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M21-M26-M30
11. Maintenance 11.
Filter:
Perform filter maintenance weekly
(program P46 or P47).
Compressed air drain:
Drain water weekly at the valve of the
glass tank.
Sight-glass, filter circuit:
If there is insufficient clearing of the
solvent, check the filter disc for
damage.
Manual valve, adsorption filter:
If adsorption is insufficient, drain and
replace cartridge.
Manual valve, operating material:
For emptying.
Tank sight-glass (front side):
Semi-annual tank cleaning through the
sight-glass opening. Rinse with program
P50
Manual valve, vacuum pump outflow:
For emptying during repair work.