Alfa Laval LKH - Page 33

5 Maintenance
Read the instructions carefully. The items refer to the parts list and service kits section.
Handle scrap correctly.
: Relates to the shaft seal.
S
S
t
t
e
e
p
p
5
5
1. Clean the sealing surfaces with contact cleaner before fitting
back plate (25).
2. Carefully guide the back plate onto adaptor (16).
3. Fit washers (21) and nuts (20).
3000-0243
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S
t
t
e
e
p
p
6
6
Lubricate O-ring (26) and slide it onto back plate (25).
3000-0244
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S
t
t
e
e
p
p
7
7
1. Lubricate O-ring (38) and fit it in impeller (37), if impeller screw
is used.
2. Lubricate impeller hub with silicone grease or oil.
3. Screw the impeller onto stub shaft (7).
4. Fit impeller screw (39) and tighten, if used.
Torque-5-60=20Nm(15lbf-ft)
Torque - 70-90 = 50 Nm (37 lbf-ft)
3000-0245
33
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