48 Pallet Accuglide ZoneFlex Accumulation Conveyor | Maintenance Manual | 29334206
February 14, 2018
Measuring Chain Elongation
Use the following procedure to measure the chain elongation.
1. Turn off and lockout/tagout all power to the conveyor
2. Remove enough rollers and driver pad to provide a work zone approximately three
feet long.
3. Lift the driver pad from the extended pins and lay it next to the chain.
4. Measure the total length of the 20 Link Spaces between Extended Pin #1 and
Extended Pin #21. See illustration Checking for Chain Elongation.
The total length of 20 Link Spaces on a new chain is 25 inches. When the total
length of 20 Link Spaces measures 25-1/2 inches, the chain’s elongation is 2% and
should be replaced. Refer to topic Drive Chain and Driver Pad Replacement in this
chapter for more information.
Note: Always replace the drive pad when replacing the driver chain.
5. Remove lockout/tagout and restore power.
Figure 4-6 Checking for Chain Elongation
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