Komatsu 114E-3 Series Shop Manual page 328

SEN00464-01
4) Install cylinder head assembly (2) to the
cylinder block.
a First, tighten the mounting bolts by 2
– 3 turns with the hand, and then
tighten them according to the follow-
ing procedure.
2
Apply engine oil (EO15W-40)
to the threaded portion and
head seat of each bolt.
3
Tighten the bolts in the numerical
order shown below.
1] 150 ± 9.8 Nm {15.3 ± 1.0 kgm}
2] Return all bolts 360°
3] 115 ± 4.9 Nm {11.7 ± 0.5 kgm}
4] Check tightening torque of
115 ± 4.9 Nm {11.7 ± 0.5 kgm}
5] 120° ± 5°
(Tighten with angle tightening tool)
20
50 Disassembly and assembly
When not using angle tightening tool
q
Make a mark on the cylinder head and each
bolt with paint and then tighten the bolt by 120°
± 5°.
23. Push rod
Install push rod (1).
a Check that the push rod is in the tappet.
a Fill the push rod socket with engine oil
(EO15W-40).
114E-3 Series