5 Maintenance
Study the instructions carefully.
The items refer to the parts list and service kits section.
Handle scrap correctly.
Always use genuine Alfa Laval spare parts. Replace seals if necessary.
Step 3
Place coupling system and balanced plug according to illustrations
( 1 to 4 ).
1. Push lock (44) up over piston rod (29).
2. If external CIP to leakage chamber: Place o-rings (39).
3. Place spindle liner (42) on piston rod. Fit balanced plug (94).
4. Mount clamps (43) on spindle liner (42).
5. Fit lock (44).
6. Fit o-ring (40). Fit flushing tube (41) (or plug (15) if no CIP).
Step 4
Recommended torque values for fitting balanced and tank plug
parts
Dimension
Torque (Nm)/(lbf-ft)
51 mm/2”/DN 50
5/(3.7)
All others
20/(14.8)
A
B
TD 449-298_1
If balanced seat lift available
If no balanced seat lift available
A = Off
B= Air
28
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