Maintenance
77
Table
Drive chain tension
The table roller drive chain is under the cover, at the side of the table.
The chain should have a slight
slack.
> Check the chain tension every week
Correct the chain tension as follows:
> Loosen the lock nut
> Move the chain tensioner to the left or to the right until the chain is
tensioned correctly
> Tighten the lock nut
Table lock adjust-
ment
The table lock prevents the table from turning in the wrong direction.
When the table is fully down, the length of the bolt must be adjusted
so that the table lock
•
is open when the table rotates to the left
•
is closed when the table rotates to the right
The table lock must be adjusted if it does not work correctly.
> Turn the bolt to the left or to the right until it touches the frame
Chain tensioner
Lock nut
Table lock
Bolt
Frame
Summary of Contents for 7420
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