Crankshaft - Komatsu 114E-3 Series Shop Manual

SEN00176-02

Crankshaft

No. Check item
1 End play
Outside diameter of main journal
Roundness of main journal
2
Taper of main journal
Clearance of main journal
Outside diameter of crankshaft gear
3
journal
Inside diameter of crankshaft gear jour-
4
nal
22
10 Structure, function and maintenance standard
1
Criteria
0.085 – 0.385
76.000 – 76.026
Repair limit: 0.050
Max. 0.013
0.038 – 0.116
75.987 – 76.006
75.898 – 75.923
Unit: mm
Remedy
Replace thrust
bearing metal or
use oversize metal
Use undersize
journal or replace
Replace main
bearing metal
Use undersize
crankshaft or
replace
114E-3 Series