Hitachi CHROMASTER 5160 Instruction Manual page 155

Discharge
Valve
Valve holder
Packing (A)
Check valve
Packing (A)
Check valve
Packing (B)
Beaker
Beaker
Beaker
(4) Fill the ultrasonic cleaner bath with water. Put the beakers in
the ultrasonic cleaner bath and perform ultrasonic washing
for 5 to 6 minutes.
Beaker
(5) Spread a large piece of filter paper on the table. In the
following order, take out the valve chest, ball, and valve seat
from the beaker. Use tweezers to avoid contamination.
Then assemble the check valve using the correct
procedure.
NOTE: When assembling, do not make a mistake in the check
valve orientation and placement of the valve seat faces.
The glossy side of the valve seat should face the ball.
NOTE: The valve seat and ball are used as a pair. Be sure to
assemble the same pair together.
5 - 18
Suction
Valve
Valve
holder
Packing (A)
Check valve
Packing (A)
Check valve
Packing (B)
Beaker
Beaker
Beaker
Check valve holder
Ultrasonic cleaner