Komatsu 114E-3 Series Shop Manual page 124

SEN00455-01
5. When the No. 1 cylinder is at the compression
top dead center, adjust the valve clearance
indicated by q of the valve arrangement plan.
6. Adjust the valve clearance according to the fol-
lowing procedure.
1) Insert clearance gauge C2 into the clear-
ance between rocker lever (8) and cross-
head (9).
2) Loosen locknut (10) and adjust valve
clearance using adjustment screw (11).
a With the clearance gauge inserted,
turn the adjustment screw to a degree
that you can move the clearance
gauge C2 lightly.
3) Fix adjustment screw (11) and tighten
locknut (10).
3
Locknut:
24 ± 4 Nm {2.45 ± 0.41 kgm}
a After tightening the locknut, check the
valve clearance again.
6
4) Rotate the crankshaft forward 360°, pre-
cisely make alignment with the counter
mark placed on Step 4, and adjust the
valve clearance indicated by Q.
a At this moment, the stamp line (b) of
the fuel injection pump gear is aligned
with the stamp line (c) right below.
Adjust the valve indicated by the Q.
5)
a Firing order: 1–5–3–6–2–4
a The adjustment method is the same
as one indicated by q.
7. After finishing adjustment, return the removed
parts.
3
Head cover assembly mounting bolt:
11.8 ± 1.96 Nm {1.2 ± 0.2 kgm}
30 Testing and adjusting
114E-3 Series