Installation manual

Page 42 RS-500/600 Series Doors Part No 4801-5154 Rev 01-2015
Warning!
NEVER PLACE HANDS OR TOOLS INSIDE OPERATOR OR NEAR
DRIVE MECHANISM UNLESS POWER IS OFF.
27.2 Adjustment of Limit Switches
1. Open the cover of the electrical enclosure.
2. Manually raise the door to a nearly opened position using the Manaras manual chain. (Section 29,
Page 45, Manual Operation of Door with Manaras Operator )
3. Pull the traveling cam retaining bracket on the Open Position cam side and rotate the Open Position
cam. Refer to Diagram 27B, Adjusting The Limit Cams.
Note: Turning the cam towards the center of the shaft increases door travel. Turning the
cam towards the switch decreases door travel.
4. Manually rotate the Open Position cam until the lever activates the Open limit switch sufficiently so
as to hear the switch click.
5. Release and engage the retaining bracket. Make sure that the bracket engages in the slots of both
limit cams after each adjustment.
6. Manually lower the door to a nearly closed position and repeat steps 3 through 5 with the Close
Position cam.
7. Upon completion of all wiring connections, repeat steps 2 through 6 above using the "Stop" button
for adjustments of limit switches to their final, exact positions
Adjusting the Limit Cams
!
Pull the travelling cam retaining bracket
on desired side to adjust cam position.