Systems and Equipment - 134 RT80Q Operator’s Manual
Chain, Teeth, and Sprockets
Chain, Teeth, and Sprockets
Chain and Tooth Maintenance
• Always replace sprockets at the same time you replace the digging chain. Sprockets and chain are
designed to work together. Replacing one without the other will cause premature wear of the new part.
• Keep digging teeth sharp. Using dull, worn teeth will decrease production and increase shock load to
other trencher components. It can also cause chain stretch, which leads to premature chain wear and
failure.
• Maintain the proper amount of tension on the digging chain. Overtightening will cause chain stretch
and loss of machine performance. For correct tightening procedure, see “Check Digging Chain
Tension” on page 155.
• Use the tooth pattern most appropriate for your digging conditions. If you move to a different soil type,
contact your Ditch Witch dealer for information about the most effective chain type and tooth pattern.
Chain Types
Chain type Features
4-pitch standard chain
2-pitch more teeth for smoother cutting
alternating side bar prevents spoil compaction on chain
bolt-on adapters allow easy configuration changes
Shark Chain II versatile, virtually maintenance-free
combination provides pick and shovel effect
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