KSB SE & Co. KGaA Standardised Chemical Pump MCPK050-32-250.1

WARNING — Back Pull-Out Unit Tipping Over. Risk of crushing hands and feet!

Suspend or support the bearing bracket at the pump end.

Suspend or support bearing bracket 330 to prevent it from tipping over, if required.

Unbolt support foot 183 from the baseplate.

Undo hexagon nut 920.01 at the volute casing.

Pull the back pull-out unit out of the volute casing.

Remove and dispose of joint ring 411.10.

Place the back pull-out unit on a clean and level surface.

CAUTION — Mixing Greases Of Differing Soap Bases

Adjust the re-lubrication intervals to the grease used

Half-fill the bearing cavities with grease

Fill the cavities in the bearing cover until they are about 1/3 full

Removing the mechanical seal - cylindrical casing cover

Ensure preliminary steps are completed

Unscrew hexagon nuts 920.02 and push back seal cover 471 (if fitted)

Unscrew hexagon nuts 920.04, if any

Remove casing cover 161 from bearing bracket 330

Pull complete mechanical seal 433 with shaft protecting sleeve 524.01, seal cover 471 and thrower 507.01 off shaft 210

Removing the mechanical seal - conical casing cover

Ensure preliminary steps are completed

Pull shaft sleeve 524.01 with the rotating assembly of mechanical seal 433 off the shaft

Observe and carry out notes and steps from Section 7.4.1 to Section 7.4.7

Push shaft 210 with deep-groove ball bearing 321.01/.02 out of the bearing bracket

Heat up the deep-groove ball bearing to 80°C and pull it off shaft 210

Pull deep-groove ball bearing 321.01/.02 off the shaft in cold condition for grease-lubricated models

Dispose of joint rings 400.01/.02

Wear heat-resistant protective gloves

Remove flammable substances from the danger zone

Ensure the individual parts are in a clean and level assembly area

Verify all dismantled parts have been cleaned and checked for wear

Confirm any damaged or worn parts have been replaced by original spare parts

Check that the sealing surfaces have been cleaned