Tractor-Coupling System
Mounting Bolts Inspect for loose or missing mounting brackets,
clamps, bolts or nuts. Both fifth-wheel and slide
mounting must be solidly attached.
Platform Inspect for cracks or breaks in the platform
structure.
Safety Latch Verify safety latch is engaged.
Release Arm Verify:
• the safety latch is in the engaged position
• any safety latch is in place.
Kingpin and
Apron
Verify:
• the kingpin is not bent or worn
• the apron lies flat on the fifth-wheel skid plate
• the visible part of the apron is not bent, worn,
cracked or broken.
Rear Suspension
Springs • Inspect for broken or shifted leaves or leaves
that are in contact with (or nearly contacting) a
tire, rim, brake drum, frame or body component.
• Inspect for missing or broken leaves in the leaf
spring.
Spring Mounts Inspect for:
• cracked or broken spring hangers
• broken, missing or loose bolts
• missing or damaged bushings
• broken, loose or missing axle mounting parts.
Torsion Arm and
Shock Absorbers
• Verify torsion arm is not cracked, broken or
missing.
• Inspect the shock absorber for cracks or leaks.
There should be no missing or broken mounting
bolts or worn bushings.
Vehicle Inspection Guide 23
2013 F-650/750 (f67)
Owners Guide gf, 2nd Printing, March 2013
USA (fus)
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