5.10.2004
Rev. 1.0
Service
11
The special V-belt 7 is exchanged in the following way:
•
remove the top cover 1 of the mixer and the plastic cover 43
•
press the speed selector lever 8 back towards the back of the mixer so that the spe-
cial V-belt is loosened, and take off the special V-belt
•
the special V-belt is mounted by first placing it on the rear pulley set 9 (the motor
pulley set) and open the pulleys by pulling the special V-belt
•
turn the speed selector lever 8 back towards the back of the mixer (high speed)
and mount the special V-belt on the front pulley set 10.
•
adjust the speed
The motor pulley 9 set is taken off in the following way:
•
remove the top cover 1 of the mixer, the plastic cover 43 and the special V-belt 7
•
the motor pulley set can now be taken off by loosening the two screws 40
•
the upper half of the pulley set can be taken off by removing the circlip 41
The legs 17 of the mixer are taken off by removing the screws 18.
Relay and thermal 21 overload relay are taken out in the following way:
•
remove the top cover 1, the plastic cover 43, the special V-belt 7,and the control
box 6
•
the screws 22 are loosened
•
if the relay is to be exchanged, the screw 57 is removed
Before relay and thermal overload relay are taken out, the mixer must for safety reasons
be disconnected on the main switch, or the connecting cable disconnected.
The indicator 23 on the side of the thermal over-
load relay is adjusted to the rated current of the
motor +10%.
The motor 42 is taken out in the following way:
•
the voltage to the mixer is switched off or the connecting cable disconnected
•
remove the top cover 1of the mixer, the plastic cover 43, the special V-belt, and
the motor pulley set 9
•
the motor cable is removed from the connecting box 44 of the motor
•
put down the mixer on its back
•
take off the legs 17 and the bottom plate 19
•
by removing the four bolts 16 the motor can be pulled out backwards
The planetary head 24 is taken off in the following way:
Summary of Contents for RN 20
Page 1: ...MIXER RN 20 Service Manual S N Valid from Rev 2 0...
Page 2: ......
Page 4: ...5 10 2004 Rev 1 0 2...
Page 6: ...5 10 2004 Rev 2...
Page 24: ...5 10 2004 Rev 1 0 Spare parts 18...
Page 26: ...5 10 2004 Rev 1 0 Spare parts 20...
Page 28: ...5 10 2004 Rev 1 0 Spare parts 22...
Page 30: ...5 10 2004 Rev 1 0 Spare parts 24...
Page 32: ...5 10 2004 Rev 1 0 Spare parts 26...
Page 34: ...5 10 2004 Rev 1 0 Spare parts 28...
Page 36: ...5 10 2004 Rev 1 0 Spare parts 30...
Page 38: ...5 10 2004 Rev 1 0 Spare parts 32...
Page 40: ...5 10 2004 Rev 1 0 Spare parts 34...
Page 42: ...5 10 2004 Rev 1 0 Spare parts 36...
Page 44: ...5 10 2004 Rev 1 0 Spare parts 38...
Page 46: ...5 10 2004 Rev 1 0 Spare parts 40...
Page 48: ...5 10 2004 Rev 1 0 Spare parts 42...
Page 50: ...5 10 2004 Rev 1 0 Spare parts 44...
Page 52: ...5 10 2004 Rev 1 0 Spare parts 46...
Page 54: ...Wiring diagrams...
Page 55: ...Installation drawing RN20...
Page 56: ...Installation drawing RN20 Table...
Page 57: ...Installation drawing RN20 Stand...
Page 59: ......
