Craftsman 139.30437 Manual Del Propietário página 20

INSTALLATION STEP 9
ConnectDoor Arm to Trolley
Follow instructions which apply to your door type as illustrated
below and on the following page.
/MPORTAHT:Thegroove on the straight door arm MUST face
away from the curved door arm (Figure 4).
SECTIONALDOORSONLY
1. Make sure garage door is fully closed. Pull the emergency
releasehandle to disconnect the outer trolley from the inner
trolley. Slide the outer trolley back (away from the pulley) about
8" (20 cm) as shown in Figures 1,2 and 3.
2. Fastenstraight door arm section to outer trolley with the
5/16"x1"clevis pin. Secure the connection with a ring fastener
(Figure 1).
3. Fastencurved section to the door bracket in the same way,
using the 5/16"x1-1/4" clevis pin.
4. Bring arm sections together. Find two pairs of holes that line up
and join sections. Select holes as far apart as possible to
increase door arm rigidity (Figure 2).
Hole alignment alternative (Figure 3):
,' If holes in curved arm are above holes in straight arm,
disconnect straight arm. Cut about 6" (15 cm) from the solid
end. Reconnectto trolley with cut end down as shown.
* Bring arm sections together.
* Find two pairs of holes that line up and join with bolts, lock
washers and nuts.
Pull the emergency releasehandle toward the opener at a 45°
angle so that the trolley releasearm is horizontal. Trolley will
re-engage automatically when opener is operated during the
adjustments.
HARDWARESHOWN ACTUALSiZE
©
LockWasher 5/16" Ring Fastener
Clevis Pin Clevis Pin
5/16"x1" (Trolley) 5/16"x1-1/4" (Door Bracket)
@
Nut 5/16"-18
Hex Bolt
5/16"-18x7/8"
Figure 1
Figure 2
Figure 3
Figure 4
Pulley
_.- 8" (20 cm) rain..__,,
Ring
Fastener
O4oor
Bracket
Curved
Clevis Pin Door Arm
5/16"x1-1/4"
Pulley
\ i-8"(2o ° m) i
Lock /
Washers /o_
5/16" /o/
Nuts \ £7
5/16"-1B
%-
Bracket
_ Bolts
5/16"-18x7/8"
Outer
Trolley
Clevis Pin
5/16"xl"
Emergency
Handle
Straight Door
Arm
_luts
5/16"-18
Lock
Washers
5/16"
XBolts
5/16"-18x7/8"
Cut this end
CORRECT
iNCORRECT
2O