Limit Switch Adjustment Using Manual Hand Chain - Manaras Opera MGH Installation Instructions Manual

5.3

Limit Switch Adjustment Using Manual Hand Chain

Table 4 - Limit Switch Adjustment Procedures
Limit Switch
1. Using the hoist, manually raise the door to a nearly opened position or desired open
2. Pull the cam-retaining bracket from the Open side, see Figure 13, and rotate the Open
Open Limit
3. Release cam-retaining bracket and make sure that the bracket engages in the slots of
1. Using the hoist, manually lower the door to approx. 6" above the ground.
2. Pull the cam-retaining bracket from the Close side, see Figure 13, and rotate Close cam
Advanced
Close Limit
3. Release cam-retaining bracket and make sure that the bracket engages in the slots of
1. Limit switch fine adjustment SHOULD be done after the main power supply is connected
Limit Switch
Fine
Adjustment
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position.
cam manually until it activates the Open Limit Switch sufficiently so that a "click" can be
heard.
both cams.
manually until it activates the Close limit switch sufficiently so that a "click" can be heard.
both cams.
to the operator. Refer to section Operator Start-up, Table 9, p.30.
Note: One (1) notch on cam is equal (=) to about ½" of the door travel.
14
Adjustment Procedures
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