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Komatsu 114E-3 Series - Page 95

Komatsu 114E-3 Series
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10 Structure, function and maintenance standard SEN00176-02
114E-3 Series
25
Unit: mm
No. Check item Criteria Remedy
1
Inside diameter of connecting rod
bushing (when bushing is installed)
45.023 – 45.035
Replace bushing
(spare part is
semi-finished part)
2
Inside diameter of connecting rod
bearing
76.045 – 76.095
Replace connect-
ing rod bearing
3 Thickness of connecting rod bearing 2.459 – 2.471
4
Inside diameter of connecting rod
bearing mounting hole
80.987 – 81.013
Replace connect-
ing rod
5
Tightening torque for connecting rod
cap mounting bolt
(Coat thread of bolt nut with engine oil)
Procedure Target (Nm {kgm})
Tighten and
retighten
1st stage 60 {6.1}
2nd stage Loosen
3rd stage 70 {7.1}
4th stage Retighten 60°
6 Side clearance of connecting rod 0.100 – 0.300
Replace connect-
ing rod

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