ABB IRB 6640 Foundry Prime, Product Manual

Page: 193 / 496

3.5 Analysis activities
3.5.1 Analyzing the water content in gearbox oil
Analysis of the water content
It is recommended to check for water content in the oil every 12 month.
Effect on gearbox replacement
The table shows what effect the analyze result has on the replacement interval of
the gearbox.
Then.... If:
Replacement of gearbox required every two
years
3%
6 12
18
24 30
3000 6000 9000 12000 15000
A
B
C
xx0600003155
More than 3% water in oil:
• With more than 3% water content
there is a risk for corrosion in the
gearbox and reduced viscosity in
the oil.
1
• A: Water content in gearbox oil
• B: Months or hours in operation
• C: Replacement of gearbox
Normal replacement interval is required for
the gearbox.
A
B
3%
6 12 18 24 30
3000 6000 9000 12000 15000
xx0600003156
Less than 3% water in oil. 2
• A: Water content in gearbox oil
• B: Months or hours in operation
Product manual - IRB 6640 Foundry Prime 193
3HAC040586-001 Revision: N
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3 Maintenance
3.5.1 Analyzing the water content in gearbox oil