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HP- 30/40/50
CAUTION
！
●Be sure to unplug the pump unit.
●Replace the diaphragms and the valves with new ones at least once a year to one and
a half year regularly in order to maintain their initial performance.
●For chamber block replacement, be sure to change both chamber blocks at the same
time.
●The rod employs powerful permanent magnets. Therefore, be sure to remove your
watch and any other precision machines before operation as they may be affected by
the strong magnetic force.
●Do not put the actuating rod close to a magnetic card, a magnetic disk or other
magnetic media as the data may be destroyed.
STEP
STEP
REMOVAL OF THE CHAMBER BLOCKS
1
1
To remove the upper housing.
To remove the sound absorber.
Pull out the L-tube from the casing block.
Remove the 4 screws holding the chamber block
and the casing block. (4 screws on each side)
STEP
STEP
2
2
Remove 1 U-lock nuts from one side holding the
diaphragm mounting block to the rod.
●Use the nut driver to loosen (or tighten) the U-lock nut.
STEP
STEP
3
3
Remove one of the diaphragm mounting blocks
from the actuating rod and pull out the other
diaphragm mounting block with the rod. After
that, separate the diaphragm mounting block and
the rod.
This completes the chamber block removal
procedure.
2
REPLACING THE CHAMBER BLOCK