Chamberlain PD300DM Garage Door Opener User Manual


 
32
CARE OF YOUR OPENER
LIMIT AND FORCE ADJUSTMENTS:
Weather conditions may
cause some minor changes
in door operation requiring
some re-adjustments,
particularly during the first
year of operation.
Pages 27 and 28 refer to
the limit and force
adjustments. Only a
screwdriver is required.
Follow the instructions
carefully.
Repeat the safety reverse test (Adjustment
Step 3, page 29) after any adjustment of limits or
force.
FORCE CONTROLS
1
3
9
7
5
1
3
9
7
5
LIMIT CONTROLS
KG
KG
THE REMOTE CONTROL BATTERY
NOTICE: To comply with FCC and or Industry Canada rules (IC), adjustment or
modifications of this receiver and/or transmitter are prohibited, except for changing the
code setting or replacing the battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.
Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to
the following two conditions: (1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may
cause undesired operation.
To prevent possible SERIOUS INJURY or DEATH:
• NEVER allow small children near batteries.
• If battery is swallowed, immediately notify doctor.
To reduce risk of fire, explosion or chemical burn:
• Replace ONLY with 3V2032 coin batteries.
Do NOT recharge, disassemble, heat above 100°C
(212°F) or incinerate.
MAINTENANCE SCHEDULE
Once a Month
Manually operate door. If it is unbalanced or
binding, call a trained door systems technician.
Check to be sure door opens & closes fully. Adjust
limits and/or force if necessary. (See pages 27
and 28)
Repeat the safety reverse test. Make any
necessary adjustments. (See Adjustment Step 3)
Twice a Year
Check chain tension. Disconnect trolley first. Adjust
if necessary. (See page 11)
Once a Year
Oil door rollers, bearings and hinges. The opener
does not require additional lubrication. Do not
grease the door tracks.
To replace battery, use the
visor clip or screwdriver
blade to pry open the case
as shown. Insert battery
positive side up (+).
Dispose of old battery
properly. Replace the
battery with only 3V2032
coin cell batteries.
Battery
positive
side up (+)
The lithium battery should produce power for up to
5 years.