4. Checks and Inspection
4 - 3
- Open the residual pressure release cock
at the drain tube connection port to
release air and drain fluid left in the product.
(Leave the drain tube connected and hold
it with hand so that it does not get twisted.)
- Because drain may be given by air pressure left
in a product like a careful.
- Remove the drain tube.
Pull out the tube while pushing up the drain tube release bush.
- Hold the case assembly lightly and pull down
the lock button with thumb.
Then, turn the case assembly to the left (or right)
to 45
o
to align the marks.
Release your thumb from the lock button and
slowly pull down the case assembly (vertically)
to remove it.
- Remove the auto drain strainer and clean it.
Take care not to cut your hand with the sharp edges
of the strainer.
- Pour solution of neutral detergent into the case assembly
and shake it well to clean.
- Check the case O-ring for damage such as scratches,
twisting or foreign particles attached to it.
Then, apply grease thinly and fit it in the groove in the
case assembly.
- Fit the auto drain strainer to the case assembly and fit it into the
drain separator body.
Turn it untill the lock button clicks.
- Try to turn the case assembly lightly and check that it does not turn.
If it turns, start with fitting the case assembly to the body again.
- Close the residual pressure release cock and mount the
drain tube and front panel as they were.
- When reapplying compressed air to the air dryer, first open the
valve on the inlet side slowly.
Check for compressed air leak and if everything is all right, open the valve on the outlet side.
- If the auto drain strainer or case assembly is damaged or very dirty, replace it with a new one.
Drain tube
S
O
Open
Close
Residual
pressure
release
cock
Drain tube
release bush
Lock
button
Turn to 45
o
(right or left)
Lock button
Mark
Pull it down
slowly.
CAUTION
Check that air
pressure is zero
before servicing.
Drain separator
body
Auto drain
strainer
O-ring
Case assembly
