Contourbreton NC260K - Cleaning the vacuum pump

Instructions for cleaning the vacuum pump

1 - Tools required

Jug

Funnel

Hex wrench 11

Hex wrench 30

Strap wrench         

Allen wrench 6

T-handle wrenches with hexagonal opening

2 - Ensure the machine is safe to work on before proceeding with maintenance

Steps to follow:

1- Turn the key selector switch “Maintenance” to the left.

2- Press the button “Open doors”

3- Open the doors                            

4- Turn the key selector switch “Auxiliary” to the left.

3- Drain  old and used oil

Steps to follow:

1 – Open the tap for draining  the oil

2 – Drain oil completely

3 – Close tap

4 - Change oil filter

Steps to follow:

1 – Unscrew the filter cartridge and collect the oil

2 – Grease the seal on the new filter cartridge

3 – Screw the filter cartridge and clean any excess oil

5 - Fill with oil

Steps to follow:

1 – Unscrew the cap on the oil tank

2 – Fill the oil tank with 2 L of new oil

3 – Using the level indicator positioned on the tap check oil level

4 – Replace and screw on tank cap

6 - Removing bracket

Steps to follow:

1 – Unscrew the two pairs of screws used to secure the bracket for the air filter dome cover. 

2 – Move the bracket to access and remove the exhaust filters

7 - Replace exhaust filters

Steps to follow:

1 – Unscrew the 4+4 screws which secure the filter covers in place, remove filter covers.

2 – Unscrew and remove the brackets which secure the filters in place.

3- Remove the two exhaust filters.

4- Screw the 8 screws which secure cover LH side.

5 – Mount the new filters and secure in place with the brackets.

8 - Replace air filter positioned downstream from tank.

Steps to follow:

1 – Unscrew the filter holder dome cover, remove the filter and clean the dome cover with water.

2 – Replace filter and screw dome cover in place.

9 - Replace bracket

Steps to follow:      

1 – Position the bracket and screw the 2+2 screws used for securing the bracket to the tank.

10 - Replace air filter positioned upstream from tank.

Steps to follow:

1 – Unscrew the filter holder dome cover, remove the filter and clean the dome cover with water.

2 – Replace filter and screw dome cover  in place.

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