to secure bellville spring washers 44 axially between the cap shoe 38 and the adjustable spring carrier 48 as best seen in fig4 guide pin 42 terminates in a diametrical slot 54 for receiving with an axial clearance a diametrical elongate yoke 56 which is connected at opposite ends to carrier 48 by bolts 58 to assure correct orientation of arcuate surface 38 a with aligning slots 64 in spring carrier 48 the stabilizer assembly 28 is lubricated prior to being placed in service and can be lubricated while in service for this purpose at least one grease cap 38 fig3 is mounted on housing wall 34 for communicating via one or more passages 31 a through spring carrier 48 to enable additional heavy duty lubricants to be pumped into the housing periodically a plurality of grease cups 31 and related passages may be provided at various locations in the periphery of the housing wall 34 to afford handy access for lubrication after installation any excess lubricant can overflow through the gap 43 between the cap shoe and housing wall the stabilizer assemblies are adjusted in situ while bridge leafs 10 a and 10 b are in the closed position with no vehicular traffic passing across the leafs to.