Instruction Manual
W32- Series Medium-Vertical Compressors
Page I - 24.
•
Screw in the screw-in pressure plug with a pressure
pad and tighten.
NOTE
Ensure thad the stud is unscrewed.
•
Screw in the stud firmly, fit a new gasket and
secure with the cap nut.
•
Put the cylinder head on the cylinder and secure it
with the internal hex.screws, for the correct torque
value, see page I – 20.
•
Reconnect the intake and pressure lines.
4.5. Changing the valves of the 3
rd
stage
For removal and installation of the 3
rd
stage intake
valve proceed according to 4.4. Pressure valve (5) is
merely inserted into valve head (7). It is sealed y O-
ring (4) and fixed to the valve head by stud (3).
CAUTION
Check intake and pressure valves together, only.
Removal and reinstallation of 3
rd
stage pressure valve
(Fig. 14).
•
Remove acorn nut (1), rewind stud (3) up to three
or four turns.
•
Remove internal hex. Screw (9) fixing valve head
(7), take off valve head cover (8).
•
Put two screwdivers into the groove of outlet valve
body, see fig. 15. If necessary loosen valve first by
using a 13 mm spanner on the flat surfaces.
Lift out pressure valve (5) together with o-ring (4).
Reinstall pressure valve (5) in reverse sequence:
•
Put O-ring (4) into valve head (7). Check O-ring for
abrasions.
•
Insert pressure valve (5). Put on valve head cover
(8).
•
Fix valve head (7) with internal hex.screws.
•
Screw in and fasten stud (3)
•
Put on gasket (2)
Fig. 15 Removal of 3
rd
stage pressure valve
•
Screw on acorn nut (1).
5. INTAKE
FILTER
The filter cartridge must be cleaned or changed at
regular intervals. The intervals depent on the air taken
in by the compressor. In hevy dust conditions monthly
or even weekly servicing can be necessary.
To clean, remove cover and spring (1), take out
micronic filter cartridge (2) and clean with brush or by
blowing air inside out. Turn cartridge through 90°
when replacing. Replace dirty cartridge once it has
been turned three times and thus used on all sides.
4
3
2
1
9
8
7
1
2
5
3
4
6
Fig. 16 Intake filter
Clean filter housing inside with a damp cloth. Take
care to prevent dust from entering intake pipe.
Replace O-ring (3) ifnecessary. When changing
cartridge make sure spring (1) on top cover is installed
properly.
Fig. 14 Valve head 3
rd
stage
