74
Maintenance
Pre-stretcher
The pre-stretcher must be checked
•
after the first 50 working hours
•
after every 500 working hours
Checking the pre-
stretcher rollers
> Check that the bolts of the rollers gears are tightened correctly
> Check that the pre-stretcher rollers can be moved by hand easily
> Check that the pre-stretcher rollers are clean
Pre-stretcher
rollers
Summary of Contents for 7420
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