Do Parabolic Springs require any maintenance?
A. A little light oil between the leaves will deter corrosion and prevent squeaks. The rubber bushings should be checked occasionally. It is also very important to check that the ‘U’ bolts are torqued up to 90 ft lb. The ‘U’ bolt torque should be checked frequently under difficult conditions. You should also check that the shackles are tight by loosening the lock nuts and tightening up the shackle bolts. The condition of the axle buffers and check straps should also be checked occasionally.
A. A little light oil between the leaves will deter corrosion and prevent squeaks. The rubber bushings should be checked occasionally. It is also very important to check that the ‘U’ bolts are torqued up to 70 ft lb. The ‘U’ bolt torque should be checked frequently under difficult conditions. You should also check that the shackles are tight by loosening the lock nuts and tightening up the shackle bolts. The condition of the axle buffers and check straps should also be checked occasionally.
