P20K2E7
7.3
7.1.2 Procedure for Replacing of Clutch
a) Switch the motor off, pull the mains plug out, and wait for the motor to come to complete stop.
b) Take the belt off the belt pulley (10).
c) Remove the belt pulley from the shaft.
d) Pull the plug out of socket X8 on the control box.
e) Remove the three screws (13) and pull end bell (12) with clutch/brake assembly off the A end bell
(20) of the motor.
f) Check and clean flange (7).
If the flange shows wear grooves, replace this part.
g) Before placing the new clutch/brake unit, check that the dust washer (not shown in the figure) is
securely seated in the central bore of flange (7).
h) Place the new clutch/brake unit on to the A end bell (20) of the motor and fasten by means of the
three screws (13)
i) Mount the belt pulley.
Put the belt in place and insert the connecting plug of the clutch/brake unit into socket X8 on the
control box.
7.1.3 Procedure for Replacing the Clutch and Brake Disk
a) Proceed as described under 7.1.2, Steps a) through g).
b) Slide clutch disk (5) off the gearing on the output shaft (14).
c) Separate clutch solenoid body (16) from end bell (12) so as to allow brake disk (17) to be removed
from the gearing on output shaft (14).
d) Clean the brake face of brake solenoid body (18).
e) Clean the gearing on output shaft (14) and slide new brake disk (17) on.
f) Slide stop washer (19) with its grease-filled side onto the brake disk hub.
g) Slide new clutch disk (5) onto the gearing of output shaft (14) and press stop washer (19) in.
h) Slide clutch solenoid body (16) onto end bell (12). Make sure that the plug on the end bell is
correctly inserted into the socket on the clutch solenoid body.
i) Place the clutch/brake unit on to the A end bell (20) of the motor and fasten by means of the three
screws (13)
j) Mount the belt pulley.
Put the belt in place and insert the connecting plug of the clutch/brake unit into socket X8 on the
control box.
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