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Maintenance — trailers, Leaf suspension – Multiquip LT12DAB User Manual

Page 35

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LT12Dab LIgHT TOWeR • OpeRaTIOn manuaL — Rev. #0 (06/03/11) — page 35

MaintenanCe — trailerS

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neveR 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!

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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.

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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 certified 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 qualified 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 23) 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 23. 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

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Worn or broken suspension parts can cause loss of

control, damage to equipment and severe bodily injury,

even death!
Check suspension regularly.