Alfa Laval OptiLobe - Page 14

Example of exploded view — ALS with D-seal
Driver unit cover
Bracket
Driver unit
Bearing frame
Lantern cover
Installation flange
Welding flange
Impeller
Seal housing
Seal face atmospheric side
Locking pin
Flush connection
Spacer
Seal face product side
Seal inclosure
Locking pin
Inspect the agitator regularly
The Alfa Laval agitator is available in various configurations fit to solve a specific application. To inspect the agitator you need to
know the type of agitator and which seals are used. This information is available on the name plate of your agitator
. Further
information can be obtained online by using the serial number.
Agitator type definition
Top mounted agitators Type: ALT
ALB-ME-GR-30LF-S2-S3000-E500U3P
EnSaFoil
9618020910
2018
33
69362
0-5°
Top mounted agitators with Bottom support Type: ALTB
Bottom mounted agitators
Type: ALB
Side mounted agitators Type: ALS
Type of agitator and example of agitator name plate.
For mor
e information please contact Alfa Laval.
Preventive maintenance aims to prevent failure of equipment by doing e.g. regular lubrication and adjustments. Based on
experience and knowledge about the running conditions, it is also possible to replace wear parts before they fail. Keeping a
maintenance log is a good way to build experience.
Inspect/clean/lubricate
Drive unit/all types of agitator Supplier Instruction Weekly Monthly Half-yearly
Motor
X
- Clean surfaces — to avoid overheating X
Gear
X
- Clean vent screw (if any) X
- Check for oil leakage X
Flange/ all types of agitator Supplier Instruction Weekly Monthly Half-yearly
- Clean drain X
Shaft sealing for ALS/ALB Supplier Instruction Weekly Monthly Half-yearly
- Not flushed mechanical seal: S1, S2, S3, S3SD X
- Flushed mechanical seal: DC,D X
Shaft sealing for ALT/ ALTB Supplier Instruction Weekly Monthly Half-yearly
- Radial seal: R X
- V-ring seal: V X
- Not flushed machanical seal: S, S3 X
- Flushed machanical seal: DC, D X
Bearing frame if any/ all types of agitator Supplier Instruction Weekly Monthly Half-yearly
- Clean PreVent screw X
- Check spider clearance X
- Check gaskets X
- Lubricate radial seals X