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5.
Maintenance
With the description of the individual maintenance steps, the same position numbers are used here for the identification
of the component as can be found in the spare parts drawing (page 12) and the spare parts list (page 13).
In order to enable simple, easy maintenance work, we recommend following the sequence of the individual steps.
The device must be dismantled from the plant prior to maintenance work.
5.1
Dismantling the proximity sensors
Caution
!
5.2
Dismantling the drive unit
Remove the plug (206) and loosen the connection between the adjustable coupling (207) and pin (204) by partially
unscrewing the threaded pin (Figure 7).
Fig 7: Position of the threaded pin
Then remove the plug (211), loosen the cylinder screw (212) and remove it with the bush (213). Then the four
cylinder screws (214) can be loosened and the stepper motor (215) with adjustable coupling unit (207) can be
removed from the induction elbow (223) (Fig. 8)
Fig 8: Stepper motor with adjustable coupling
The adjustable coupling (207) is screwed onto the motor spindle; it can be removed by rotating the spindle.
Clean the parts and check the condition of the transmission thread (inside and outside thread). Let the cleaned parts
connection is firmly seated.
Before dismantling the drive unit of the mixer and beginning with the maintenance work,
the proximity sensors (208) should be removed from the device in order to prevent damage.
Prior to the dismantling, the sensors should be disconnected from the power source.
Unscrew the cable sockets (209) from the initiators. Loosen the counter nuts of the proximity
sensors and unscrew the sensors from the adapter.
Adjustable coupling
Disc
Threaded pin
Stepper motor
Motor spindle
Adjustable coupling
985.29-1 p.09
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