Operators manual MODEL 80XX Planter
page 73 of 173
Maintenance
Chain drives
Only carry out adjustments and maintenance work when the engine is switched off!
Remove ignition key!
Secure the machine against rolling away!
Mount all guards correctly after completing any adjustments.
Periodic maintenance:
- Check chain tension
- Carry out a visual inspection for damage.
- Lubricate with chain spray as instructed.
Maintenance at the end of the harvesting season:
- Clean all drive chains and spray them with chain spray in order to prevent corrosion
- Replace worn parts.
- Check chain tension.
Check chain tension:
During the first few operating hours, check the chains frequently for the correct tension.
The sag of a chain should be equal to approx. 2% of the distance between the shafts of driving and
driven chain sprockets, measure a on the side opposite the chain tensioner. The chain should not
sag at all on the side of the chain tensioner.
Example:
If the shaft spacing between driving and driven chain sprockets is equal to 250mm, then the sag of the
chain should be 5mm
Chains which are too loose cause rapid and excessive wear on the roller links and chain sprockets.
Chains which are too taut cause excessive wear on the chain, the bearings and the shafts.
All further information necessary for the care of chain drives can be found on the following pages.
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