Difference between revisions of "Retract Pump and Cylinder Rebuild"
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| − | [[Image:Seals.jpg|right]] | + | [[Image:Seals.jpg|right]]The RG hydraulic pump rebuild kits seem strangely difficult to locate. There is some good info in the Lancair community. They use the same pump/cylinder system that Velocities do. According to their experts, the only non-standard part in the pump rebuild kit is the poppet valve, so you only need a rebuild kit if the poppet valve is leaking. Usually, you just need these standard O-rings from McMaster:<br/> |
013-90, Spool Seal (013N90)<br/> | 013-90, Spool Seal (013N90)<br/> | ||
Revision as of 14:36, 7 January 2015
The RG hydraulic pump rebuild kits seem strangely difficult to locate. There is some good info in the Lancair community. They use the same pump/cylinder system that Velocities do. According to their experts, the only non-standard part in the pump rebuild kit is the poppet valve, so you only need a rebuild kit if the poppet valve is leaking. Usually, you just need these standard O-rings from McMaster:
013-90, Spool Seal (013N90)
014-90, Check Valve Body seal (014N90)
908-70, Hex Plug Seal
908 Durometer 90
For more info, see Lancair builder Chris Zavatson's site: http://www.N91CZ.net
Linked below are his diagrams, explanations, and instructions for rebuilding the hydraulic pump and cylinders.
Rebuilding_Lancair_Hydraulic_Cylinders.pdf
http://www.velocityxl.com/downloads.php?do=file&id=365
