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•
Make sure controller safety circuit is active and clear for running, and the pumping unit valve
stem is in AUTOMATIC. Turn test switch ON. The "ROPE GRIPPER
ready (LOADED) position (NOT gripping the ropes).
Turn test switch to OFF. This should activate the "ROPE GRIPPER
•
Be sure that while gripping the ropes, the switch contacts on the "ROPE GRIPPER
prevent power from being applied to the motor and machine brake.
•
Turn the valve stem in the pumping unit to MANUAL. This will open the manual
microswitch contact and prevent the elevator from running.
•
Use hand pump to return the gripper to the ready or loaded position.
•
Turn test switch ON. Elevator should still be prevented from running.
•
Turn the valve stem back to AUTOMATIC. The manual contact will close allowing the
elevator to run.
1. A line has been marked on the side wall of the gripper to aid in the Wear-In process. Note
that at this point in the procedure, this line is well above the Connecting Arm and will be met
or covered by the Connecting Arm during the Wear-In process (refer to Figures 1 & 5 for
location of Connecting Arm and Wear-In line).
2. Confirm the moveable shoe has been set up for the proper size ropes (Chart 3). Shims on
this chart are a general guideline and may vary. See Item 9 of this section.
TESTING OF "ROPE GRIPPER
"ROPE GRIPPER
" LINING WEAR-IN
®
"
®
" should be in the
®
", gripping the ropes.
®
" stop or
®
FIGURE 5
BULLETIN 1144
Page 9 of 29
11/12/19
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