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6.4.2 Instructions for assembly
D A N G E R
!
Disregarding important instructions!
S
Death, serious bodily injuries or property damage.
Z
Before you maintain or assemble the pump note
chapter 6.1.
A T T E N T I O N
Important aspects!
S
Damage to property.
Z
Use tools from Grundfos FB Pump tool kit in order to
assemble the pump without damage and scratches.
Z
To guarantee a good seal, use only O-ring seals with the
original dimensions.
Z
Never use grease which contains mineral oil when
assembling the wet end parts
1
.
Z
Always replace mechanical seal as a complete assembly.
Z
When tightening the impeller nut 67, ensure the correct
torque is applied concentrically, to avoid damage to the
impeller nut 67 and or the shaft 51.
1.
Parts which come in contact with the pumped medium.