There are many different designs of shock struts, but most operate in a similar manner. The following discussion and picture post is general in nature. For information on the construction, operation, and servicing of a specific aircraft shock, consult the manufacturer’s maintenance instructions.
A typical pneumatic/hydraulic shock strut uses compressed air or nitrogen combined with hydraulic fluid to absorb and dissipate shock loads. It is sometimes referred to as an air/oil or oleo strut. STAY TUNED FOR NEXT POST RELATED TO THIS