Komatsu Galeo BR380JG-1E0 Shop Manual page 270

SEN02303-00
7. Disconnect CE03 connector (5) of the engine
controller.
k
If the connector is not disconnected,
the engine will start during measure-
ment and it will be dangerous.
k
Since the CE03 connector is a part of
the power supply circuit of the engine
controller, cover the connector on the
machine side with a vinyl sheet, etc. to
prevent electric leakage and ground
fault.
8. Rotate the engine with the starting motor and
measure the compression pressure.
a Read the gauge when the pointer is stabi-
lized.
12
9. After finishing measurement, remove the mea-
suring tools and return the removed parts.
a Install the injector and inlet connector
according to the following procedure.
1) Apply new engine oil (SAE15W-40) to the
O-ring of injector (4) and cylinder head.
2) Install injector (4) with the fuel inlet hole
directed to the air intake manifold.
3) Install injector clamp (6) and tighten the
mounting bolt by 3 – 4 threads.
4) Install inlet connector (7) and tighten inlet
connector retainer temporarily.
5) Tighten the mounting bolt of injector clamp
(6) securely.
3
Injector clamp mounting bolt:
6) Tighten inlet connector retainer (8) securely.
3
Inlet connector retainer:
a Tighten the bolts and nuts other than the
injector and inlet connector to the follow-
ing torque.
3
Injector wiring harness nut:
1.5 ± 0.25 Nm {0.15 ± 0.026 kgm}
3
Fuel tube sleeve nut:
3
Rocker arm assembly mounting bolt:
a Adjust the valve clearance. For details,
see "Adjusting valve clearance".
3
Cylinder head cover mounting nut:
24 ± 4 Nm {2.45 ± 0.41 kgm}
30 Testing and adjusting
8 ± 0.8 Nm {0.8 ± 0.08 kgm}
50 ± 5 Nm {5.1 ± 0.5 kgm}
35 ± 3.5 Nm {3.6 ± 0.4 kgm}
36 ± 6 Nm {3.7 ± 0.6 kgm}
BR380JG-1E0