BA_PH_116-10_EN_12-22.docx
39
15.4
Readjust Motor Brake
8.
Then retighten the securing screw (see
Figure 38) reassemble all components
Start the motor and check the braking time (maximum 10 seconds).
Figure 36: Remove the side cover
1.
In order to access the screw (
F
) to open
the fan cover and thus the motor brake,
the side cover for the terminal box must
first be dismantled and removed via the 4
fixing screws.
Figure 37: Loosen and remove the terminal box
2.
Then also unscrew the inner 4 screws and
remove the frame of the terminal box
The screw (
F
) is now accessible.
3.
Loosen all 3 screws around the fan cover
and remove the fan cover.
Figure 38: Loosen the securing screw
4.
Now loosen the locking screw on the front
side with a flat-blade screwdriver
(
by approx. 1 turn).
Figure 39: Adjusting nut for brake lining
5.
With an SW27 open-end spanner, the
brake can now be adjusted outwards
or
inwards
via the centred adjusting nut.
Figure 40: Gap to be adjusted
6.
The gap dimension (
S
) between the inside (
I
)
and the outside (
A
) must be 0.6 to 0.7 mm
Check gap dimension with feeler gauge
Figure 41: Readjust with feeler gauge
7.
If the gap is too wide, readjust approx. 1/8
turn
until 0.6 mm (max. 0.7 mm) is
reached (check at several points!)
If rattling noises occur in the area of the fan blade when turning the motor, please contact our
customer service. Possibly the brake lining is worn out .
F
F
I
A
S