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Alfa Laval S 821 - Page 44

Alfa Laval S 821
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6.2 MAINTENANCE LOG 6 SERVICE, DISMANTLING, ASSEMBLY
44
Frame
- Frame feet Renew frame feet (including washers
and screws)
85 Has to be ordered
separately
- Drain and oil filling holes x x Renew washers 108
- Oil pin x x Renew O-ring 108
Driving device
- All parts x Clean 80
- All parts x Check for corrosion 82
- All parts x Check for cracks 83
- Bottom bearing housing x Renew O-ring 96
- Labyrinth ring holder x
x
Renew labyrinth ring
Renew O-ring
97
97
- Top bearing housing x Renew springs 100
- Flat belt x Renew flat belt 104
- Bowl spindle x
x
x
x
Pre-lubricate and renew ball bearing
Pre-lubricate and renew self-aligning
roller bearing
Lubricate the spindle
Measure the radial wobble
99
101
109
107
- Lubricating oil orifice x Renew O-ring 108
- Neck bearing cover x Renew O-ring 106
- Deflector ring x Renew O-ring 106
- Water inlet pipe x Renew O-ring 107
- Operating water cover x Renew seal ring and O-ring 107
- Fan x Renew the O-ring 103
Coupling
- All parts x Clean 80
- All parts x Check for corrosion 82
- All parts x Check for cracks 83
- Coupling hub x Renew single row ball bearings
Renew snap rings
89
89
- Friction blocks x Renew friction pads (if they are worn)
or clean the pads if they are oily
89
Electrical motor
- Electrical motor x Lubricate if nipples are fitted. See sign
on motor
---
Inspection
Overhaul
Check
Part Action Page Note
i
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