17
7. Unscrew air inlet 374049 A at valve housing 374047 complete (AF 17,
right-hand thread).
8. Insert pressure pin 460778 or allen key 800449 (AF 6) into the hex of the
gear support or spindle (located in gearing) and push the motor- and
gearing parts out of the motor housing in direction of the air inlet.
a. Clamp rotor cylinder into fixing device.
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.
IMPORTANT
Minimum vanes width should be 3 mm.