Komatsu SAA6D114E-3 - Page 101

10 Structure, function and maintenance standard SEN00176-02
114E-3 Series
31
Unit: mm
No. Check item Criteria Remedy
1 Sunk depth (A) of valve 0.84 – 1.32
Replace valve or
valve seat
2 Thickness (B) of valve head
Intake Min. 2.20
Replace
Exhaust Min. 1.83
3 Angle of valve seat
Valve Angle Repair limit
Correct or replace
valve, valve seat
Intake 30°
Judge condition of contact
surface with vacuum test
Exhaust 45°
4 Outside diameter of valve stem 7.96 – 7.98
Replace
5 Diameter of valve guide bore 8.019 – 8.071
6
Clearance between valve guide and
valve stem
13.15 – 13.65 Correct