4.4. Replacing seals
Replace seals only by hand or using blunt tools, or have them replaced by an AMC service
center.
Seals and sealing ring can be obtained from AMC as a package.
Use only AMC original spare parts for model 4300.
Sealing washer for the operating pressure valve
Insert the sealing washer into the opening. Note insertion
position: smaller diameter at the bottom.
Steam-venting valve
Insert the seal into the opening
The flat side of the rubber seal must be on the
underside of the bottom cover.
The groove of the rubber section must fit cor-
rectly in the hole of the plate.
Sealing cap for safety valve 3
Push the sealing cap on completely.
O-ring for safety valve 2
Push the O-ring on until it lies in the groove (at the bot-
tom). Do not pull the valve body out of the bottom cover.
O-ring under the Visiotherm S
Carefully push the O-ring over the thread. The O-ring
must lie completely at the bottom of the groove.
Do not confuse the openings for the sealing washer for the operating pressure valve or
for the steam-venting valve.
Do not put the O-ring of safety valve 2 over
safety valve 3.
Check safety valve 3:
The sealing cap must be in place and clean.
Check by pressing it with a finger whether the blue
sphere (under the sealing cap) is not stuck, can move
freely and springs back.
Check that the valve in the cover is clean and free to
move.
Check the O-ring under the Visiotherm S:
The O-ring must not be damaged and must lie com-
pletely at the bottom of the groove.
Assembling:
Insert sealing ring. Observe the mounting
position: The wavy line must point at the
cover (see figure). Press it down all around
with your fingers.
Insert bottom cover into top cover. Screw on
bell nut and tighten firmly.
Checking cover closure
Check the locking mechanism; to do this,
the cover must be positioned so that the
Visiotherm S points upwards.
The rotary knob must be easy to turn.
When closed:
The safety latch must not be bent out-
wards.
Both bolts must be held completely.
If the cover closure does not function properly, the Secuquick softline may no longer
be used. Contact AMC customer service.
EN
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