BI619954
Edition 03.2009
6.1
Maintenance
Maintenance schedule
This schedule mentioned below is minimum required & generally based on previous experience. However maintenance intervals and the activities mentioned may change depending on actual site conditions in Shovel vehicle. Code
Interval code
Operating hours
Time period
Activity
VI
Check
500 h
1.5 months
•
EI
Interval 1
1000 h
2...3 months
•
Visually check the heat exchanger for pollution, if required, clean.
•
Read-out the fault memory of the DCU
•
Check and clean insulators of PTB2 terminals & motor connection terminals on DCC for dirt accumulation.
•
Clean the heat sink fins of air conditioner from outer side of DCC
•
Cooling system: Check the liquid level, if required, top up
•
Cooling system: Cooling medium specimen, analysis.
•
Check that the seals of cooling system are not leaking
•
Check the coolant pump: For vibration, noise in operation, damage and leaks
•
Apply grease (jelly) on door gaskets to prevent adhesion/ sticking of gasket to cabinet
•
Check air conditioner fans
•
DC link capacitor: Check the capacitance value
•
Check the Blower for heat exchanger.
•
Check DCU fans
•
Bearings of main fan motor: Replace in qualified workshop
•
Electric motor of internal cooler (E11): Replace and overhaul in qualified workshop
•
Replace the gaskets on maintenance cover
I2
I3
I4
2 x I4
Interval 2
Interval 3
Interval 4
2000h
4000 h
8000 h
16000 h
6 months
1 year
2 years
4 years
Visually check the DCC for dust, dirt, any physical damages
Siemens Ltd. A5E01511750J/ 4M-2601-1645240 AC
Shovel 295HD/ HR DCC Operation & Maintenance Manual
74