3
Replacing the Chamber Block
HP
STEP
4
STEP
4
STEP
5
STEP
5
STEP
6
STEP
6
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 15
)
Remove the 4 screws holding the chamber block
and the casing block.
(4 screws on each side)
STEP
7
STEP
7
In case of replacing the whole diaphragm mounting
block, move straight to
STEP 12
.
Remove the diaphragm ring from the diaphragm,
and then, detach the diaphragm from the
diaphragm base.
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.
HP-
100
/
120
REPLACING THE CHAMBER BLOCK
REPLACING THE DIAPHRAGM
