Manaras MSJ - Limit Switch Adjustment Using Manual Hand Chain (if Applicable); Limit Switch Adjustment Without Manual Hand Chain (if Applicable)

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6.3 Limit Switch Adjustment Using Manual Hand Chain (if applicable)
Table 3 - Limit Switch Adjustment Procedures
Limit Switch Adjustment Procedures
Open Limit
1. Using the hoist, manually raise the door to a nearly opened position or desired open
position.
2. Pull the cam-retaining bracket from the Open side, see Figure 13, and rotate the Open
cam manually until it activates the Open Limit Switch sufficiently so that a “click” can be
heard.
3. Release the cam-retaining bracket and make sure that the bracket engages in the slots
of both cams.
Advanced
Close Limit
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
manually until it activates the Close limit switch sufficiently so that a “click” can be heard.
3. Release the cam-retaining bracket and make sure that the bracket engages in the slots
of both cams.
Limit Switch
Fine
Adjustment
1. Limit switch fine adjustment SHOULD be done after the main power supply is connected
to the operator. Refer to section Operator Start-up, Table 9, p.31.
Note: One (1) notch on cam is equal (=) to approximately ½” of the door travel.
6.4 Limit Switch Adjustment Without Manual Hand Chain (if applicable)
Table 4 - Limit Switch Adjustment Procedures (no hoist)
Limit Switch Adjustment Procedures
Open Limit
1. Move the open cam close to the open limit switch and proceed as per described in section
Operator Start-up, Table 9, p.31.
2. Release the cam-retaining bracket and make sure that the bracket engages in the slots of
both cams.
Advanced
Close Limit
1. Pull the disconnect chain for manual operation.
2. Manually open the door approx. 6” above the ground.
3. Pull the cam-retaining bracket from the Close side, see Figure 13, and rotate Close cam
manually until it activates the Close limit switch sufficiently so that a “click” can be heard.
4. Release the cam-retaining bracket and make sure that the bracket engages in the slots
of both cams.
Limit Switch
Fine
Adjustment
1. Limit switch fine adjustment SHOULD be done after the main power supply is connected
to the operator. Refer to section Operator Start-up, Table 9, p.31.
Note: One (1) notch on cam is equal (=) to approximately ½” of the door travel.
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