Dew point indications and maintenance instructions
Grain colour
Causes
Solutions
Blue / green
Normal operation.
No action required.
Pink / yellow
Water and oil flow into membrane air dryer.
1) Check and replace filters if necessary.
2) Check condition of inlet air for excess oil
or water.
NOTE:
The grains may be pink / yellow on delivery and can take up to 1½ hours to turn blue / green when air is connected.
NOTE:
When dew point indicator absorbs vapourised oil content or other gaseous components in the compressed air, it may turn a
colour other than blue / green or pink / yellow.
Air filter service kits
The Renishaw filter service kit (M-3060-0933) contains:
SMC part number
Description
Quantity
AF20P-060S
5 μm filter element for use with AF20 unit
1
AFM20P-060AS
0.3 μm filter element for use with AFM20
unit
1
AFD20P-060AS
0.01 μm filter element for use with AFD20
unit
1
We recommend that the above filter kit is replaced every two years.
The Renishaw membrane dryer service kit (M-3060-0943) contains:
SMC part number
Description
Quantity
IDG-EL5
Membrane module kit for use with IDG5 unit
1
IDG-DP01
Dew point indicator kit for use with IDG5 unit 1
We recommend that the above filter kit is replaced every four years.
REVO-2 user's guide
www.renishaw.com
Issued 07 2019
24