1
1921 Slauson
A
ve. Santa Fe Springs, CA. 90670 (800) 227-41
16 F
AX (888) 771-7713
18
2.
Bolt extension plate to vehicle as shown in
FIG. 18-1
. If necessary, reposition ex-
tension plate so top surface is
fl
ush with top surface of sill. Then, torque bolts and
lock nuts to
105 +/-20 lb-ft
.
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.
STEP 1 - ATTACH EXTENSION PLATE TO VEHICLE -
Continued
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. 18-1
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
BOLTING EXTENSION PLATE (96” WIDE EXTENSION PLATE SHOWN)
FIG. 18-1
BOLTS
(KIT ITEMS)
EXTENSION
PLATE
VEHICLE
BODY
TEARDROP
LOCK NUTS
(KIT ITEMS)
3/16”
3/16”
WRAP WELD
HORIZONTAL
2” MIN/6” MAX
WRAP WELD
HORIZONTAL
2” MIN/ 6” MAX
Summary of Contents for GPTLR-25
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