Komatsu SAA6D114E-3 - Page 89

10 Structure, function and maintenance standard SEN00176-02
114E-3 Series
19
Unit: mm
No. Check item Criteria Remedy
1 Strain of cylinder head mounting face
End-to-End Max. 0.075
Correct by grind-
ing or replace
Side-to-Side Max. 0.075
2 Thickness of main bearing metal 3.446 – 3.454
Replace bearing
metal
3
Diameter of cam bushing mounting
hole
Max. 64.013
Correct or replace
block
4 Inside diameter of cam bushing Max. 60.120
Replace cam
bushing
5
Tightening torque for main cap
mounting bolt
(Apply engine oil to threads)
Procedure Target (Nm {kgm})
Tighten and
retighten
1st stage 167 {17.0}
2nd stage Loosen 360°
3rd stage 30.4 {3.1}
4th stage 50 {5.1}
5th stage Retighten 120°
6
Tightening torque for oil pan mounting
bolt
Target (Nm {kgm})
Tighten
28 {2.8}
7
Tightening torque for crankshaft pulley
mounting bolt
200 {20.4}