8 | Cleaning and servicing
Büchi Labortechnik AG
56/62
Operation Manual Sepiatec SFC-250
1
Motor
2
Body
3
Rotor
4
Cap/Stator
8.5.2
Dismantling
u
Use the 3/32“ hex key provided to remove the
five hex socket screws that connect the stator
to the valve body.
u
Place the stator on its outer side to prevent
damage to its sealed surface.
u
Carefully pull the rotor away from the motor.
u
Check the rotor surface for scratches. Replace
the rotor if there is any damage.
u
Check the surface of the stator.
u
Replace it if there are any scratches between
the connections. Contact BUCHI Customer
Service to have the part examined to ascertain
whether it can be reconditioned.
u
Use suitable solvents to clean all parts and take
care to avoid scratching the surfaces. The rotor
does not need to be dried.
8.5.3
Assembling
u
Put the rotor back on the motor. Make sure the
rotor surface with the notch indicating the flow
is facing outwards.
u
Put the stator back on the valve.