Fig. 6 - Wear on Belt Grooves                        Fig.
                                                                                            Pos. 2
      wear _____.-
                                                 The Motor Pulley
The measuring gauge is available from our
After-Market Service Department and has the      •    First place the motor pulley on the motor
following Part no. 1622.001.                          shaft. Then turn the bushing so that the
                                                      key on the shaft enters the key groove of
                                                      the bushing.
                                                      It must be possible to fit the bushing ma-
Mounting and Adjusting of the                         nually. It is not recommended to beat at
V-Belt Drive                                          the bushing as this procedure may dama-
                                                      ge the bearings of the motor.
Modern V-belt drives are very sturdy and ef-
fective, but require on the other hand           • Turn the belt pulley so that all the
a correct installation and adjustment.             threaded holes in the pulley face the
                                                   smooth holes in the bushing as is shown
                                                   in fig. 8.
Before mounting the V-belt drive, it is neces-
sary to clean and degrease all machined sur-
                                                 Fig. 8
faces of the belt pulleys, shafts and bushing.
                                                              Bush no.       Bush no.
Then proceed as follows:                                      TB 1008-3030   TB 3525-5050
The Compressor Pulley
• Place the compressor pulley on the coni-
  cal shaft and turn it so that the key on the
  shaft faces the key groove.
                                                 " Oil the two or three socket cap screws, fig.
• Mount the washer, pos. 1, and the screw,         8, and mount them in the above-mentio-
  pos. 2, as shown in fig. 7 and tighten them      ned holes. Tighten the screws exactly
  to a torque of 130 Nm.                           so much that it is still possible to move
152                                                                              0171 -370-EN