P/N 1808684 Rev. I
4
Spring Pivot Installation - Single Axle Fixed Gantry
STEP 1:
Determine spring pivot mount locations on truck frame
rail. On driver side of truck, measure distance from
back of base assembly to back of longest container.
Divide measurement in half and mark location on truck
frame. Repeat on passenger side.
Item Part #
Description
1. 1808635 Internal Mount Spring Assembly - Driver Side
2. 1808634 Internal Mount Spring Assembly - Passenger Side
3. 1808641 Spring Pivot Tube
4. 1808646 Frame Mount Gusset
5. 1808645 Frame Mount Plate
J. 1800356 Carriage Bolt - 1/2" x 1 1/2"
R. 1800995 Lock Nut - 1/2"
1
2
J
R
NOTE:
To obtain accurate measurements, load longest
container before measuring.
STEP 2:
Position frame mount plate at marked location. Using
holes in plate as guide, mark hole locations on frame
rail and drill 5/8" holes. Fasten with grade 5 or better
5/8" bolts, washers and nuts (not included). Repeat
to install frame mount plate at same location on pas
-
senger side frame rail.
NOTE:
Do not weld directly to truck frame as this can weaken
frame and potentially void warranty. Components may be
welded to plates/structure already existing on truck frame.
STEP 3:
To determine spring pivot tube lengths, first measure
distance between outside faces of pivot mount plates
(frame width plus thickness of two plates). Subtract
measurement from overall width of 99 1/2". Divide re
-
mainder in half and cut spring pivot tubes to this length.
3
5
4
3
5
4
R
J
1/2
length
1/2
length
full
length
1/2
length
frame
mount
plate
drill
5/8"
holes
5/8"
bolts
(
washers
&
nuts
not
shown
)
99 1/2"
length
of
pivot
tube
length
of
pivot
tube
width
at
pivot
plates