Inspect Row Command™ Drive Chains and Sprockets

1. 
   A66016-UN-09DEC09

   
   A66017-UN-09DEC09

   A - Tensioner Block

   B - Tensioner Block

   For quick reference, when new chains are installed, tensioner block (A) is in position shown.

   When chains have been in service for a season, tensioner block (B) can be more vertical as shown.

   A vertical tensioner is an indication to remove links or replace chain.

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2. 
   A66015-UN-09DEC09

   A - Chains

   B - Sprockets

   Inspect all chains (A) and sprockets (B) for wear and damage. Replace as needed.

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