Inspection, Service & Maintenance
Ring & Pintle Check for cracks, pits
and flats. Replace w/ring
and pintle having trailer
GVW rating
Grease.
Check locking device &
replace when worn.
146
“Coupling to the Tow
Vehicle” section
“Coupling to the Tow
Vehicle” section
Section 10.2.5.2
Tires Check tire pressure
when cold. Inflate as
needed.
Check for damage.
Sections 7.1 & 10.2.9
Sections 7.1 & 10.2.9
Wheels - Lug Nuts (Bolts)
& Hub
Check for tightness
Tighten. For new and
remounted wheels,
check torque after first
10, 25 & 50 miles of
driving and after any
impact
Section 7.1
Sections 8.1 & 10.2.13
Inspection and Service each Month
Item
Inspection / Service Manual Section
Reference
Lubrication Lubricate door hinges
and dump body pivots
Section 10.2.11
Inspection and Service each 6 Months or 6,000 Miles
Item Inspection / Service Manual Section Ref.
Brakes, electric
> Magnets
> Controller (in tow
vehicle)
Check wear and current
draw
Check power output
(amperage) and
modulation
Section 10.2.1.7
Section 10.2.1.6
See Controller Mfr’s
Manual
Tires Inspect tread and
sidewalls thoroughly.
Replace tire when treads
are worn, when sidewall
has a bulge, or sidewall
is worn.
Rotate Every 5,000 Miles
Section 10.2.9
Section 10.2.9
Section 10.2.9