Plus and PSS Series - Lung Demand Valve
tm 1285.001 - August 2001
5:10
4 Insert the hook end of the
retractor tool into the hole in the
side lugs of the spacer (1) - pull
and remove spacer. While
keeping the hose fully inserted
into the air transfer block (3), slide
the clip (2) towards the air transfer
block to release clip from hole in
body. Insert the hook end of the
retractor tool under the extended
pin of the clip (2) then pull to
remove the clip from end fitting
of the hose. Grip and pull the hose
to remove the tailpiece from the
body of the demand valve.
Discard defective hose.
Note:
Discard spacer (1) and clip (2) –
Do Not
re-use
.
5.6.2 Assembly of Medium
Pressure Hose
1 Check that O ring seals (1) and
(2) Fig. 7 of tailpiece are fitted
correctly and not damaged. If
necessary replace O-rings.
Apply thin coating of Molykote
111 grease around outside
diameter of the O-rings.
Safety Note: Read instructions on Molykote
111 container regarding the safe
handling of silicone grease.
Refer to Figure 8.
2 Fully insert tailpiece through hole
in body of lung demand valve
and into hole in air transfer block
(3) then push and assemble a
new clip (2) over the end fitting
of hose - retaining the hose in
position. Whilst keeping the end
fitting of the hose fully inserted -
slide the clip (2) away from the
air transfer block - insert a new
spacer (1) ensuring that the lugs
of the spacer locate around the
extended pin of the clip (2). See
Fig. 8. Pull on the hose to check
that it is secure.
1135
Fig. 8
1136
1
2
3
Fig. 6
1134
1
2
3
Fig. 7
12
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