Maintenance Schedule - Chamberlain 3000 Series Owner's Manual

WARNING
TO AVOID SERIOUS PERSONAL INJURY OR DEATH
FROM ELECTROCUTION, DISCONNECT ELECTRIC
POWER TO OPERATOR BEFORE ADJUSTING SLIP
CLUTCH.
Remove clutch cover and 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. After
adjustment is completed, tighten locking set screw
and re-install clutch cover. Reconnect power to
operator and test for proper operation. The clutch will
require periodic inspection and adjustment.
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.
Check at the intervals listed in the following chart.
ITEM
Drive Chain
Sprockets
Clutch (Optional)
Gear Reducer**
Fasteners
Manual Disconnect
Bearings & Shafts
Use SAE 30 Oil (Never use grease or silicone spray).
Use Mobil SHC75W90 all climate synthetic oil.
Repeat ALL procedures.
Do not lubricate motor. Motor bearings are rated for continuous operation
Do not lubricate clutch.
Inspect and service whenever a malfunction is observed or suspected.
CAUTION: BEFORE SERVICING, ALWAYS DISCONNECT OPERATOR FROM POWER SUPPLY.
ADJUST CLUTCH (OPTIONAL)

MAINTENANCE SCHEDULE

PROCEDURE
Check for excessive slack.
Check & adjust as required.
Lubricate.*
Check set screw tightness
Check & adjust as required
Check for leaks and replace
seals as needed
Check & tighten as required
Check & Operate
Check for wear & lubricate
Clutch
Adjusting
Nut
CAUTION: The torque limiter clutch is NOT an
automatic reversing device. An electric or
pneumatic reversing edge can be added to bottom
edge of door if desired.
The operator has been pre-wired to accept
connection of a reversing edge device. Connect the
normally open contacts to terminals T6 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 EVERY
3 MONTHS 6 MONTHS
7
Motor
EVERY
12 MONTHS