Warning – Hired-Hand RS-400 Door User Manual
Page 17

Part No. 4801-5170 Rev 5/08
RS 400 Door
Page 17 of 26
5.6.5.4 Limit
Switches
Warning!
TO AVOID THE DANGER OF POSSIBLE DAMAGE TO THE DOOR AND
OPERATOR, TRAVELLING CAMS MUST BE ADJUSTED TO THEIR
APPROXIMATE POSITIONS BEFORE MANUALLY OPERATING THE DOOR OR
BEFORE APPLYING POWER TO THE OPERATOR.
There are 4 limit switches. Two are used as end of travel, one is for radio-control or one-button operation
and one is for reversing devices. These switches are activated by the rotary cams traveling on a threaded
shaft. Refer to the following Figure, Limit Switches.
5.6.5.5
Adjustment of Limit Switches
Warning!
NEVER PLACE HANDS OR TOOLS INSIDE OPERATOR OR NEAR
DRIVE MECHANISM UNLESS POWER IS OFF.
.
Warning!
Do not remove the Safety Brackets from the door head unit until the door is installed to the door
frame and the Manaras Operator is properly installed to the door drive shaft. Without proper
support, the door will drop with rapid motion and injury may occur.
Before using the Manaras Operator’s UP/DOWN manual chain or switch controls, ensure the
Safety Brackets are removed from the door head unit.
“Open Position” cam
“Close Position” cam
Limit Switches
Cam Retaining Plate
“Advanced Close”
Limit Switch
“Close” Limit Switch
Limit Switches Lever
“Open” Limit Switch
“Advanced Open”
Limit Switch
!
!
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