Page No.9
NDS2 issue A
Spicer SpecialityAxle Division - Technical Publications
© Spicer Speciality Axle Division
SECTION 4 Guidance standards for acceptable brake drum crazing (if fitted).
Every 30000 miles (48000 km) or whenever brake drums are removed for axle maintenance purposes
they should be checked for crazing.
Brake drums with crazing in excess of that shown in fig.6 below, and which are of
Spicer Speciality axle division manufacture should not be re introduced into service.
Figs.7 & 8 show examples of unacceptable crazing.
fig.6
fig.7
fig.8
B
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