{HEAD ~ Each turn} assist {TAIL ~ cylinder} is coupled between the frame and a corresponding caster wheel assembly 
assist
{ HEAD ~ Each turn } assist { TAIL ~ cylinder } is coupled between the frame and a corresponding caster wheel assembly
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH