Install The Impeller: Sludge Version - Xylem FLYGT 2640.181 Service And Repair Instructions

4 Maintenance
10.Mount the strainer and the nuts.
Tightening torque: 22 Nm (16.2 ft-lb)

4.6.11 Install the impeller: Sludge version

1. Prepare the shaft:
a) Polish off any flaws with a fine emery cloth.
b) Coat the inner conic, the outer cylindrical surfaces, and the thread of the conical
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The end of the shaft must be clean and free from burrs.
sleeve with a thin layer of grease.
The proper lubrication is grease for bearings, for example Exxon Mobil Unirex N3,
Mobil Mobilith SHC 220 or equivalent.
2640.181/.281 Service and Repair Instructions