IV - 7
Maintenance
4.4 Laid maize worm drive belt
(right / left)
4.4.1 Checking the drive belt tension
Check the drive belt tension after the
first 10 operating hours, then every 60
operating hours.
• Unscrew the hexagon head screws (2) and remove
the protective plate (1).
• Check the drive belt (1) for cracks or other damage,
if necessary renew the drive belt.
Always change the drive belts in pairs.
• Check the drive belt (3) tension in the middle by
pressing in (pressing force about 50 N). If the depth
of pressing in is a = approx 20 mm, the tension of
the drive belt is correct, if necessary correct it.
4.4.2 Correcting the drive belt tension
• Loosen the mounting screws (1) a little.
• Loosen the counter nut (2) and correct the
pretension by turning the nut (3).
• Check the tension of the drive belt, if necessary
repeat the process.
• Tighten the counter nut (2) and mounting screws
(1).
• Fit the guard.
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