Metos RN 20, Service Manual

Page: 20 / 59

5.10.2004 Rev. 1.0
Service
14
• start the mixer and control the measure C on both pulley sets at high and low speed
resp.
• be aware that the pin 39 0n the lower part 32 of the pulley set is to be placed as
shown on the drawing opposite.
Tolerances in the transmission can cause that the special V-belt 7 is hitting the pins of the
pulley sets when the speed has been adjusted. In these cases the distance B is to be reduced
and the speed to be adjusted again.
Bowl arms 45 are to be exchange in the following way:
• a) disconnect the mixer on the main switch or disconnect the connecting cable
• b) lower the bowl arms
• c) put the mixer down on its back and take off the legs of the mixer 17 by removing
the screws 18
• d) the bottom plate 19 is taken off by removing the nuts 20
• e) take out the cutter pin 51 securing the lifting bolt 46 and the lifting nut 47
• f) take out the lifting bolt 46 and the lifting nut 47
• g) the two circlips 48 are removed from the two bowl arm guide rods 49 whereafter
the bowl guide rods 49 can be knocked back so that the bowl arms are free and can
be taken out
The lifting lever 50 is exchanged in the following way:
• a) start as described above from a) to f) incl.
• g) the crank shaft 52 is taken off by removing thecirclip 56
• h) ensure that the key 53 ha sbeen removed too
• i) the lifting lever 50 can now be taken out