CHAIN OR BELT - TENSION ADJUSTMENT
WARNING
Belt
•Observe all safety warning and precautions!
•Disconnect power from opener and disconnect carriage in rail from bullet before beginning this task.
Visually inspect the chain or belt every 6 months.
NOTE: Tension adjustments should be made with the door in the down position and the carriage released.
Adjustment required
Belt
Correctly adjusted
Approx. 1/8"
• At the center of the rail the chain or belt should |
not be resting on the rail. See adjustment |
illustration on right. |
– With the bullet NOT engaged to the carriage, |
tighten adjustment nut until chain/belt does |
Belt at center of rail
BELT
Chain
| not, at the center of the rail, rest on rail. Do NOT |
| overtighten. |
• | Is there rust on chain or frayed edges on belt? |
| – Contact a trained door system technician for |
| chain/belt replacement. |
• | Are there kinks or twists in the chain or belt? |
| – Contact a trained door system technician for |
| chain/belt replacement. |
Adjustment required
Chain
Correctly adjusted
Approx. 1/8"
Tighten nut to increase tension on chain or belt
REMOTE BATTERY REPLACEMENT
Replace remote battery with a CR 2032 coin cell battery.
1.Open the remote case using a washer or coin that fits into the slot at the top of the remote.
2.Replace battery.
3.Align components and snap case closed.
Chain at center of rail
CHAIN
©2010 The Genie Company | 12/2010 | 21 |
