AirMan PDS185S-6E1, Руководство по обслуживанию

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2. Maintenance
2-9
PC14006
2.6 Change O-ring of Unloader
<Caution during O-ring replacement>
●
When changing O-ring
“
1
”
,
“
2
”
,
“
3
”
, and
“
4
”
, coat
slightly the sliding surface with grease.
<Replacement of O-ring “4”>
●
O-ring
“
4
”
is composed of O-ring and resin ring
(generally called Teflon ring). When attaching it, the
resin is likely to expand and change itself. So replace
the O-ring, following the procedures
undermentioned.
CAUTION
Do not wear gloves for this job.
①
Coat O-ring
“
4
”
with grease, and install it in the O-ring groove of the piston
“
5
”
.
②
Coat the resin ring with grease, and install it on the O-ring
“
4
”
which is installed in
①
.
IMPORTANT
The resin ring is likely to be deformed if it is pulled with force. So install it by using the
following insertion tool.
PC14005
1
2
4
5
3
1
PC13127
4
Insertion tool (set the tool in piston end edge)
Resin ring
5
Part number
of the tool
00817 00195
Resin ring O-ring
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