Linear LDCO 863 User Manual

12
INSTALLING/REPLACING THE BATTERY BACKUP
Chain Adjustment
If necessary, use the following steps to adjust the chain.
1 Hold the turnbuckle with a at blade screwdriver and
loosen the two locknuts with a 7/16” end wrench.
2 Twist the turnbuckle to adjust the chain tension. Adjust
the chain until the turnbuckle is sightly above the rail.
3 Hold the turnbuckle with a at blade screwdriver and
tighten the two locknuts with a 7/16” end wrench.
Every Year
Check the door hardware for lubrication needs. Lubricate door hinges, rollers and bearings according to door
manufacturer’s recommended procedures.
A
DJUSTING A CHAIN-DRIVE
TURNBUCKLE
LOCKNUTS
TO HEAD
LOCKNUTS
TIGHTEN
LOCKNUTS
LOOSEN
HOLD TURNBUCKLE
WITH FLAT BLADE
SCREWDRIVER TO
BACKUP LOCKNUTS
TWIST
TURNBUCKLE
CHAIN
TIGHTEN
CHAIN
LOOSEN
1 Loosen the four (4) housing screws and remove the
housing.
2 Remove one (1) screw from the LED panel beneath
the battery box, and carefully swing it out of the way
(LDCO863 model only).
3 If replacing the battery backup unit, remove the three (3)
screws holding the battery box and remove.
4 Insert the battery into the battery box and install/re-install
the box using the three (3) battery box screws.
5 Connect the battery terminal wires to the battery
terminals. Make sure the RED wire is connected to the
POSITIVE terminal and the BLACK wire is connected to
the NEGATIVE terminal.
6 Reposition and secure the LED panel.
7 Replace the operator housing and tighten the four (4)
screws to secure the housing.
Part# BATT54BOX
*
Part# BATT54
* Includes battery box and screws. Sold
separately for LDCO 841.

Linear LDCO 863 Specifications

General

Brand	Linear
Model	LDCO 863
Category	Garage Door Opener
Language	English