Komatsu SAA6D114E-3 - Page 87

10 Structure, function and maintenance standard SEN00176-02
114E-3 Series
17
Unit: mm
No. Check item Criteria Remedy
1 Strain of cylinder head mounting face
End-to-End Max. 0.203
Correct by grind-
ing or replace
Side-to-Side Max. 0.075
2
Tightening torque for cylinder head
mounting bolt
(Apply molybdenum disulfide or engine
oil to threaded part)
Procedure Target (Nm {kgm})
Tighten and
retighten
1st stage 150 {15.3}
2nd stage Loosen
3rd stage 110 {11.2}
4th stage 110 {11.2}
5th stage Retighten 120°
3 Projection of nozzle 2.25 – 2.80
Replace nozzle
or gasket
4
Tightening torque for injector holder
mounting bolt
Target (Nm {kgm})
Tighten
10 {1.0}
5
Tightening torque for head cover mount-
ing bolt
24 {2.4}