Deprag 347-228U, Operating Instruction Booklet

Page: 17 / 40

17
12. Press the motor- and gearing parts out of the interior motor housing
385195 (by means of a suitable arbor) towards air inlet side.
a. Clamp rotor cylinder into chucking jaws.
b. Pull off shaft-side bearing cover from rotor.
c. Remove rotor cylinder.
NOTE
Exchange only complete sets of vanes.
d. Remove vanes and check them thoroughly. Vanes that are too narrow
or damaged have to be replaced in sets .
e. Pull off air connecting-side bearing cover from rotor.
f. Press the two ball bearings from the bearing covers.
NOTE
The minimum vanes width should be 5 mm.
Assembly:
Use the DEPRAG Grease 807293 (100-g tube) to grease the
ball bearing, needle bearing and gearing parts prior to
reassembly.
a. Clean rotor.
b. Press the ball bearings into the two bearing covers.
c. Press the shaft-side bearing cover with the ball bearing on the rotor.
d. Insert the new vanes into the rotor.
e. Put the rotor cylinder over the rotor.
After assembly the bearing covers shouldn’t have any axial
gap. The rotor must turn freely.
f. Press air-connecting side bearing cover with the ball bearing on the rotor.
1. Clamp interior motor housing 385195 with the chucking jaws 460781 into
a vice.
2. Push the motor- and gearing parts (correctly sequenced) into the interior
motor housing 385195.
3. Tighten valve housing 384717 by means of Allen key 800428 (right-hand
thread).
4. Apply grease to valve housing 384717 and press the 4 balls 802171 into
the appropriate recess.