Komatsu 114E-3 Series Shop Manual page 89

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