Multiquip MQ62TDD manual Leaf Suspension, Suspension Torque Requirements

Models: MQ62TDD

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MAINTENANCE (TRAILER)

DANGER — Raising the Trailer

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 — Trailer Inspection

When performing trailer inspection and maintenance activities, 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 inside of the perimeter strip on the supporting structure to which the axles are attached.

WARNING — Trailer Impact

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 — Cracked or Broken Welds

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 — Trailer 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.

Leaf Suspension

The leaf suspension springs and associated components (Figure 24) 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.Torqued suspension components as detailed in Table 7.

Figure 24. Torsion Suspension

DANGER — Worn or Defective Suspension

Worn or broken suspension parts can cause loss of control, damage to equipment and severe bodily injury even death!

Check suspension regularly.

Table 7. Suspension Torque Requirements

Item

Torque (Ft.-Lbs.)

 

 

3/8" U-BOLT

MIN-30 MAX-35

 

 

7/16" U-BOLT

MIN-45 MAX-60

 

 

1/2" U-BOLT

MIN-45 MAX-60

 

 

SHACKLE BOLT

SNUG FIT ONLY. PARTS MUST ROTATE FREELY.

LOCKING NUTS OR COTTER PINS ARE PROVIDED

SPRING EYE BOLT

TO RETAIN NUT-BOLT ASSEMBLY.

 

 

 

SHOULDER TYPE

MIN-30 MAX-50

SHACKLE BOLT

 

 

 

PAGE 32 — MQ62TDD TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #0 (07/30/09)

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Multiquip MQ62TDD manual Leaf Suspension, Suspension Torque Requirements