Loading ...
Loading ...
Loading ...
ASSEMBLY STEP 2
FastentheRail totheMotor Unit
• Inserta 1/4"-20xl-3/4" bolt into the cover protection
bolt hole on the backend of the rail as shown. Tighten
securely with a 1/4"-20 lock nut. DO NOTovertighten.
- Removethe two bolts from thetop of the motor unit.
• Placethe"U" bracket,flat side down, on themotor unit
andalign the bracket holes with the bolt holes. Fasten
with the previously removed bolts.
- Alignthe rail assembly with the top of the motor unit.
Slidethe raftend onto the "U" bracket,all the way to the
stops that protrude on thetop and sides of the bracket.
To avoid SERIOUSdamage to garagedoor opener, use
ONLYthose botts/fasteners mounted in the top of the
opener.
Boils Motor Unit
Sprocket
HARDWARESHOWNACTUAL SIZE
LockNut
1/4"-20
Bolt 1t4_-20x_-3/4"
ASSEMBLY STEP 3
Install theIdler Pulley
• Lay the belt beside the rail, asshown. Graspthe
endwith the hookedtrottey connector and pass
approximately 12" (30 cm) of be_tthrough the window.
Keepthe ribbed side toward the rail, and aitow it to
hang until Assembly Step 5.
. Removethe tapefrom the idler pulley. The inside
center should bepro-greased. If dry, regreaseto ensure
proper operation.
• Placethe idler puIley into the window as shown.
• Insert the idler holt from thetop through the rail
andpulley. Tighten with a 3/8" Iockwasher and nut
underneath the rail until the lock washer is compressed.
• Rotatethe pultey to besure it spins freely.
• Insert a t/4"-20xl-3/4" bolt into the trolley stop hole in
the front of therail as shown. Tighten securely with a
t/4"-20 lock nut.
Lock
Washer
3/8"
SLIDE RAIL TO STOP:
ONTOP AND SIDES
OFBRACKET
Lock Nut
Bolt
Trolley
StopHole
Grease '_
InsidePulley\
Trolley Id]er _ Nut
Connector Pulley
HARDWARESHOWNACTUALSIZE
Lock Washer 3/8"
@
LockNut1/4"-20
Nut 3/8°
Bolt114"-20xt-3/4"
Loading ...
Loading ...
Loading ...