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Page Title: Figure 6-13. Crankcase restricted welding areas
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e. Repair. Repair or replace damaged parts.
the underside of the cylinder deck machined
Refer to paragraph 6-4e, table 6-3, and figure 6-
surface is permitted providing damage does not
15 through 6-17 when replacing crankcase studs.
progress into restricted area indicated in figure 6-
Repair of crankcases by welding is permissible
13.  Damaged  cylinder  stud  holes  may  be
except  in  areas  of  high  stress  such  as  radii,
repaired, but entire missing sections may not be
webbing, and bosses. Refer to paragraph 6-4c for
replaced. It is permissible to repair machined
general welding instructions and (1) through (3)
surface  mounting  bosses  on  pads  which  have
below for specific information on welding repair
been damaged by fretting, scoring or impact
of
the
crankcase.
except in those areas indicated in figure 6-13.
(1) Repair by blending, of nicks, grooves,
Weld surfaces must be restored to specified
dimensions  by  machining.
or impact damage on the inside of crankcase on
Crankcase
restricted
welding
areas.
6-19

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