
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
Put piston top [6.2] and piston body [6.1] with
O-ring [6.3] and back up ring [6.4] together
Lubricate O-ring and guide rings [6.5] with
Halocarbon 56 S acc. to LID
Screw piston top [6.2] and piston body [6.1]
together with allen head screws [6.6]
Assembly of the piston
and back up ring
1. Steps
– Descriptions
Assembly Instructions
Assembly of the piston and back up ring
2. Supplies
Halocarbon 56 S
Lubricate components acc. to LID
3. Tools
Torque wrench with allen key acc. to LID
Torque wrench (Tightening torques acc. to
LID
4. Appliance
Parallel vice with aluminium jaws
1
2
3