7
Annual maintenance
Belt tension:
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 figure).
Belt tension testing table
Model |
| Belt | Frequency (Hz) | Tension force (N) | Deflection (mm) | Deflection force | |||
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| at MIN | at MAX |
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| MIN | MAX | MIN | MAX | tension | tension | MAX |
HF150 | 10J | 1549 | 91 | 111 | 708 | 1050 | 7,3 | 5,3 | 50 |
HF185 | 10J | 1549 | 91 | 111 | 708 | 1050 | 7,3 | 5,3 | 50 |
HF234 | 10J | 1663 | 87 | 92 | 821 | 1050 | 7,4 | 6,6 | 50 |
HF304 | 10PK 2120 | 62 | 67 | 1067 | 1182 | 10,6 | 5,6 | 75 | |
1 Deflection
2 Span length
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