Alfa Laval LKH, Instruction Manual

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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 1
!
Always remove the impeller before checking the direction of
rotation.
!
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 2
1. Start and stop the motor momentarily.
2. Ensure that the direction of rotation of the stub shaft (7) is
anticlockwise as viewed from the inlet side.
Stub shaft
Step 3
Fit and tighten impeller (27).
Step 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
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