4
HP
Replacing the Chamber Block
HP-
100
/
120
REPLACING THE CHAMBER BLOCK
STEP
8
STEP
8
Fit a new diaphragm and diaphragm ring in the
diaphragm base.
●Be sure not to leave a gap between them.
STEP
9
STEP
9
In case of replacing the whole diaphragm casing
block, move straight to
STEP 12
.
Separate casing A and casing B.
Remove the valves from the casing B.
●If it is difficult to separate them, insert the tip of a
flatblade screwdriver into the clearance.
●Pull out the valves as they can be removed easily.
STEP
10
STEP
10
Insert each new valve into the center hold of valve
seat, and secure them by pulling with radio pliers.
●When reinstalling the valves, make sure the exhaust
and intake sides are correctly fitted.
STEP
11
STEP
11
Cut away end of respective valves pulling parts
(just in front of thick parts) by scissors or nippers.
REPLACING THE VALVE
