3
Replacing the Chamber Block
HP
HP-
150
/
200
REPLACING THE CHAMBER BLOCK
STEP
4
STEP
4
STEP
5
STEP
5
STEP
6
STEP
6
In case of replacing the whole diaphragm
mounting block, move straight to
STEP 11
.
Remove the diaphragm ring from the diaphragm,
and then, detach the diaphragm from the
diaphragm base.
REPLACING THE DIAPHRAGM
Remove 2 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
7
STEP
7
Fit a new diaphragm and diaphragm ring in the
diaphragm base.
●Be sure not to leave a gap between them.
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.
●When pulling out the rod, be sure not to catch the rod
projection on the lever of the SP switch.
●If the pump stops automatically, the safety pin must be broken to prevent any
further damage to the pump. Be sure all broken pieces are removed from the unit.
(See
Step 14
)