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August 2006 Vol. 2 No. 8

How to Adjust Conveyor Drive Chain Alignment and Tension

Your conveyor's drive chain and sprockets should be checked on a regular basis to insure proper tension, alignment and lubrication. Improper adjustment or lubrication may cause noise and/or extensive wear to the drive components, resulting in a shorter life cycle and decreased conveyor performance. The good news is that it’s something you can easily adjust and maintain. See illustrations (figures 21A-21C) below to help you with this information.

Figure 21A How to Adjust Conveyor Drive Chain Alignment and Tension
Figure 21B Figure 21C

To make adjustments to your conveyor:

  1. Disconnect and lockout power to the conveyor.
  2. Remove the chain guard.
  3. Check sprocket alignment by placing a straightedge across the face of both sprockets. The faces of the two sprockets should be square with the straightedge. If not, loosen the set screws in one or both sprockets and adjust as necessary to align the two sprockets. Re-tighten the set screws.
  4. To adjust chain tension, loosen the bolts that fasten the motor base to mounting angles on both sides. Tighten take-up bolts until desired chain tension is reached. Do not over-tighten. A good rule of thumb is 1/4" deflection in the chain between the sprockets. Make sure both sides are adjusted the same amount to maintain sprocket alignment. This can be measured at the take-up bolts. Re-tighten mounting bolts.
  5. Lubricate the chain per your maintenance instructions.
  6. Replace the chain guard.
  7. Re-connect power on to conveyor and run to test.

Caution: Never remove chain guards while the conveyor is running. Always replace guards after adjustments are made.


Another Shipping InnovationAnother Shipping Innovation

In 1964 as a commitment to service, Hytrol announced that "if we're late we pay the freight" for all 24-HOUR SHIPMENTS.

In January 2006 this promise was also made on all ONE-WEEK ITEMS*.

And now, as of June 2006, for all TWO-WEEK ITEMS** we guarantee on time shipment or "WE PAY THE FREIGHT". †

Whether the order is large or small, it will be shipped on time. This means that your order will leave our dock within two weeks of the date your order is placed. (Except for delays due to acts of nature, carrier work stoppage, etc.)

* 1 Week constitutes 5 Business Days
** 2 Weeks constitutes 10 Business Days
† Contact Babush for more information regarding our two-week shipment program or for any of your material handling needs.

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Babush Material Handling W222 N5739 Miller Way
Sussex, WI 53089
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