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HIGHWAY EQUIPMENT COMPANY
17
97373-A
Page Rev. A
GENERAL SAFETY RULES
Installation Section
5. Do not weld on vehicle
frame as such welding can
lead to fatigue cracking and
must be avoided. When
drilling holes in frame
member, drill only through
the vertical web portions−
do not put holes in top or
bottom flanges. Refer to
truck manufacturer’s
recommendations.
6. Be sure that welds between mounting bars and sill or between mounting angles and spreader cross sills are
sound, full fillet welds. Center mounting angles so that good fillet welds can be made on three sides—and
edge bead weld is not a satisfactory weld for this service. Use dry, E6013 or E7018 rod for normal
steels. On stainless steel bodies use SAE grade 5 bolts—welding is recommended if type 308 welding
rod is available.
7. Install controls so that they are located of convenient use. Position them so that they do not interfere with
any vehicle control and that they do not interfere with driver or passenger or with access to or exit from
the vehicle.
8. Check for vehicle visibility, especially toward the rear. Reposition or add mirrors so that adequate
rearward visibility is maintained.
9. Add Caution, Warning, Danger and Instruction decals as required. Peel off any label masking which has
not been removed.
10. Install all guards as required.
11. Check installation completely to be sure all fasteners are secure and that nothing has been left undone.