Maintenance; General Service; Warning; Battery Disposal - Chamberlain MEGA SWING Owner's Service Manual

Check at the intervals listed in the following chart:
ITEM PROCEDURE
Instant Reverse Device Test IRD Reversal
(IRD)
Fasteners Check and tighten
as required.
Bearings & Shafts Check for wear
and lubricate.
Battery Maintenance Replace batteries.
Repeat ALL procedures.

GENERAL SERVICE

WARNING

• Belt loose or needs replacement, adjust with 4 bolts that
support motor to allow 1/4" play.
• Charge voltage for batteries should be 27.5 +0.05, -0 Vdc

CAUTION

with batteries disconnected (Set with R63, shown on the
Control Board Layout page).
• Replace batteries with LiftMaster P/N MBAT batteries. Replace
in pairs.

BATTERY DISPOSAL

Replaced batteries must be treated as a hazardous waste and
disposed of in accordance with State, Local and Federal
Regulations. See the battery manufacturer's Material Safety Data
Sheets (01-30839 "MSDS Sheets, Battery, Standard").

BATTERY REPLACEMENT

Service Kits are available for battery replacement. Please contact
AVERTISSEMENT
Technical Support (see back of this document for contact
information).
ATTENTION
ADVERTENCIA
PRECAUCIÓN
M A I N T E N A N C E
EVERY EVERY
MONTH 3 MONTHS
To prevent possible SERIOUS INJURY or DEATH from
electrocution or fire, BEFORE proceeding:
• Disconnect ac power at the fuse box.
• Disconnect dc power at the battery connection.
BATTERY MAINTENANCE / TESTING
The batteries are maintenance free. However, to insure proper and
safe operation, it is recommended that the batteries be replaced
every two years. Battery testing is conducted automatically. See
the Battery Test Description section for manually initiating the
battery test.
BATTERY HANDLING / STORAGE
Refer to the battery manufacturer's Material Safety Data Sheets
(01-30839 "MSDS Sheets, Battery, Standard"). LiftMaster does
not recommend storage of batteries in the field. Batteries are
intended for immediate use.
16
EVERY EVERY
6 MONTHS 12 MONTHS
◆
◆
◆
WARNING WARNING
WARNING
AVERTISSEMENT
AVERTISSEMENT
ADVERTENCIA
ADVERTENCIA
EVERY
24 MONTHS