Name: Alfa Laval S 821
Brand: Alfa Laval
Rating: 4 (1 reviews)

Default Chapter3

Table of Contents3

1 Read this First5

2 Safety Instructions7

3 Basic Principles of Separation15

4 Design17

5 Operating Instructions29

6 Service, Dismantling, Assembly41

Periodic Maintenance41
Maintenance Intervals41
Maintenance Procedures41
Tightening of Screws42
Service Kits42
Cleaning42
- CIP (Cleaning in Place)42
- Maintenance Log43
- Dismantling46
Introduction46
Tools46
- Standard Tools47
- Frame Hood48
- Removing the Connecting Housing48
- Removing the Spring and Arm49
- Removing the Frame Hood49
- Bowl50
- Removing the Lock Ring51
- Removing the Bowl Hood52
- Removing the Seal Ring53
- Removing the Inlet/Outlet Pipe and Top Disc53
- Removing the Paring Tube54
- Removing the Disc Stack and Distributor55
- Removing the Nut55
- Removing the Discharge Slide56
- Removing the Cap Nut57
- Removing the Bowl Body57
- Turn the Bowl Body Upside down58
- Removing the Holder58
- Removing the Operating Slide59
- Removing the Valve Plugs from the Operating Slide59
- Removing the Operating Water Ring60
Driving Device61
- Removing the Clutch Cover62
- Empty the Oil Sump62
- Removing the Operating Water Cover64
- Removing the Neck Bearing Cover and Deflector Ring64
- Prepare for Removal of Spindle Assembly65
- Lifting the Spindle Assembly from the Frame66
- Removing the Fan68
- Removing the Bottom Bearing Assembly68
- Removing the Top Bearing Housing69
- Removing the Ball Bearing70
- Removing the Labyrinth Ring71
- Removing the Bottom Bearing Holder72
- Centrifugal Clutch73
- Loosen the Flat Belt, by Tilting the Motor74
- Removing the Motor75
- Removing the Friction Blocks75
- Checking the Condition of the Friction Blocks76
- Removing the Coupling from the Motor77
- Removing the Coupling from the Motor Using the Optional Hydraulic Tool78
- Dismantling of the Coupling Assembly79
- Actions before Assembly80
Cleaning80
Cleaning of Bowl Discs81
Inspection for Corrosion82
Inspection for Cracks83
- Inspection for Erosion84
- Exchange of Frame Feet85
- Lubrication of Bowl Parts86
How to Lubricate Bowl Parts with Slide Laquer87
Check for Galling on Operating Slide and Bowl Body88
Assembly of the Coupling89
Centrifugal Clutch89
- Fitting the Coupling to the Motor90
- Fitting the Coupling to the Motor with Optional Hydraulic Tool91
- Assembly of Friction Blocks92
- Fitting the Friction Blocks92
- Fitting the Motor93
- Fitting the Flat Belt94
- Fitting the Clutch Cover95
- Fitting the Bottom Bearing Holder96
- Fitting the Labyrinth Ring97
- Fitting the Ball Bearing to the Top Bearing Seat98
- Fitting the Top Bearing Seat with Bearing to the Spindle99
- Fitting the Top Bearing Housing100
- Fitting the Spindle Pulley101
- Fitting the Self-Aligning Roller Bearing101
- Fitting the Oil Pump102
- Fitting the Fan103
- Fitting the Air Deflector103
- Lowering the Spindle Assembly into the Frame104
- Fitting the Neck Bearing Cover and Deflector Ring106
- Fitting the Operating Water Cover107
- Measuring the Radial Wobble of the Bowl Spindle107
- Fill Oil in the Oil Sump108
- Fitting New Valve Plugs on the Operating Slide109
- Fitting the Operating Slide110
- Fitting the Operating Slide Holder110
- Fitting the Operating Water Ring111
- Lifting the Bowl Body Onto the Spindle Taper112
- Fitting and Tightening the Cap Nut113
- Fitting the Discharge Slide114
- Assembly of the Disc Stack115
- Fitting the Disc Stack Assembly to the Bowl Body116
- Assembling the Paring Tube and Bearing Holder117
- Mounting the Paring Tube and Fitting the Inlet and Outlet Pipe117
- Fitting the Top Disc118
- Fitting the Bowl Hood119
- Fitting the Lock Ring120
- Checking the Disc Stack Pressure121
- Fitting the Frame Hood122
- Control Measurement of Paring Disc Height123
- Fitting the Spring124
- Fitting the Connection Housing125
- Unbalance Sensor126
- Fitting the Unbalance Sensor Holder126
- Adjusting the Unbalance Sensor127
- Adjusting the Speed Sensor128
Control of Machine Plates and Safety Labels129
- Check that the Following Signs Are Attached129
- Oil Change131
- Lubricating Oil131
- Applying, Handling and Storing of Lubricants131
Check Oil Level132
Oil Change Procedure132
- Lubrication Chart133
- Lubricants134
- Pastes for Non-Food Applications134
- Bonded Coatings134
- Pastes for Hygienic Applications135
- Silicone Grease for Rubber Rings136
- Greases for Ball and Roller Bearings137
Lubricating Oils138
Paraffinic Mineral Lubricating Oil138
Lifting Instructions139
Lifting the Separator139
Lifting the Bowl140

7 Fault Finding141

8 Technical Reference147

9 Installation167

Brand	Alfa Laval
Model	S 821
Category	Water Filtration Systems
Language	English

Alfa Laval S 821 User Manual

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Alfa Laval S 821 Specifications

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