HP-
100
/
120
REPLACING THE CHAMBER BLOCK
roken to prevent any
re removed from the
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HP
S
S
T
T
E
E
P
P
4
4
Remove the 4 screws holding the chamber block
and the casing block.
(4 screws on each side)
S
S
T
T
E
E
P
P
5
5
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.
S
S
T
T
E
E
P
P
6
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 b
further damage to the pump. Be sure all broken pieces a
unit.(See
Step 15
)
S
S
T
T
E
E
P
P
7
7
REPLACING THE DIAPHRAGM
I
n 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.
3
