Testing Engine Oil Pressure - Komatsu Galeo PC138US-8 Shop Manual

SEN02458-01

Testing engine oil pressure

a Testing tools for engine oil pressure
Symbol Part No.
799-101-5002 Hydraulic tester
1
E 790-261-1204 Digital hydraulic tester
2 799-401-2320 Gauge
k
Stop the machine on a level ground and
lower the work equipment to the ground.
a Test the engine oil pressure under the follow-
ing condition.
Engine coolant temperature: Within oper-
q
ating range
1. Remove the engine compartment side cover
and oil pressure pickup plug (1) from the
engine block.
2. Install nipple [1] of hydraulic tester E1 and con-
nect hydraulic tester E2.
3. Start the engine and turn the auto-decelerator
OFF.
4. Run the engine and test the engine oil pres-
sure at high idle and low idle.
14
1
Part name
5. After finishing test, remove the testing tools
and return the removed parts.
3
Oil pressure pickup plug:
30 Testing and adjusting
20 – 22 Nm {2.0 – 2.2 kgm}
PC138US, USLC-8