DMN-WESTINGHOUSE AL-BL Rotary Valves
Code: AL-E.B.01.B 11-2012
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Fig. 3.1.4.3.2 Adjustment for axial and radial clearance rotor blades.
- Adjust axial/radial clearance and rotor blade using feeler gauges or copper
shims of the correct thickness.
- Above described adjustment has to be executed with all blades.
Fig. 3.1.4.3.3 Adjustment scraper blades.
Adjustment of scraper blades:
The axial clearance must be adjusted to a slightly closer tolerance (0.05-0.08 mm).
Use again feeler gauges or copper shims of the correct thickness.
The two scraper blades are set with the correct clearance at one side.
Blade L on the left side, blade R is set on the right side with the correct clearance.
After adjustment of the blade feeler gauges or copper shims
must be removed. Never let them remain in the valve.
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