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MAN Diesel PrimeServ Academy Exhaust Valve Design презентация
Содержание
- 1. MAN Diesel PrimeServ Academy Exhaust Valve Design
- 2. Exhaust Valve System < > Exhaust valve actuator Exhaust valve Special running conditions
- 3. Exhaust Valve Actuation MC versus ME < >
- 4. Exhaust Valve Pipe Connections < >
- 5. Exhaust Valve Actuator < > Top
- 6. < > Exhaust Valve Actuator Working Principle
- 7. Exhaust Valve Actuation Initial Position Step 1 Step 2
- 8. < > S50MC-C S50ME-C Hydraulic damper for
- 9. < > Self-adjusting damper piston Hydraulic
- 10. < > Exhaust Valve Assembly
- 11. < > Oil inlet to damper
- 12. Sealing Oil Control Unit < > Sealing oil
- 13. MOP Exhaust Valve Adjustments < >
- 14. < > Check pressure free at “minimess”
- 15. < > Connect the mini-mesh hose between
- 16. < > Close Open Special running
- 17. < > Check pressure free at
- 18. < > Close valve 531 to shut
- 19. < > Drain off air pressure from
- 20. < > Remove plug screw and mount
- 21. < > Reconnect air supply under air
Exhaust Valve System < > Exhaust valve actuator Exhaust valve Special running conditions
Слайд 8< >
S50MC-C
S50ME-C
Hydraulic damper for fixed valve stroke
Air spring size for closing
the exhaust valve reduced
Different valve spindle design
Design Features
MC versus ME
Слайд 9< >
Self-adjusting damper piston
Hydraulic nut/measuring cone
Outlet lube oil
Damper
Air inlet
Inlet lube oil
Contact
less sensor with integrated electronics
Design Details
Слайд 14< >
Check pressure free at “minimess” point 455
Close
Open
Special running conditions, open
exh-valve Small Bore Program (50 ME)
Слайд 15< >
Connect the mini-mesh hose between top flange on actuator point
540 and point 425 at the hydraulic block
Special running conditions, open exh-valve Small Bore Program (50 ME)
Слайд 17< >
Check pressure free at “minimess” point 455
Close
Open
Special running conditions, open
exh-valve Large Bore Program (From 60 and up)
Слайд 18< >
Close valve 531 to
shut off oil to damper
Special running conditions,
open exh-valve Large Bore Program (From 60 and up)
(From 60 and up)
(From 60 and up)
Слайд 19< >
Drain off air pressure from
air cylinder with a mandrel
Disconnect
air
supply to air spring
supply to air spring
Check that the exh. valve spindle has
moved to open position on the
Main Operating Panel, ’Maintenance’ –
’System View I/O Test’ – CCU, Ch 34
Special running conditions, open exh-valve Large Bore Program (From 60 and up)
Слайд 20< >
Remove plug screw and mount tools to
keep exhaust valve spindle
open
Special running conditions, open exh-valve Large Bore Program (From 60 and up)
Слайд 21< >
Reconnect air supply under air piston
Open damper oil supply
Valve 531
Special
running conditions, open exh-valve Large Bore Program (From 60 and up)
