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RHD250 to 4000 (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/RHD250/4000-EN REV. A
1 Brake body
Figure 23: Brake body removal (motor series 1)
8. Take brake body
apart.
1
1 Brake disk
Figure 24: Brake disk removal (motor series 1)
9. Take brake disk
1
apart.
10. Remove retaining ring from brake disk pinion
pinion from the shaft (see Figure 15 on page 15)
11. See Brake adjustment on page 19.
1 Pinion screw
2 Pinion
Figure 25: Pinion removal
2 Brake disk
2 Brake disk pinion
2
and pull the
3 Removal tool
12. Undo pinion screw
1
screw when re-assembling (DELO-ML 5228 or LOCTITE 243;
both medium-firm; detachable)
13. Use appropriate removal tool
the shaft.
14. Do not damage the threaded center hole
1 Key hole
2 Key
Figure 26: Remove the key
15. Remove the key
2
; note the key position (key hole
before you take it out of the shaft groove
16. Pull front flange
3
1 Brake body
housing
4
.
1 Spring washer
Figure 27: Pinion removal
17. Remove bearing support washer (spring washer
care to place it properly when re-assembling the motor.
; use appropriate retainer to secure the
3
to pull the pinion
3 Front flange
4 Motor housing
with motor shaft out of the motor
2 Brake disk
17
2
from
1
)
1
); take
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