Chamberlain PD612EV Manual for PD612EV Manual - Page 8

STEP 3 Install the idler pulley

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Assembly STEP 3 Install the idler pulley 1. Lay the chain/cable beside the rail, as shown. Grasp the end of the cable and pass approximately 12" (30 cm) of cable through the window. Allow it to hang until Assembly Step 4. 2. Remove the tape from the idler pulley. The inside center should be pre-greased. If dry, regrease to ensure proper operation. 3. Place the idler pulley into the window as shown. 4. Insert the idler bolt from the top through the rail and pulley. Tighten with a 3/8" lock washer and nut underneath the rail until the lock washer is compressed. 5. Rotate the pulley to be sure it spins freely. 6. Locate the rail tab. The rail tab is near the idler pulley on the front rail section. Use a flat head screwdriver and lift the rail tab until the tab is vertical (90º). HARDWARE Bolt Nut 3/8" Lock Washer 3/8" Rail Tab CORRECT INCORRECT Rail Bolt Rail Tab Lock Washer 3/8" Nut 3/8" Grease Inside Pulley Idler Pulley 7

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7
Assembly
STEP 3 Install the idler pulley
1.
Lay the chain/cable beside the rail, as shown. Grasp the end of the cable and pass
approximately 12" (30 cm) of cable through the window. Allow it to hang until Assembly Step 4.
2.
Remove the tape from the idler pulley. The inside center should be pre-greased. If dry, regrease
to ensure proper operation.
3.
Place the idler pulley into the window as shown.
4.
Insert the idler bolt from the top through the rail and pulley. Tighten with a 3/8" lock washer and
nut underneath the rail until the lock washer is compressed.
5.
Rotate the pulley to be sure it spins freely.
6.
Locate the rail tab. The rail tab is near the idler pulley on the front rail section. Use a flat head
screwdriver and lift the rail tab until the tab is vertical (90ยบ).
HARDWARE
Bolt
Nut 3/8"
Lock Washer 3/8"
Rail
Idler Pulley
Grease Inside Pulley
Bolt
Lock Washer 3/8"
Nut 3/8"
Rail
Tab
CORRECT
INCORRECT
Rail Tab