Trail Master Suspension TM413N FORD SUPER DUTY F-350 4WD DIESEL SUSPENSION LIFT KIT - Manual (Page 8)

TM411N, TM412N,
TM413N, TM414N
Revised
7.11.13
8
26. Place a jack under the pinion or radius arm.
On both sides remove the rear bolts holding
the radius arms to the frame of the vehicle.
27. Carefully rotate both radius arms down to
provide adequate space to install the new
drop brackets.
28. On both sides of the vehicle, assemble the
radius arm drop side plates (82-3166 on top)
and (82-3167, with the notch in it, on the
bottom) and bolt radius arm drop to the
frame. Use the supplied 3/4” X 1 1/2” bolts
in the front hole with the heads of the bolts
facing out. Do not torque at this time. See
ILLUSTRATION 4.
29. Use the spacer tube (90-2507) and the 3/4”
X 5” bolt in the rear hole. Do not torque at
this time. See ILLUSTRATION 4.
30. From the rear, slide the previously removed
and modified OE transfer case skid plate or
the new transfer case skid plate (91-7057)
in
between the frame and the rear of the radius
arm drop bracket. Insert (2) 7/16” X 1 1/2”
bolts through the outside holes in the rear of
the drop bracket. Tighten these bolts and
use the radius arm bracket holes as a drill
template to drill out the (2) inside holes in
the factory skid plate and frame. Drill the
holes using a 7/16” drill bit. Insert the re-
maining (2) 7/16” X 1 1/2” bolts in the
newly drilled holes. See ILLUSTRATION
5.
31. Raise the factory radius arm into the lower
hole in the drop bracket and skid plate. Se-
cure using the OE bolt. Do not tighten this
bolt until vehicle is on the ground. See IL-
LUSTRATION 6.
32. Torque the 7/16” radius arm drop bracket
hardware to 60 ft. lbs. and the 3/4” hardware
to 200 ft. lbs.
33. Raise the front axle enough to relieve ten-
sion on the shock hardware and remove the
shocks from the vehicle.
34. Lower the front axle enough to remove the
coil springs from the front spring pockets.
Illustration 8
Bump Stop Drop
Assembly
7/16” X 6 1/2”
Bolt
Factory
Bump
Stop
Factory
Mounting
Cup
82-2511 Bump
Stop Drop
7/16”
Washer
7/16” Bolt and
Washer
Existing
Bump
Stop
Hole
Drill Out
To 7/16”
Drill Out
Mount-
ing Cup
Hole To
7/16”
Illustration 7
Brake Line Drop Install
OE Hard
Line Ferrule
OE Brake
Line Bracket
Brake Line
Retaining Clip
Brake Line Drop
Bracket 90-7722
drvr and 90-
7723 pass
Brake Line
Retaining Clip
OE Bolt
OE Bolt
Bottom of Vehicle
OE Brake
Line
OE Brake
Line
Before After