Rotax MMH-912 Series Maintenance Manual page 33

■ CAUTION:
Fig. 00-7
Procedure for classification of "On Condition Parts" at maintenance/
repair:
◆ NOTE:
Example for engines of Series 914:
Hours of operation indicated 300 h.
The determined percentage of maximum permissible wear calculated is 46.6 %.
New dimension (max)
Wear limit
Actual dimension
Actual wear
▲ WARNING: The part must be replaced (i.e. this part is excessively worn
Effectivity 912/914 Series
Edition 1 / Rev. 3
BRP-Powertrain
Maintenance Manual
New dimension (max) B is always the dimension which is
closest to wear limit C.
A negative result means that the actual dimension F is within the
new dimension tolerance D.
B = 28.03 mm (1.1035 in.)
C = 28.10 mm (1.1062 in.)
F = 28.07 mm (1.1051 in.)
57.1 %
for only 300 hours of operation).
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page 33
October 01/2010