Disassembly of the pilot
supply filter
Disassembly of the manual
blowdown
Disassembly of the remote
sensing
Disassembly of the piston
and disc
Disassembly of the luproseal
OC R20
Assembly of the O-Ring
disc / stainless steel disc
Assembly of the piston
and back up ring
Assembly of the luproseal
OC R20
Assembly of the piston
and disc
Assembly of the piston
and liner
Assembly of the piston
with liner and body
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Assembly of the Main Valve | LESER GmbH & Co. KG | 05.06.2018 | Rev. 00
Moisten cylinder of liner [8] with
Halocarbon 56 S
Put guide rings [6.5] on unit
–
out of 9.7
–
Insert piston complete [6] into liner [8]
carefully for nominal size 1x2…2x3
from bottom and for 3x4…8x10 from
top of liner [8]
Check visual whether there is a gap
of approx. 2-10 mm at each guide
ring
Make sure that piston [6] is free-
moving in liner [8] over it’s full length!
Assembly of the piston
and liner
1. Steps
– Descriptions
Assembly Instructions
Assembly of the piston and liner
1
2