BI619954
Edition 03.2009
Code R2
Maintenance
Interval code
Operating hours
Overhaul 1
24000 h
4 x I4
32000 h
R3
Overhaul 2
6.2
48000 h
Time period 6 years
8 years
12 years
Activity •
Replace the coolant
•
Coolant pump: Replace and overhaul in an authorized workshop
•
Clean the DCC - inner spaces
•
Visibly check the power connections / glands for abnormal color
•
Check the main and auxiliary contacts of the contactors as well as the busbar connections in the DCC
•
Cooling system: Check all of the hose connections to ensure that they are not leaking and are not porous, if required, replace hoses
•
Check all of the painted surfaces of the DCC for damage, repair the paint finish
•
Replace the DCU fan assembly
Maintenance activities Check – VI
No. 1
Component Entire DCC
Maintenance work Visually check the DCC for dust, dirt, any physical damages
Cross-reference Nil
Interval 1 - EI No. 1
Component Main cooler
Maintenance work Clean
Cross-reference Refer to Chapter 6.3
Interval 2 – I2 No.
Component
Maintenance work
Cross-reference
1
Insulators
Check and clean insulators of PTB2 terminals & motor connection terminals on DCC for dirt accumulation
Nil
2
Air conditioner
Clean the heat sink fins of air conditioner from outer side of DCC
Refer to Chapter 6.17
Interval 3 – I3 No. 1
Component Cooling system
Maintenance work Check the level of the liquid and if required top up
Cross-reference Refer to Chapter 6.4
Siemens Ltd. A5E01511750J/ 4M-2601-1645240 AC
Shovel 295HD/ HR DCC Operation & Maintenance Manual
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