FORD E450 CUTAWAY OWNERS MANUAL

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DRIVER SIDE DISASSEMBLY 1. With weight taken off the rear springs, as noted in pre-installation checklist, remove the front and rear bolts from the leaf spring. 2. Remove existing U-bolts and U-bolt plate that attach the axle to the leaf spring . Remove the leaf spring from the axle. 3. Remove the front spring hanger bracket , rear leaf spring hanger bracket, and any overload spring brackets . See Figure 2-1. These can be removed by grinding, or air chiseling, the heads off the factory-installed rivets, and using a hammer and punch to remove remainder of the rivet. See Figure 2-2. 3. Remove the OEM shock absorbers and retain the lower mounting fastener for later use. 4. Cut the exhaust as it bends downward after the axle, at its most vertical and straight section. See Figures 2-3 & 2-4. Save the cut-off portion for use in Section 9. Remove the rear exhaust hanger from the frame. CAUTION: Be careful that the leaf spring does not spring out of its hanger, or off the frame. FIG. 2-4 FIG. 2-1 FRONT HANGER BRACKET FIG. 2-2 LEAF SPRING REAR HANGER BRACKET FIG. 2-3 CUT HERE FOR EXHAUST MODIFICATION 6 3. DRIVER SIDE ASSEMBLY 1. Review Figure 3-1 & Figure 11-2 to acquaint yourself with the various parts of the UltraRide suspension. 2. Fasten the Front Hanger to the frame using the (4) 7/16 x 1 1/4 UNC FLANGE BOLTS and (4) 7/16 UNC TOP LOCK FLANGE NUTS. (See Table 11-1 for appropriate Torque) . 3. Loosely secure the suspension Arm to the axle using (2) 5/8 UNF, 4.0 X 10.50 U-bolts, (4) 5/8 WASHERS, (4) 5/8 UNF HIGH NUTS, and the Arm Mount Plate. Make sure the locating pin is properly inserted into the mating hole on the axle pad and that the bottom side of the arm rests evenly on the axle pad. Note : Install the axle tube spacer between the U-bolts and Axle when installing on an E350. 4. Insert the Bolt Spacer Tube into the arm bushing and loosely fasten the Arm to the Front Hangar using (1) 3/4 X 7 UNF BOLT, (1) 3/4 UNF NUT, (2) 3/4 WASHERS, and (2) plastic wear washers. 5. Using the enclosed bolt hole template for the Upper Air Spring Mount, align the template to the frame using the appropriate rear spring hanger holes. Mark and drill three (3) new frame holes to 0.47″ on each side of the frame. Bolt the air spring bracket assembly to the frame using (5) 7/16 x 1 1/4 UNC CAPTIVE BOLTS and (5) 7/16 UNC TOP LOCK FLANGE NUTS. (See Table 11-1 for appropriate Torque) . Note : Use the correct holes designated for either the E350 or E450 chassis. See Figure 3-2. 6. Bolt the air spring to the suspension Arm using (1) 1/2 UNC JAM NUT. Make certain the air spring is not twisted or creased after tightening the nut. (See Table 11-1 for appropriate Torque) . FIG. 3-2 E450 HOLE PATTERN E350 HOLE PATTERN TEMPLATE OE REAR HANGER MOUNT HOLES FRAME FIG. 3-1 AIR SPRING ARM MOUNT PLATE AXLE TUBE SPACER WEAR WASHER TRAILING ARM U-BOLT FRONT HANGER BRACKET AIR SPRING MOUNT BRACKET 7 AFTER BOTH SIDES HAVE BEEN INSTALLED (Sections 4, 5, 6) FINISH THE FOLLOWING STEPS: 7. Tighten the Arm bushing bolts and the Arm U-bolts AFTER the suspension has been installed and brought to Design Height, in Section 9.5. (See Table 11-1 for appropriate Torque) . 8. Install the new shock absorbers using the same orientation as factory, with factory and enclosed hardware. 9. IMPORTANT: Route the brake cable away from the air spring and any other moving components. It may need to be tied, or slightly repositioned in order to accommodate this. 4. PASSENGER SIDE DISASSEMBLY 1. Repeat Section 2 for the passenger’s side of the truck. 5. PASSENGER SIDE ASSEMBLY 1. Repeat Section 3 for the passenger’s side of the truck. Double-check all fasteners for proper torque. Check all clearance points and all alignments. See Figure 5-1 for details.