Komatsu 114E-3 Series Shop Manual page 334

SEN00464-01
30. Fuel lift pump and main controller cooling
plate
1) Install fuel lift pump (3) to main controller
cooling plate (2).
3
Mounting bolt:
2) Lightly press the valve of the check valve
(4) of main controller cooling plate (2) from
the arrow side and check that it moves
smoothly and the sealing face is closed
perfectly.
3) Install the main controller cooling plate (2).
31. Main controller assembly
Install main controller assembly (1) to the cylin-
der block with mounting bolts (2).
26
10 ± 2 Nm {1.0 ± 0.2 kgm}
50 Disassembly and assembly
32. Fuel drain tube
1) Install tube (1) between the supply pump
and drain and tube (2) between the cylin-
der head and drain.
3
Joint bolt:
2) Clamp tube (3) between the common rail
and drain temporarily.
33. Fuel filter bracket
Install fuel filter bracket (1).
34. Fuel low-pressure hose
k
The internal parts of the adapter may
b e d a m a g e d w h e n t h e h o s e i s
removed. Accordingly, do not reuse the
adapter but use new one when install-
ing the hose again, as a rule.
1) Install supply hose (2).
2) Install low-pressure hose assembly (1).
After connecting the hose, tighten the
q
clamp bolt at the center.
24 ± 4 Nm {2.4 ± 0.4 kgm}
114E-3 Series