Craftsman 13953903DM garage door opener

User Manual - Page 11

For 13953903DM.

PDF File Manual, 80 pages, Download pdf file

Loading ...
Loading ...
Loading ...
ASSEMBLY STEP 5
Tightenthe Chain
Spin the innernut and lockwasher down the trolley threaded
shaft, awayfrom the trolley.
To tighten the chain, turn outer nut in the direction shown
(Figure 1).
When the chain is approximately 1/4" (6 mm) above the base
of the rail at its midpoint, re-tighten the inner nut to securethe
adjustment.
Sprocket noise can result if chain is too loose.
When installation is complete, you may notice some chain droop
with the door closed. This is normal. If the chain returns to the
position shown in Figure 2 when the door is open, do not
re-adjust the chain.
NOTE:During future maintenance, AL WAYSpuff the emergency
release handle to disconnect trolley before adjusting chain.
NOTE: Youmay notice loosening of chain after Adjustment Step 3
(Test the Safety Reversal System). Check for proper tension and
readjust chain if necessary. Thenrepeat Adjustment Step 3.
Youhave nowfinished assemblingyour garage door opener.
Please read the following warningsbeforeproceedingto the
installation section.
Figure1
Figure2
Trolley
Outer Lock Threaded
Nut Washer Shaft
To Tighten Outer Nut
Inner Nut
To Tighten
Inner Nut
I
Chain
Base(
1/4"(6 mm)
Mid length of Rail
INSTALLATION
IMPORTANTINSTALLATIONINSTRUCTIONS
To reducethe riskof SEVEREINJURYor DEATH:
1. READAND FOLLOWALL INSTALLATIONWARNINGSAND
INSTRUCTIONS.
2. Install garagedoor opener ONLYon properly balancedand
lubricated garagedoor. An improperly balanceddoor may
NOTreversewhen required andcould result in SEVERE
INJURYor DEATH.
3. ALL repairs to cables, spring assemblies and other hardware
MUST be made by atrained door systems technician BEFORE
installing opener.
4. DisableALL locks and removeALL ropes connected to
garagedoor BEFOREinstalling opener to avoid entanglement.
5. Install garagedoor opener 7 feet (2.13 m) or more above
floor.
6. Mount the emergency releasewithin reach, but at least6 feet
(1.83 m) abovethe floor and avoiding contact with vehicles
to avoid accidental release.
7. NEVERconnect garagedoor openerto power source until
instructed to do so.
8. NEVERwear watches, rings or loose clothing while
installing or servicing opener. They could be caught in
garagedoor or opener mechanisms.
9. Install wall-mounted garage door control:
within sight of the garagedoor.
out of reach of children at minimum height of 5 feet (1.5
m).
away from ALL moving parts of the door.
10. Placeentrapment warning label on wall nextto garagedoor
control.
11. Place manual release/safetyreversetest label in plain view
on inside of garagedoor.
12. Upon completion of installation, test safety reversal system.
Door MUST reverseon contact with a 1-1/2" (3.8 cm) high
object (or a 2x4 laid flat) on the floor.
11
Loading ...
Loading ...
Loading ...