Caster Adjustments
Caster is the fore and aft tilt (toward the front or rear of the motor home) of
the steering kingpin as viewed from the side of the motor home.
“Positive” caster is the tilt of the top end of the kingpin toward the rear of the
motorhome.
“Negative” caster is the tilt of the top end of the kingpin toward the front of
the motorhome.
A caster angle more positive than specified may result in excessive steering
effort and/or shimmy. An angle less positive may result in vehicle wander or
poor steering return to center. The caster angle is determined by the installed
position of the steer axle.
The caster angle will be 6º +/- 1º.
What if you don’t check your air pressure? If a tire picks up a nail or screw
that creates a slow leak and causes some air pressure loss, you might eventually
spot this visually, if it is a front tire or an outside rear dual. However, if it is an
inside dual, the chances of spotting it without an air pressure check are very
slim. If you begin driving without finding it, very quickly (in most cases a few
miles) your outside rear tire next to the low air pressure tire is going to heat up
carrying double its load, which will cause both tires to fail. Then you have two
tires down on the same side and on the same axle.
As you “preflight” check your motorhome every drive morning, include an
air pressure check of your tires. The peace of mind is worth the extra few min-
utes!
Proper Cleaning
Like the rest of your RV, it pays to keep your tires clean. Road oil will cause
deterioration of the rubber. Dirt buildup will help hold chemicals in the air next
to the tire and will also deteriorate the tire.
Chassis Information
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E X E C U T I V E
7 • 2 3 9
Care & Maintenance
of Tires Preflight
Checklist
Содержание Executive 2001
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Страница 46: ...E X E C U T I V E SECTION 3 APPLIANCES EQUIPMENT...
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Страница 177: ...Electrical Systems 5 1 7 7 EXECUTIVE N NO OT TE ES S...
Страница 178: ...E X E C U T I V E SECTION 6 UNIT CARE MAINTENANCE...
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