Detroit Diesel 4000 Series, Service Manual, Page: 1366 / 2706

SERIES 4000 12/16V SERVICE MANUAL
C 186.05.08 – INSPECTION AND REPAIR
Inspection and Repair
Perform the following steps for the inspection and repair of oil spray nozzle:
NOTE:
Ensure that parts are perfectly clean.
To avoid an eye injury when blow drying parts, wear
adequate eye protection (safety glasses or faceplate) and
do not exceed 276 kPa (40 lb/in.
2
) air pressure.
1. Clean oil spray nozzle, bracket and oil pipe with a suitable cleaner and carefully blow
clear with dry air.
2. Visually inspect oil spray nozzle for damage and defects.
[a] If oil spray nozzle shows damage or defects, replace component as necessary.
[b] If oil spray nozzle does not show damage or defects, continue inspection.
3. Visually inspect oil spray nozzle for surface cracks using red penetrant dye.
[a] If oil spray nozzle is cracked, replace nozzle as necessary.
[b] If oil spray nozzle is not cracked, continue inspection.
To avoid an eye injury when using compressed air, wear
adequate eye protection (safety glasses or faceplate) and
do not exceed 276 kPa (40 lb/in.
2
) air pressure.
4. Pressure-test oil pipe lines for leaks with compressed air in water bath as necessary.
[a] If oil pipe lines show leaks, replace lines as necessary.
[b] If oil pipe lines do not show leaks, continue inspection.
NOTE:
Test pressure is 0.5 bar.
All information subject to change without notice.
C -1220
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