Leser 810 Series Assembly Download Page 7

Objectives 

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 piston

Disassembly of the luproseal 
OC R20

Disassembly the disc

Disassembly of the seat

Disassembly of the pitot tube

Assembly of the
pitot tube

Assembly of the nozzle

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

Assembly of the top plate

7 / 19

Assembly of the Main Valve | LESER GmbH & Co. KG | 05.06.2018 | Rev. 00

Check nozzle projection hs 

Assembly Instructions

Assembly of the nozzle

Nominal size, Orifice

hs +2,5 / -0,5 [mm]

1x2“ D, E, F, G

85,3

1,5x2“ D, E, F, H

96,3

1,5x3“ G,H

106,8

1,5x3“ J

112,8

2x3“ G, H, J

115,8

2x3“ K+

120,8

3x4“ J, K, L

134,3

3x4“ N+

154,3

4x6“ L, M, N

167,3

4x6“ P

181,3

4x6“ P+

190,3

6x8“ Q, R

258,8

6x8“ R+

268,8

8x10“ T

324,3

8x10“ T+

334,3

Assembly of the nozzle

Summary of Contents for 810 Series

Page 1: ...Assembly of the Main Valve Series 810 and 820 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 Assembly of the Main Valve ...

Page 2: ...of the pitot tube Assembly of the nozzle 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 Assembly of the top plate 2 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 Objectives of the presentation Incre...

Page 3: ... disc Assembly of the piston and liner Assembly of the piston with liner and body Assembly of the top plate 3 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 Assembly of the pitot tube Assembly Instructions Assembly of the pitot tube Span body 1 with outlet on test bench Insert pitot tube 2 in body 1 Complete with tube 3 depends on nominal size Cover O ring 63 O ring is 9 19x2 62 ...

Page 4: ...isc 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 Assembly of the top plate 4 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 Assembly Instructions Assembly of the pitot tube 2 Supplies Soapy water Molycote D paste Lubricate components acc to LID 3...

Page 5: ...oseal OC R20 Assembly of the piston and disc Assembly of the piston and liner Assembly of the piston with liner and body Assembly of the top plate 5 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 Mount the POSV with inlet Pull O ring 61 and back up ring 62 on nozzle 5 Cover O ring with soapy water Make sure that O rings are twist free Screw nozzle 5 into body 1 by hand Install no...

Page 6: ...teel 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 Assembly of the top plate 6 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 Assembly Instructions Assembly of the nozzle 2 Supplies Molykote D Paste Soapy water Lubricate components acc to LID...

Page 7: ...he 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 Assembly of the top plate 7 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 Check nozzle projection hs Assembly Instructions Assembly of the nozzle Nominal size Orifice hs 2 5 0 5 mm 1x2 D E F G 85 3 1 5x2 D E F H 9...

Page 8: ...mbly 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 Assembly of the top plate 8 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 Cover O ring 7 3 with soapy water Place O ring 7 3 into disc 7 1 Make sure that O ring is twist free Place disc retainer 7 2 into ...

Page 9: ...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 Assembly of the top plate 9 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 2 Supplies Soapy water Lubricate components acc to LID 3 Tools Ring wrench acc to LID Torque wrench ...

Page 10: ... piston and liner Assembly of the piston with liner and body Assembly of the top plate 10 19 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 th...

Page 11: ... 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 Assembly of the top plate 11 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 2 Supplies None 3 Tools Ratchet with allen key acc to LID 4 Appliance Parallel vice with aluminum jaws Assembly Instructions Assembly of the luproseal OC R2...

Page 12: ...sc 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 Assembly of the top plate 12 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 2 Supplies None 3 Tools Socket wrench acc to LID Torque wrench Tightening torques acc to LID 4 Appliance None Assembly Ins...

Page 13: ...sembly of the piston and disc Assembly of the piston and liner Assembly of the piston with liner and body Assembly of the top plate 13 19 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 o...

Page 14: ...embly of the nozzle 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 Assembly of the top plate 14 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 2 Supplies Halocarbon 56 S Lubricate components acc to L...

Page 15: ...e Assembly of the pitot tube Assembly of the nozzle 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 Assembly of the top plate 15 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 Assembly of the piston w...

Page 16: ...ssembly of the piston and liner Assembly of the piston with liner and body Assembly of the top plate 16 19 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 pis...

Page 17: ...luproseal OC R20 Assembly of the piston and disc Assembly of the piston and liner Assembly of the piston with liner and body Assembly of the top plate 17 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 Stick rollpin 10 into hole of liner 8 Make sure that roll pin is orientated to outlet flange Put O rings 60 67 into groove of liner 8 carefully Lubricate studs with Molycote D paste...

Page 18: ...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 Assembly of the top plate 18 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 2 Supplies Molycote D paste Lubricate components LID 3 Tools Helpful Impact wrench acc to LID Ring wrench acc to LID Torque wrench Tig...

Page 19: ...he nozzle 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 Assembly of the top plate 19 19 Assembly of the Main Valve LESER GmbH Co KG 05 06 2018 Rev 00 Thank you very much for your attention LESER GmbH Co KG 20537 Hamb...

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