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Adjust clutch so that it is tight enough to open and
close the door but will slip when the door meets an
obstruction. Either loosen or tighten the clutch nut
with 1/4 turn increments. The clutch will require
periodic inspection and adjustment.
CAUTION: The adjustable friction clutch is NOT
an automatic reversing device. An electric or
pneumatic reversing edge can be added to
bottom edge of door if desired.
CONNECT REVERSING EDGE DEVICE (OPTIONAL)
WARNING
IF CONTROL STATION CANNOT BE INSTALLED
WHERE DOOR IS VISIBLE, OR IF ANY DEVICE OTHER
THAN THE CONTROL STATION IS USED TO ACTIVATE
THE DOOR, A REVERSING EDGE MUST BE INSTALLED
ON THE BOTTOM OF THE DOOR. FAILURE TO INSTALL
A REVERSING EDGE UNDER THESE CIRCUMSTANCES
MAY RESULT IN SERIOUS PERSONAL INJURY OR
DEATH TO PERSONS TRAPPED BENEATH THE DOOR.
ITEM
Drive Chain
Sprockets
Clutch
Belt
Fasteners
Manual Disconnect
Bearings & Shafts
Use SAE 30 Oil (Never use grease or silicone spray).
Repeat ALL procedures.
Do not lubricate motor. Motor bearings are rated for continuous operation.
Do not lubricate clutch or V-belt.
Inspect and service whenever a malfunction is observed or suspected.
CAUTION: BEFORE SERVICING, ALWAYS DISCONNECT OPERATOR FROM POWER SUPPLY.
ADJUST CLUTCH
MAINTENANCE SCHEDULE
Check at the intervals listed in the following chart.
PROCEDURE
Check for excessive slack.
Check & adjust as required.
Lubricate.*
Check set screw tightness
Check & adjust as required
Check condition & tension
Check & tighten as required
Check & Operate
Check for wear & lubricate
Adjusting Nut
Spring
Jam Nut
Washer
Clutch Pulley
The operator has been pre-wired to accept
connection of a reversing edge device (Figure 5,
Page 5). Connect the normally open contacts to
terminals T4 and T8 on the low voltage terminal
block. A cut-off switch will de-activate the safety
device during the last few inches of the door's
downward travel.
EVERY
3 MONTHS
6 MONTHS
8
Clutch Pad
Clutch Plate
EVERY
EVERY
12 MONTHS
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