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
2. Supplies
None
3. Tools
Piston disassembly tool
Depth caliper
Tightening torques acc. to LID
4. Appliance
Test bench
Assembly Instructions
Assembly of the piston with liner and body
Place piston [6] and liner [8] into body [1]
by using piston disassembly tool for nominal
size above 3x4
Push piston [6] into lowest position.
Make sure that minimum lift h of the main
valve is reached.
In case of a under run to minimum lift
– contact
nearest LESER contract office/ service center
1. Steps
– Descriptions