Doosan G424FE - Rocker Arms, Linkage, Valve Lifters with; Cylinder Head and Eegine

G424F(FE) Service Manual Chapter 3. Engine Mechanical System 59
Rocker Arms, Linkage, Valve
Lifters With Cylinder Head and
Engine
Removal
Remove or disconnect
1. Camshaft case cover; see “Camshaft Cover –
Removal”, in this section.
2. Attach tool KM-565-A in the camshaft case,
supporting it over the spring plate corresponding
to the rocker arm to be removed.
3. Drive the tool pressing the valve spring.
4. Rocker arm, linkage.
5. Valve lifter.
Installation
Install or connect
1. Valve lifter, linkage and rocker arm.
2. Release the valve spring.
3. Remove tool KM-565-A.
4. Camshaft case cover; see “Camshaft Case Cover
- Installation”, in this section.