Measuring Engine Oil Pressure - Komatsu WA250-6 Shop Manual

SEN03836-01

Measuring engine oil pressure

a Necessary tools
Symbol Part No.
1 799-101-5002 Hydraulic tester
2 799-301-1230 Nipple
E
3 799-101-5160 Nipple
4 799-401-2320 Gauge
a Measure the engine oil pressure under the fol-
lowing condition.
Engine coolant temperature:
q
1. Open the engine left side cover.
2. Remove plug (1) from oil filter head.
3. Install nipples E2 and E3, then connect
hydraulic tester E4 (1 MPa {10 kg/cm
20
30-110
1
Part Name
Within operating range
}).
2
110 Testing and adjusting, Part 1
4. Start the engine and heighten the coolant tem-
perature to the operating range.
5. While running the engine at low idle and high
idle, measure the oil pressure.
6. Remove the measurement tool after the mea-
surement, and make sure that the machine is
back to normal condition.

Measuring engine oil pressure

WA250, 250PZ-6