TROUBLESHOOTING H-24 H-24 Does not swing a) Does not swing to either left or right Cause Remedy 3 YES Defective swing machinery eplace I I I Defective swing holding YES Of Swing holding brake or swing motor epair or replace - brake release NO solenoid valve...
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TROUBLESHOOTING H-24 H-24 Does not swing a) Does not swing to either left or right Cause Remedy 3 YES Defective swing machinery eplace I I I Defective swing holding YES Of Swing holding brake or swing motor epair or replace - brake release NO solenoid valve 1 normal? Defective operation of . 3.0~0.5 MPa {30=5 kg/cm? swing holding brake cancel orrect or replace Is swing pressure switch normal? - * Operate swing lever. nIO solenoid valve * Engine at high idling *There is no swing lock switch, so operate in the fine control range (do not swing; turn only the pressure switch ONI. or * See Judgment turn the swing prolix switch ON. Table. Defective swing pressure . Check with NO switch monitoring mode. % See the explanation of the MONITOR PANEL DISPLAYS in the Troubleshooting section. b) Does not swing in one direction Cause Remedy 3 YES Defective swing motor safety valve YES Does control valve - spool move 2 - smoothly? Defective operation of Is PPC valve p control valve spool YES _ output
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