ShoreLand'r Fishing - Manual (Page 30)

Springs:
Mount the slipper springs to the axle using two (2) 3/8” X
2-3/16” X 2” square u-bolts per side on the axle from the top
down and secure with 3/8” flange lock nuts.
Axle:
Place one (1) of the spring bushings into the rear of the spring
bracket and secure with a 1/2” X 3” hex bolt and a 1/2” flange
lock nut. Repeat on the other side. Position the axle under
the frame, then hook the spring loop around the bushing just
installed. Raise the axle assembly up so that the front of the
springs line up with the front spring bracket hole. Insert the
9/16” X 3-1/4” hex bolt and secure with a 9/16” hex lock nut.
Repeat on the other side of the axle. Tighten all fasteners.
Do not over tighten. The spring must have room enough to
move.
Mount the tire and rim assemblies using 80-90 ft./lbs. of torque
on the lug nuts.