4 Maintenanc
e
4 - 2
Warning
In case that oil get mixed in the drain discharged from the auto drain, the
wastewater treatment is needed. Follow the regulations of local government.
How to remove the Auto Drain
1.
Close the ball valve.
2.
The air pressure in the case is pulled out by either of a)
or b) the following method.
a) Open the bleed valve rotating anticlockwise to release
the residual pressure. After the air pressure is
discharged, it tightens as before, and it shuts.
b)Open the Residual Pressure Release Cock at the drain
tube connection entrance as the cock is clockwise. The
drain in the case is exhausted at the same time as
discharging the air pressure. (Please hold the drain tube
by the hand so as not to twist while applied.)
3.
Remove the drain tubing from case assembly.
4.
Grip the case assembly lightly and pull down the lock
button with thumb. Then, directly turn the case assembly
left (or right) to match the eye marks. Remove thumb
from the lock button and pull the case assembly down
slowly (vertically) to remove the case assembly.
5.
Put aqueous solution of neutral detergent into the case
assembly and shake it to clean.
6.
Check case “O” Ring for damage such as: scarring, twist,
deformation, or foreign matters adhering to it. Then,
apply grease thinly and fit it in the gap of the case
assembly.
7.
Load the auto drain strainer to the case assembly and fit
it with the body of the auto drain. Turn it until it clicks in
place.
8.
As a safety check to make sure the casing is secured in
place, try to turn the case assembly lightly to confirm
whether it cannot be turned. If it can be turned, try to
re-attach the casing again until it snap in place.
Case “O” ring
Case Assembly
Lock Button
Lock
Button
Mark
Ball Valve
Bleed Valve
The bleed valve is done, and
the fixed hexagonal nut is
loosened to open, the screw is
done, and is done
counterclockwise.
Release Bush
Case
Assembly
①
Close Ball valve
③
Keep pushing the release
button and remove the tube.
Residual Pressure
Release Cock
Residual Pressure
Release Cock
Release Bush