Revised A 46 6301
5. Maintenance (continued)
5.3.8 Turbine repair procedures (continued)
Step 5:
Hold the part (stator or rotor) flat on the sanding paper applying
even pressure and slide in a figure 8 without lifting the part while
sanding, change sand paper if required then proceed with sanding
the part until all surfaces are free of imperfections, repeat if
necessary.
Note: Always use fresh water and new sand paper after each
sanding operation.
Step 6:
Final sanding is done using sand paper 600 or finer until all sur-
faces are well polished, this time starting with the rotor.
Step 7, 8 and 9:
(Make sure there is no water or grit left in the bearing holes). Dry
all components with compressed air then wipe with a clean soft
cloth. Reassemble the turbine according to instruction see § 6.4.2
page 58.
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