11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713
19
2. Bolt extension plate to vehicle as shown in FIG. 19-1. If necessary, reposition extension
plate so top surface is fl ush with top surface of sill. Then, torque bolts and lock nuts to
105 +/-20 lb-ft.
BOLTING EXTENSION PLATE (96” WIDE EXTENSION PLATE SHOWN)
FIG. 19-1
STEP 1 - ATTACH EXTENSION PLATE TO VEHICLE -
Continued
VEHICLE
BODY
EXTENSION
PLATE
BOLTS
(KIT ITEMS)
3/16”
3/16”
NOTE: An optional 102” wide extension kit is available for 102” wide vehicles.
WRAP WELD
HORIZONTAL
2” MIN/ 6” MAX
WRAP WELD
HORIZONTAL
2” MIN/ 6” MAX
TEARDROP
LOCK NUTS
(KIT ITEMS)
WRAP WELD AROUND END
OF EXTENSION PLATE
NOTE: Do not tighten extension plate bolts and lock nuts until:
• All the bolts and lock nuts are in place.
• Mating surfaces of extension plate and rear sill are made fl at as possible.
• Top of extension plate is fl ush with top of rear sill.
CAUTION
The mating surface between the bolt-on extension plate and vehicle rear sill
must be as fl at as possible. Interference between the mating surfaces could
result in a distorted top surface of extension plate when all the bolts are
tightened. Distorted extension plate can also make the dual steps diffi cult to
install correctly. Remove interference or shim rear sill to eliminate or reduce
the possibility of a distorted extension plate.
CAUTION
NOTE: Weld the LH and RH ends of the extension plate to vehicle body as shown
in FIG. 19-1 if any of the following conditions apply.
• Bolt holes are not accessible on the corner posts of the vehicle body.
• Liftgate will be used for dock loading applications.
• As required by body/trailer manufacturer
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