Alfa Laval LKH Series, Инструкция по эксплуатации

Страница: 33 / 76

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.
Step Step
Step 5
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).
Step Step Step 6 6 6
Lubricate O-ring (26) and slide it onto back plate (25).
Step Step Step 7 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 = 20 Nm (15 lbf-ft)
Torque - 70-90 = 50 Nm (37 lbf-ft)
33