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PAGE 40 — DCA20SPXU2 SERVPRO
®
TRAILER MAINTENANCE
crawl under the trailer unless it is on firm
and level ground and resting on properly placed and
secured jackstands.
The possibility exists of the trailer falling thus causing
equipment damage and severe bodily harm even death!
When performing trailer inspection and maintenance
activities, you must jack up the trailer using jacks and
jackstands.
When jacking and using jackstands, place them so
as to clear wiring, brake lines, and suspension parts
(i.e., springs, torsion bars). Place jacks and jackstands
inside of the perimeter strip on the supporting structure
to which the axles are attached.
Improper weld repair will lead to early failure of the
trailer structure and can cause serious injury or death.
repair cracked or broken welds unless you
have a certified welder perform the repair. If not, have
the welds repaired by your dealer.
If the trailer is involved in an accident, have it inspected
immediately by qualified personnel. In addition, the
trailer should be inspected annually for signs of wear
or deformations.
The leaf suspension springs and associated components
(Figure 47) should be visually inspected every 6,000
miles for signs of excessive wear, elongation of bolt holes,
and loosening of fasteners. Replace all damaged parts
(suspension) immediately
Figure 47. Leaf Suspension Components
U-BOLT
LEAF
SUSPENSIO
N
TIE PLATE
AXLE
U-BOLT
LOCKING
NUT
FRONT
HANGER BOLT
FRONT
HANGER NUT
HANGER SUPPORT
BRACKET IS WELDED
TO FRAME
Worn or broken suspension parts can cause loss of
control, damage to equipment and severe bodily injury,
even death!
Check suspension regularly.