaches the fully open position,
the adjustable arm radius is too short. To correct:
6.4.3.1. Check to see that nothing has slipped.
6.4.3.2. Return the switch to
almost
the closed position, but not toggled.
6.4.3.3. Match-mark the adjustable arm and the pipe clevis
6.4.3.4. Loosen the bolts on the adjustable arm and pipe clevis
6.4.3.5. Lengthen the adjustable radius arm approximately ¼ inch. Allow the pipe
clevis to reposition itself the same ¼ inch. Refer to
6.4.3.6. Tighten bolts and test operate - readjust as necessary.
