Detroit Diesel 4000 Series, Service Manual, Page: 1882 / 2706

SERIES 4000 12/16V SERVICE MANUAL
To prevent possible personal injury while using grinding
wheel, adequate eye protection must be worn; faceplate,
safety goggles.
[a] If ring gear is worn or tooth flanks are chipped, regrind as necessary.
[b] If ring gear wear or tooth flank chips are beyond repair, replace component.
[c] If ring gear is not worn and tooth flanks are not chipped, continue inspection.
All information subject to change without notice.
C -1736
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