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PAGE 46 — MAYCO LS400/LS500 PUMP — OPERATION AND PARTS MANUAL — REV. #6 (09/19/11)
Torsion Suspension
The mounting bracket (Figure 49) of the torsion suspension
assembly is bolted directly to the trailer frame. Except for
periodic inspection of the bracket’s fasteners to the trailer
frame, no other suspension maintenance is required on the
axles.
Figure 49. Torsion Suspension
TORSION
BAR
SPINDLE
5/8”-18 X 2”
MOUNTING
BOLT
5/8”-18
NYLOC NUT
GRADE C
AXLE
TUBE
TORSION
ARM
MOUNTING
BRACKET
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.
WARNING - Trailer Impact
NEVER crawl under the trailer unless it is on firm and
level ground and resting on properly placed and secured
jack stands.
The possibility exists of the trailer falling thus causing
equipment damage and severe bodily harm even death!
Danger - Raising the Trailer
When performing trailer inspection and maintenance ac-
tivities, you must jack up the trailer using jacks and jack
stands.
When jacking and using jack stands, place them so as
to clear wiring, brake lines, and suspension parts (i.e.,
springs, torsion bars). Place jacks and jack stands in-
side of the perimeter strip on the supporting structure to
which the axles are attached.
DANGER - Trailer Inspection
Worn or broken suspension parts can cause loss of
control, damage to equipment and severe bodily injury
even
death!
Check suspension regularly.
Danger - Worn or Defective Suspension
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 - Cracked or Broken Welds
Broken or damaged welds can cause injury or severe
damage to your trailer and contents. Inspect all of the
welds for cracks or failure at least twice a year.
Danger - Trailer Welds
LS400/LS500 PUMP — MAINTENANCE (TRAILER)