Doosan D55C-5 Service Manual

D439E Service Manual 2. Engine Mechanical System (D439E)
58
9. Measure the outer diameter of valve stem. If the
measurement is below the limit, replace the valve
stem.
Outer diameter of valve stem
- Intake valve
Reference : 8.96 ~ 8.97 mm
Limit : 8.85 mm
- Exhaust valve
Reference : 8.93 ~ 8.94 mm
Limit : 8.85 mm
10. Measure the inner diameter of valve guide and
outer diameter of valve stem. If the clearance
exceeds the limit, replace the valve guide.
Clearance between valve stem and valve guide
- Intake
Reference : 0.04 ~ 0.06 mm
Limit : 0.15 mm
- Exhaust
Reference : 0.07 ~ 0.10 mm
Limit : 0.2 mm

Doosan D55C-5 Specifications

General

Brand	Doosan
Model	D55C-5
Category	Engine
Language	English