Midwest Industries, Inc. Ida Grove, IA 51445 800.859.3028 www.shorelandr.com 0003740
Page 9 12/06/06
ROCKER ARMS
Locate the rocker arms (Ref. No. 6 of Detail D in Diagram
D). Note that the center bushing has a grease zerk in it. Po-
sition the rocker arms up into the center channel welded in
the center of the tandem spring bracket so that the grease
zerk is pointing down. Align the holes in the channel with the
rocker arm. Secure in place with a 3/4” x 4-1/2” hex bolt and
lock nut. Tighten. Repeat this process on the other rocker
arm and spring bracket. Grease the rocker at this time by
applying grease through the zerk just discussed.
NOTE: The grease zerk is positioned down so that it is
accesible for servicing when needed.
SPRINGS
Position the axles so they are properly aligned with the trail-
er. Position the brake axle so that the disc brake calipers are
on the back side of the axle. The brake axle must always be
mounted as the rear axle to give you the best braking pos-
sible (See Diagram D). There is no right and left to the axle
without brakes. It can be mounted either way.
Place the springs on the topside of the spring pads welded
to the axle. (See chassis diagram). Note that the hook end
of the spring must be to the rear of the trailer. Place a spring
clamp on the top center of the spring as shown. Next place
the 1/2” x 6-1/2” U-bolts down over the top of the spring
clamp, spring and axle as shown.
Place the spring and axle U-bolt plate onto the ends of the
two U-bolts just placed. Secure in place with 1/2” lock nuts.
Thread onto the U-bolts but do not tighten securely until the
complete unit is in position on the trailer. Repeat on the other
spring.
AXLE
Place one of the spring bracket bushings into the rear of the
spring bracket and secure with a 9/16” x 3-1/4” hex bolt and
hex lock nut. Repeat in other spring bracket.
Position the rear axle under the frame, then hook the loop
of the springs around the bushings just installed. Note that if
the axle is positioned too low when trying to hook, the loops
will not hook around the bushings.Raise the front of the
springs up so they align with the rear hole in the axle boogie
just installed. Secure in place with 9/16” x 3-1/4” hex bolts
and lock nuts.
Install another spring bracket bushing in the front hole on the
rock arm assemblies. Secure with a 9/16” x 3-1/4” hex bolt
and lock nut. Tighten.
Hook the hook end of the springs mounted to the front axle
over the bushing just installed in the rocker arm assembly.
Swing the front of the spring up and attach the front mount-
ing hole in the spring bracket with another 9/16” x 3-1/4” hex
bolt and lock nut.
Tighten all axle U-bolts and spring bolts.
(10 pages)
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