Workshop Manual

14.8 REMOVAL OF VALVE SPRING (CYLINDER HEAD INSTALLED)

Remove and clean as follows:

1. Steam clean the engine.

2. Drain the fuel system. Refer to section .

3. Remove the rocker cover. Refer to section 1.2.

4. Remove the rocker arm assemblies. Refer to section 2.2.

5. Remove the intake and exhaust camshafts. Refer to section 2.2.

6. Remove the camshaft housing. Refer to section 3.1.

NOTE:

All valve spring or seal removal and replacement must be completed for each cylinder

being serviced while the piston is at Top Dead Center (TDC). After servicing a cylinder,

turn the crankshaft to TDC for the next cylinder being serviced.

7. Remove the fuel injector from the appropriate cylinder. Refer to section .

8. Using Engine Barring Tool (J-46392), bar the engine over until the cylinder is at Top

Dead Center (TDC) .

EYE INJURY

To avoid injury from ﬂying debris when using compressed

air, wear adequate eye protection (face shield or safety

goggles) and do not exceed 276 kPa (40 psi) air pressure.

9. Install the adaptor (J-47411) into the cylinder and torque to 20 N·m (14 lb·ft) plus 90

degrees with the injector hold-down clamp and bolt, connect shop air to compression

adaptor.

All information subject to change without notice.