5
30
R..7, F..7, K..7, S..7, Spiroplan
®
W Gear Units – Operating Instructions
Startup
5Startup
5.1 Startup of helical-worm and Spiroplan
®
W gear units
Running-in
period
Spiroplan
®
and helical-worm gear units require a running-in period of at least 24 hours
before reaching their maximum efficiency. A separate running-in period is required for
each direction of rotation if the gear unit is operated in both directions of rotation. The
table displays the average power reduction during the running-in period.
5.2 Startup of helical, parallel shaft helical and helical-bevel gear units
There are no special startup notes that have to be observed for helical gear units,
parallel shaft helical gear units and helical-bevel gear units, if the gear units have been
mounted according to the section "Mechanical Installation."
Note: The direction of rotation for the output shaft has been changed from CW to CCW
for helical-worm gear units S..7 series compared to the S..2 series. Switch two motor
feeder cables to change the direction of rotation.
No. of
starts
Helical-worm Spiroplan
®
power reduction i range power reduction i range
1 start approx. 12% app. 50...280 approx. 15% approx. 40...75
2 starts approx. 6% app. 20...75 approx. 10% approx. 20...30
3 starts approx. 3% app. 20...90 approx. 8% approx. 15
4 starts - - approx. 8% approx. 10
5 starts approx. 3% app. 6...25 approx. 5% approx. 8
6 starts approx. 2% app. 7...25 - -
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