Komatsu 114E-3 Series Shop Manual page 312

SEN00464-01
4. Piston cooling nozzle
Set 6 piston cooling nozzles (2) and secure
them with the mounting bolts.
3
Mounting bolt:
5. Crankshaft
1) Install 6 upper bearings (7) and 1 upper
thrust bearing (6).
a Set the projection of each bearing to
the cut of the cylinder block.
a When installing the bearings, check
that their back sides are free from for-
eign matter.
a Apply engine oil (EO15W-40) to the
inside of the bearings. Do not apply it
to the back side, however.
a When reusing the bearings, check the
marks made on them when removed
and install them to their original posi-
tions.
4
27 ± 3 Nm {2.75 ± 0.3 kgm}
50 Disassembly and assembly
2) Install speed sensor ring (5).
1] Use new bolts (Do not reuse the
removed bolts).
2] Tighten the bolts on the right side and
left side alternately.
3
Mounting bolt:
8 ± 2 Nm {0.8 ± 0.2 kgm}
3) Using a nylon sling, lift up and install
crankshaft (4).
a Take care not to damage the bear-
ings.
4
Crankshaft: 80 kg
114E-3 Series