What kind of maintenance do I need to do to the weight distributing hitch WDH and sway controls?
Lubricate the ball mount sockets and spring bar trunnions to prevent rapid wear. When hooking-up, place one drop of oil on the top and a second drop on forward side of upper trunnion. Place a third drop on the rear side of lower trunnion before inserting trunnion into ball mount. Use a heavy oil such as “REESE ON THE BALL”. Don’t forget to lubricate the hitch ball with one or two drops also. Trunnion should be lubricated each towing day. It is not necessary to unhook the spring bars however, as there are two oil holes in the ball mount top plate for upper trunnion lubrication. Lubricate lower trunnions with one drop at contact point between trunnion and lower socket. Excess oil, dirt, and grit should be wiped out whenever trailer is uncoupled.
