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Bentone B40 MF/B45-2 MF
For installers
O
P
5.4 Replacement of oil pump B40 MF
/ B45-2 MF
Removal and installation
1. Break the main current and disconnect the Euro plugs from the burner.
2. Undo the oil hoses from the pump.
3. Remove the immersion heater from the pump.
4. Loosen the screws (O) and pull out the oil pump
5. Move the pump coupling to the new pump and set the same distance
between (P) the pump and the pump coupling as before in order to
avoid pressure on the pump seal.
6. Install the oil pump on the burner and tighten the screws (J). (It is
important that the pump shaft splines align correctly in the pump
coupling).
7. Fit the immersion heater in the pump.
8. Fit the oil hoses.
9. Fit the Euro plugs and turn on the main current.
10. Bleed the pump, start the burner and set the correct oil pressure.
11. Check combustion. *
Note:
* When servicing/replacing components that affect combustion, an
analysis and soot test shall be carried out on the installation.
!
Use caution when operating the burner, surfaces may be hot.
!
The burner pump has a service life of about 3-5 years if the oil
is of a grade that is compliant with standard DIN 51605:2010-
10. If oil of different grade is used, and especially if it contains
contaminants such as grit, pumice, metal shavings, etc. or is
chemically aggressive, the pump may be expected to have a
signifi cantly shorter service life.
!
When servicing oil bearing components, check for oil leakage
when the burner is commissioned after servicing.
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