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DA7000 SERIES GENERATORS • OPERATION AND PARTS MANUAL — REV. #5 (01/20/11) — PAGE 37
MAINTENANCE (TRAILER)
DANGER
NEVER crawl under the trailer unless it is on fi rm
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!
DANGER
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.
DANGER
Improper weld repair will lead to early failure of the
trailer structure and can cause serious injury or death.
DO NOT repair cracked or broken welds unless you
have a certifi ed welder perform the repair. If not, have
the welds repaired by your dealer.
WARNING
If the trailer is involved in an accident, have it inspected
immediately by qualifi ed personnel. In addition, the
trailer should be inspected annually for signs of wear
or deformations.
Leaf Suspension
The leaf suspension springs and associated components
(Figure III) 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 III. Leaf Suspension Components
U-BOLT
LEAF
SUSPENSION
TIE PLATE
AXLE
U-BOLT
LOCKING
NUT
FRONT
HANGER BOLT
FRONT
HANGER NUT
HANGER SUPPORT
BRACKET IS WELDED
TO FRAME
DANGER
Worn or broken suspension parts can cause loss of
control, damage to equipment and severe bodily injury,
even death!
Check suspension regularly.