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 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).
3001-0034
Step 6
Lubricate O-ring (26) and slide it onto back plate (25).
3001-0035
Step 7
1. Lubricate O-ring (38) and fit it in impeller (37).
2. Lubricate impeller hub with silicone grease or oil.
3. Screw the impeller onto stub shaft (7).
4. Fit impeller screw (39) and tighten.
Tightening torque for impeller screw:
LKHex UP 10-60: 20 Nm (15 lbf-ft)
LKHex UP 70: 50 Nm (37 lbf-ft)
3001-0036
Step 8
Fit safety guards (22) and screw (23) and tighten.
If pump is not supplied with flush connections, the holes in the
adaptor must be covered by the guard.
3001-0037
Step 9
1. Fit pump casing (29), washers (24a) and cap nuts (24).
2. Adjust pump casing to the right position.
3. Tighten nuts (20) for back plate (25) and tighten cap nuts (24).
Torque values:
LKHex UP 10-20 = 20 Nm/14.8 lbf-ft
LKHex UP 25-70 = 40 Nm/29.5 lbf-ft
3001-0012
32
