APPENDIX B : COMPRESSOR DRIVEN AIRDRYER
B--18 20950 Issue 1 April 98
(9) Remove the piston seal in the top of the piston. If necessary, it is
possible to pull out the cylinder, complete with seal. Remove the
seal,thencleanandreplacethecylinder. Itmayalso beconvenient
at this stage to carry out step (12).
(10)Turnthecompressorfanuntilthepiston isfullyextended,keeping
the cylinder in place.
(11) Fitanewpistonsealtothetopofthepiston,thenfitandtightenthe
retainer plate and screw.
(12)Fit a new ’O’ ring to the cylinder.
(13)Carefullyremove,clean andrefitthevalveplatesassembledtothe
compressor head. Reassemble the head and valve plates to the
compressor and tighten the fixing screws diagonally and
uniformly, sufficiently to secure the head firmly, but without
over--tightening. Turnthecompressortoensurethattheassembled
machine moves freely.
(14)Fit a new compressor filter.
Valve Plate
Intermediate Plate
Gasket
Valve Plate
Head
Compressor
Filter
Cylinder
Compressor
Head Fixings
Compressor Head Assembly
AD006--2
‘O’ Ring
Piston Screw
Retainer Plate
Piston Seal