SUHNER BEX 15, Technical Document

Page: 26 / 48

3.1.1 c
hAnging the driVe cOnfigurAtiOn
/ B
elt exchAn
-
ging
(z
fOrm
)
Loosen six screws, and remove the two covers (1). Turn
the motor’s belt pulley so that the two through holes in the
pulley are concentric with the screws of the motor plate.
Using a 5 mm allen key, loosen the cheese head screws
now visible. Turn the belt pulley through 90° to access the
next two cheese head screws (2). By applying a 4 mm
allen key anticlockwise, lower and remove the motor with
the belt pulley (3). Remove the screw together with the
spring clip and washer (4). Draw off the motor’s belt pul-
ley (5).
Loosen four screws, and remove the cover (1). Remove
spindle nut, and draw off the spindle’s belt pulley (2). Re-
move the belt (3). Insert new belt pulley and fix with spin-
dle nut. Insert new belt. Fit cover with four screws.
Insert new motor belt pulley (1). Fit the screw together with
the spring clip and washer (2). Tighten screw with a 4 mm
allen key (3). Turn the motor’s belt pulley so that the two
through holes in the pulley are concentric with the screws
of the motor plate. Using a 5 mm allen key, fix the cheese
head screws now visible. Turn the belt pulley through 90°
to access the next two cheese head screws (4). Fit cover
with six screws (5).
Note the correct belt tension!
3.1.2 c
hAnging the driVe cOnfigurAtiOn
/ B
elt exchAn
-
ging
(u
fOrm
)
Loosen eight screws, and remove the two covers (1). Turn
the motor’s belt pulley so that the two through holes in the
pulley are aligned to the elongated holes in the housing.
Using a 5 mm allen key, loosen the cheese head screws
now visible. Turn the belt pulley through 90° to access the
next two cheese head screws (2). By applying a 4 mm
allen key anticlockwise, lower and remove the motor with
the belt pulley (3).
26
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