Detroit Diesel EPA07 Series 60 DDEC VI Troubleshooting Manual page 112

6.5 WORN OR DAMAGED VALVE OR CYLINDER KIT
6.5.1.1 Test Engine with Repaired Cylinder Head Valve(s), and Cylinder
Kit
Refer to section 6.5 for exhaust caution before proceeding. To determine if the cylinder head
valve and cylinder kit repair resolved the excessive oil consumption.
1. Perform a crankcase pressure test if reading is below 1.25 kPa (5psi) no further
troubleshooting is required.
2. If the crankcase pressure test is reading over.25 kPa (5 psi), call the Detroit Diesel
Customer Support Center at 313–592–5800.
6.5.1.2 Cylinder Compression Test
Perform the following steps for a compression test on a Series 60 Engine:
To avoid injury from inhaling engine exhaust, always
operate the engine in a well-ventilated area.
exhaust is toxic.
1. Start and run the engine until normal operating temperature is reached. Stop the engine.
2. Disconnect the batteries.
3. Disconnect the fuel pump feed line from the fuel tank. Place a suitable container under
the line to catch the spilling fuel. Turn the ¼ turn valve off on the outlet fitting of the
secondary fuel filter.
4. Disconnect the fuel supply line to the cylinder head. Place a suitable container under the
line to catch the spilled fuel. Disconnect the fuel return line from the doser valve and place
a suitable container under the line to catch the spilled fuel.
6-10
PERSONAL INJURY
Engine
All information subject to change without notice.
Copyright © 2007 DETROIT DIESEL CORPORATION