Detroit Diesel Series 60 EGR Technician Manual page 151

NOTE:
The pressure should have dropped significantly to approximately 62 kPa (9 psi).
[a] If the air pressure dropped to 62 kPa (9 psi), no further testing is required. Test
A has been completed.
[b] If the pressure dropped slightly, perform steps 8 through step 10.
8. Physically inspect the EGR valve for a mechanical failure. If the EGR valve is not
functioning correctly, replace the EGR valve.
9. Visually inspect the EGR cooler for restrictions. If the EGR cooler is restricted, replace
the EGR cooler.
10. Visually check the delivery pipe for restrictions. Clean the pipe as necessary to remove
restrictions.
11. Verify repairs.
All information subject to change without notice. (Rev. June 2005)
7SE60 0506 Copyright © 2005 DETROIT DIESEL CORPORATION
SERIES 60 EGR TECHNICIAN'S MANUAL
10-11