Hoefer FH225V - Manual (Page 16)

4. Care and maintenance
Cleaning
• With the exception of the stainless steel
weights, do not heat any part above 45°C!
Do not autoclave!
• After use, wash each component with a mild
detergent, mild bleach solution, isopropanol,
or ethanol. Never use abrasive cleansers.
• Do not apply acetone to any component
containing PVC (e.g. the filtration box and
support manifold).
• Dry stainless steel parts to prevent rusting.
• The chimney weights are precision machined
and must be handled carefully to avoid damag-
ing the bottom sealing ridge. Store weights
with the ridge pointing up or in the supplied
shipping cushion. Certain types of damage can
be corrected by remachining the ridge.
• Do not remove the stainless steel filter support
grids in the manifold to avoid damaging them.
Replacing the gasket
If the gasket along the rim of the filtrate collec-
tion box becomes worn or torn, remove by
lifting and replace with a new gasket. Do not
overstretch the new gasket.
Aligning the valve
If the valve does not allow filtrate to pass in the
open position, check valve alignment by sighting
with a flashlight through filter support grid
and outlet. Screw in the valve (do not force)
until the hole in the valve aligns (the passage
becomes visible).
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