and accurate installation is necessary for trouble free operation the shafts must ... a straight edge on the tooth faces or for longer centre drives a taut wire ... should be checked periodically for maximum chain life when replacement ... chain is installed check sprockets for abnormal wear which indicates ... on double multi-strand sprockets for these transmission applications chains ... are accurately measured and graded for length chains from one grade are then ... used to form a matched pair of chains complete or in ... chain are the same this being suitable for short run conveyors selective pairing ... which are then paired and identified for assembly into the total matched pair of ... 360 0155 maintenance of chain drives for slow speed drives employing manual ... frequent access to the drive is made for relubrication whilst lubricating the ...