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Verify that the belts are running in the middle of the basket pulley.
Verify the belt tension according to the table below. Belt tension measurements
should be taken as close as possible to the center of the belt span (see gure).
Annual maintenance
Belt tension:
Belt tension testing table
Model Belt Frequency (Hz) Tension force (N) Deection (mm) Deection force
MIN
MAX
MIN
MAX
at MIN
tension
at MAX
tension
MAX
WFF65 PJ8 1355 98 103 301 332 8,8 7,9 40
WFF75 PJ8 1355 98 103 301 332 8,8 7,9 40
WFF100 PJ8 1355 98 103 301 332 8,8 7,9 40
WFF135 PK7 1520 65 69 425 489 11,5 10,8 53
WFF165 PK7 1520 65 69 425 489 11,5 10,8 53
1 Deection
2 Span length