M&C TechGroup CSS-V2 Operator's manual - Manual (Page 22)

22 Gas sampling and gas conditioning technology 4-1.2-ME
15.3.1 REPLACEMENT OF THE PUMP HOSE
W A R N I N G !
Aggressive sample residues possible.
Wear protective glasses and proper protective clothing during
dismountage, repair or cleaning of the peristaltic pump!
N O T E !
In case you send the peristaltic pump to the M&C Service
Department, please indicate what medium has been lifted.
Before returning the pump to M&C, it must be cleaned from
dangerous or highly aggressive contaminations.




Figure 9 Replacement of the pump hose

Disconnect the gas conditioning system from the mains voltage;

Loosen the hose connections on the pump;

Press the moving strap  on the recessed grips and turn the S-bar  clockwise as far as the
limit stop;

Take out the moving strap  and pull the old pump hose  on the hose nozzles out of the
guides;

Press the pressure rollers  and check whether there is any tension on the springs, if not,
exchange the pressure springs (see chapter 15.3.2);

Place the new pump hose  with the hose nozzles into the guides of the moving strap ;
W A R N I N G !
Only when using the original spare pump hose, the perfect function
is guaranteed.
Never grease the pump hose.
Before assembling the peristaltic pump, examine all parts for
contaminations and if necessary clean them.

Put he moving strap  with the new hose  completely into the dovetail guide of the pump
body; press the moving strap on the recessed grips and turn at the same time the S-bar 
anticlockwise as far as it locks into place;

Turn the pump on.