PC200-8MO SN C12150 (No motion Hydraulics)
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TROUBLESHOOTING INFORMATION REPORT DATE 27 th – November - 2015 MACHINE MODEL PC200-8MO BRANCH Francistown MACHINE S/N C1215 MACHINE LOCATION Pandamatenga ENGINE MODEL SAA6D107E-1 BUSSINESS CONSTRUCTION ENGINE S/N 26614 CUSTOMER DURAFLEX DELIVERY DATE 13 th October 2013 TROUBLE DATE 30 - October - 2015 SMR 2441 REPORT FROM THE CUSTOMER: WORKING EQUIPMENT SWING AND TRAVEL SYSTEMS DO NOT WORK HOW WAS THE FAILURE NOTICED: The machine was on production and started by not swing, and the operator tried to move machine to a safe place. As the machine reaches the place and immediately all the hydraulic systems shut off. The working equipment, swing and travel were not working. POSSIBLE CAUSE OF THE FAILURE: # Malfunction of the PPC lock solenoid valve # Malfunction of self-reducing valve # Defective piston pump # Defective damper ACTION CARRIED OUT: Checked oil levels and started the machine to warm up oils. Operated the safety lock le to release and operated the PPC levers and there was no response on the hydraulic syste Disconnected the supply hose to the PPC valve and tested, and there was no oil coming o of the hose. Disconnected the hose supplying the solenoid block from the self-reducing valve and tested, and there was no oil coming out from the self-reducing valve. Removed the self-reducing valve and dismantle it. Find the spool stuck. Cleaned the valve block and parts with clean diesel. Assembled the valve together, installed it back on the machine, and tested. All the working equipment swing and travel were ok. Carried out cylinder bypass and found the arm cylinder passing. Removed the cylinder. Electrical circuit was tested and everything was function well. Troubleshooting [Page 1]
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Transcript of PC200-8MO SN C12150 (No motion Hydraulics)
TROUBLESHOOTING INFORMATION
REPORT DATE 27th – November - 2015 MACHINE MODEL PC200-8MOBRANCH Francistown MACHINE S/N C12150MACHINE LOCATION Pandamatenga ENGINE MODEL SAA6D107E-1BUSSINESS CONSTRUCTION ENGINE S/N 26614944CUSTOMER DURAFLEX DELIVERY DATE 13th October 2013 TROUBLE DATE 30 - October - 2015 SMR 2441
REPORT FROM THE CUSTOMER:
WORKING EQUIPMENT SWING AND TRAVEL SYSTEMS DO NOT WORK
HOW WAS THE FAILURE NOTICED:The machine was on production and started by not swing, and the operator tried to move the machine to a safe place. As the machine reaches the place and immediately all the hydraulic systems shut off. The working equipment, swing and travel were not working.
POSSIBLE CAUSE OF THE FAILURE:# Malfunction of the PPC lock solenoid valve# Malfunction of self-reducing valve# Defective piston pump# Defective damper
ACTION CARRIED OUT:Checked oil levels and started the machine to warm up oils. Operated the safety lock lever to release and operated the PPC levers and there was no response on the hydraulic system. Disconnected the supply hose to the PPC valve and tested, and there was no oil coming out of the hose. Disconnected the hose supplying the solenoid block from the self-reducing valve and tested, and there was no oil coming out from the self-reducing valve. Removed the self-reducing valve and dismantle it. Find the spool stuck. Cleaned the valve block and parts with clean diesel. Assembled the valve together, installed it back on the machine, and tested. All the working equipment swing and travel were ok. Carried out cylinder bypass and found the arm cylinder passing. Removed the cylinder. Electrical circuit was tested and everything was function well.
Troubleshooting [Page 1]
Self-Reducing Valve
Stuck Spool in the Valve (14)
TROUBLESHOOTING INFORMATION
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Troubleshooting [Page 2]
TROUBLESHOOTING INFORMATION
The hydraulic system needs flushing. Arm cylinder and hydraulic oil cooler needs replacement. Pm Clinic to be carried out after flushing the hydraulic system.
CUSTOMER’S NAME:___________________________________________ SIG: _______________ DATE: _________________________
PRODUCT SUPPORT’S NAME: Moses Akuje SIG: _______________ DATE: 27 – November - 2015
Troubleshooting [Page 3]
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