lift-master htl Manuel D’Utilisation
8
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.
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.
an automatic reversing device. An electric or
pneumatic reversing edge can be added to
bottom edge of door if desired.
Jam Nut
Adjusting Nut
Spring
Clutch Pulley
Clutch Plate
Clutch Pad
Washer
CONNECT REVERSING EDGE DEVICE (OPTIONAL)
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.
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.
✳
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
EVERY
EVERY
EVERY
ITEM
PROCEDURE
3 MONTHS
6 MONTHS
12 MONTHS
Drive Chain
Check for excessive slack.
Check & adjust as required.
Lubricate.*
Check & adjust as required.
Lubricate.*
●
✔
Sprockets
Check set screw tightness
●
✔
Clutch
Check & adjust as required
●
✔
Belt
Check condition & tension
●
✔
Fasteners
Check & tighten as required
●
✔
Manual Disconnect
Check & Operate
●
✔
Bearings & Shafts
Check for wear & lubricate
●
✔
MAINTENANCE SCHEDULE
Check at the intervals listed in the following chart.
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,
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.
A REVERSING EDGE UNDER THESE CIRCUMSTANCES
MAY RESULT IN SERIOUS PERSONAL INJURY OR
DEATH TO PERSONS TRAPPED BENEATH THE DOOR.