5. Run the engine at high idle and operate the
control levers and switches and test the pres-
sure when each solenoid valve is turned ON or
OFF.
a For the conditions for turning each sole-
noid valve ON and OFF, see the table for
functioning conditions of each solenoid
valve.
a The operating conditions of the solenoid
valves can be checked with the monitoring
function of the machine monitor (special
function of the machine monitor).
a If the output pressure of a solenoid valve
is as follows, that solenoid valve is normal.
6. After finishing test, remove the testing tools
and return the removed parts.
Table for functioning conditions - PPC lock
solenoid valve
Solenoid valve Output pressure
OFF (De-energized)
0 MPa {0 kg/cm
2
}
ON (Energized)
Almost same as control
basic pressure
(See standard values table)
Operating condition Functioning
Work equipment lock
lever
LOCK OFF
RESET ON
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