KSB SE & Co. KGaA Standardised Chemical Pump MCPK065-40-250

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

DANGER — Excessive Temperatures

Verify oil change intervals based on temperature

Ensure oil quality meets specifications

Select the pump model to determine oil quantity

Is the lubricant condition satisfactory?

Verify notes and steps from Section 7.4.1 to Section 7.4.4 have been observed/carried out

Ensure the back pull-out unit is in a clean and level assembly area

Undo impeller nut 922 (right-hand thread)

Remove impeller 230 using an impeller removal device

Place impeller 230 on a clean and level surface

Remove keys 940.01 from shaft 210

Remove and dispose of joint rings 411.31/411.32

Check that all parts are in place after removal

Wear heat-resistant protective gloves

Remove flammable substances from the danger zone

Ensure the individual parts are kept 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Confirm any damaged or worn parts have been replaced by original spare parts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

Wear heat-resistant protective gloves

Remove flammable substances from the danger zone

Note: Angular contact ball bearings must be installed in 'O' arrangement. Bearings installed in pairs must always be from the same manufacturer.

Heat angular contact ball bearing 320.02 and inner race of cylindrical rolling element bearing 322.01 to approx. 80 °C in an oil bath

Assembly of Bearings and Components

Push angular contact ball bearing 320.02 and inner ring of cylindrical roller bearing 322.01 onto shaft 210 until they will not go any further

Use a C-spanner to tighten keywayed nut 920.21 without lockwasher 931.01