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 | |
|
| |
3/8" |
| |
|
| |
7/16" |
| |
|
| |
1/2" | ||
|
| |
SHACKLE BOLT | SNUG FIT ONLY. PARTS MUST ROTATE FREELY. | |
LOCKING NUTS OR COTTER PINS ARE PROVIDED | ||
SPRING EYE BOLT | ||
TO RETAIN | ||
| ||
|
| |
SHOULDER TYPE | ||
SHACKLE BOLT | ||
| ||
|
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PAGE 32 — MQ62TDD TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #0 (07/30/09)