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Revision B December 2013
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14
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B. Temporarily position “Upper Frame Support” (PN 615578) against the rear of the truck
frame (refer to Figure 2) and check for interference problems. Interference problems with
tail lights, dump bodies (in up position), etc. should be corrected before proceeding. (The
cross member on the Upper Frame Support may be removed after attachment to
underride.)
Figure 1 Section View Looking Outboard
LEVEL GROUND
CAUTION: Truck frame is high carbon steel. To avoid
cracking, do not weld or apply excessive heat to bottom
flange forward of rear-most leaf spring hanger.
LEAF SPRING HANGER
75 mm [3”]
MIN
TRUCK FRAME
CAUTION: Do not cut frame
cross member which ties into
outboard leaf spring hangers.
890 mm ±5 mm
[35” ±1/4”]
TRUCK UNDERRIDE
Figure 2
Cut off excess as required (leave
enough length of a 6mm [1/4”]
weld, top, and bottom).
890 mm ±5 mm
[35” ±1/4”]
Centerline of truck and
Upper Frame Support must
line up ±5mm [1/4”]
UPPER FRAME SUPPORT
(PN 615578)
TRUCK FRAME
BUBBLE LEVEL
After attachment is completed,
angle piece may be cut out.
GUSSET (PN 615578)
(4PLACES)
