3 Installation
Read the instructions carefully and pay special attention to the warnings!
LKH-5 to -60 comes without impeller screw as standard but can be supplied with one.
Check the direction of rotation of the impeller before operation.
- See the indication label on the pump.
3.3
Pre-use check - pump without impeller screw
Step
Step
Step 1
1
1
Always
Always
Always remove the impeller before checking the direction of
rotation.
Never
Never
Never start the pump if the impeller is fitted and the pump
casing is removed.
1.
A. LKH-5: Remove screws (56), spring washers (56a),
clamps (55+55a) and pump casing (29).
B. LKH-10 to -60: Remove cap nuts (24), washers (24a) and
pump casing (29).
2. Remove impeller (27) (see also instruction in section 5.4
Assembly of pump/single shaft seal).
Step
Step
Step 2
2
2
Warning:
Warning:
Warning: Stay clear and ensure no one is near the shaft during
test of rotation.
1. Connect power supply.
2. Start and stop the motor momentarily.
3. Ensure that the direction of rotation of the stub shaft (7) is
anticlockwise as viewed from the inlet side.
4. Disconnect power supply safety.
Stub shaft
Step
Step
Step 3
3
3
Fit and tighten impeller (27).
Step
Step
Step 4
4
4
1. Fit pump casing (29).
2.
A. LKH-5: Fit clamps (55+55a), spring washers (56a) and
tighten screws (56)
B. LKH-10 to -60: Fit washers (24a) and tighten cap nuts
(24), according to torque values in chapter 6 Technical
data
18
