Handleiding
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SET SCREW TIGHTENING SCHEDULE
1. Before initial operation of the fan, tighten set screws
according to the procedure outlined below.
2. After 500 operating hours or three months, whichever
comes rst, tighten set screws to the full recommended
torque.
3. At least once a year, tighten set screws to the full
recommended torque.
PROCEDURE FOR TIGHTENING SET SCREWS IN
BEARINGS AND HUBS
One Set Screw Application
Using a torque wrench, tighten the set screw to the torque
recommended in Table 1.
Two Set Screw Application
1. Using a torque wrench, tighten one set screw to half of the
torque recommended in Table 1.
2. Tighten the second set screw to the full recommended
torque.
3. Tighten the rst set screw to the full recommended torque.
VARIABLE FREQUENCY
DRIVES AND MOTORS
There are occasions when a Variable Frequency Drive (VFD)
will cause poor motor performance and possible damage.
To avoid these problems, the Company recommends the
following:
1. Select compatible motor and VFD inverter; if possible,
the motor and the inverter should be from the same
manufacturer or at least the inverter selected should be
recommended by the motor manufacturer.
2. A motor shaft grounding system should be used to prevent
motor bearing damage from eddy currents.
NOTE: The Company will not honor motor warranty claims
if the customer fails to follow these recommendations.
Set Screw Diameter Torque (in-lbs)
#10 35
1/4 80
5/16 126
3/8 240
7/16 384
1/2 744
9/16 1080
5/8 1500
3/4 2580
7/8 3600
1 5400
Table 1. Recommended Tightening Torque
for Set Screws
_________________________________________________________________________________________________________________
2017 © North American Kitchen Solutions
172 Reaser Court
Elyria, OH 44035
www.naksinc.com
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Productinformatie
| Merk | NAKS |
| Model | 28B-2400-FF |
| Categorie | Afzuigkap |
| Taal | Nederlands |
| Grootte | 846 MB |
