Stop, Servicing – NORD Drivesystems Berges-VG User Manual

Page 22

Stop!

Never adjust the speed at standstill!
Adjusting the speed at standstill damages theRGAE.

Always ensure that the wide V-belt

does not contact the base of the hub ( clearly audible, whistling running noise ).

cannot move beyond the edge of the variable-speed pulley and/or spring pulley.

Procedure in the case of electrical remote control ( Figure 7 )

1. Swich on the drive motor ( Pos.8 ).
2. First set the upper speed limit ( n

2max

- Check the speed with the hand-held rev-counter and increase the speed to
maximum speed with button S1
- Slide the limit swich S3 against the operating pin until the operating pin can
be heard to swich.
- Firmly tighten the securing bolts of the limit swich.

3. Then set the lower speed limit in the same way. ( Button S2 and limit swich S4 )

Procedure in the case of spindle and angle adjustment (Fig.10 and 11)

1. Swich on the drive motor ( Item 8 - Figures 3 and 4, Page 12 ).
2. Detach the bottom cover plate ( Item 4 ) on the adjustment device.
3. Adjust the drive with the handwheel ( Item 8 ) and hand - held rev -counter to

maximum speed in accordance with the rating plate ( Item 1 - Figures 3 and 4,
Page 12 ).

4. Adjust the nut ( Item 6 ) as the end limit ( self-locking nut ).
5. Set the minimum speed in the same way with the nut ( Item 5 ). (self-locking nut)
6. Reattach the cover plate ( Item 4 ).
7. Then, using the hand-held rev-counter, check that the reading of the position indi-

cator ( optional ) on the handwheel corresponds to the actual speed value or the
corresponding comparison value.

Caution!

Pressure pot of the speed adjustment device must be in contact with
the bearing ring.
Pressure pot should not cause any friction at all times.

Adjusting the position indicator ( Figures 10 and 11 )

1. Undo the setscrew ( Item 7 ) and remove the scale insert ( Item 9 ).
2. Turn the scale insert ( Item 9 ) until the reading corresponds to the actual value

or comparison value.

3. Reinsert the scale insert ( Item 9 ) into the handwheel and lock it with the set -

screw ( Item 7 ).

Servicing