Jayco Hummingbird Towables 2019, Owner'S Manual

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Section 3: Pre-Travel Information
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Tow Vehicle
If you plan to tow your recreation vehicle with a tow vehicle you already own, or if you
plan to purchase a new one, make sure the Gross Vehicle Weight Rating (GVWR) or your
recreation vehicle does not exceed your tow vehicles towing rating.
Ask your automotive dealer how to obtain a copy of information that deals with towing
considerations, with or without an optional vehicle tow package.
Vehicle Labels
Decals and data plates used throughout the recreation vehicle aid in its safe and efficient op
-
eration; others give service instructions. Read all decals, data and instruction plates before
operating your recreation vehicle. Any decal, data or instruction plate painted over, dam-
aged or removed should be replaced.
Keep a record of the 17-digit chassis vehicle identification number (VIN), the 8-digit serial
number, and your license number in the event theft or vandalism requires you to supply this
information to the authorities.
Weight Terms
GAWR - Gross Axle Weight Rating: The value specified by the vehicle manufacturer as
the load-carrying capacity of a single axle system, as measured at the tire-to-ground inter-
faces. This is the total weight a given axle is capable of carrying.
GCWR - Gross Combined Weight Rating: The value specified by the trailer manufacturer
as the maximum allowable loaded weight of the trailer including full propane cylinders, a
full load of water, and full generator fuel if applicable.
GVWR - Gross Vehicle Weight Rating : The value specified by the manufacturer as the
maximum permissible weight of the fully loaded trailer.
OCCC - Occupant And Cargo Carrying Capacity:
Is equal to the GVWR of the trailer,
minus the weight of the trailer (as completed at the factory) minus the weight of all personal
cargo, and, if applicable, minus the weight of a full tank (or tanks) of propane and the full
weight of potable water, including the water heater (if so equipped). Additions to or other
changes made to the trailer after it left the factory will affect (reduce) the OCCC.
UVW - Unloaded Vehicle Weight:
The weight of the trailer as manufactured at the factory
with the weight of a full tank (or tanks) of propane.
Weight and Capacity Labels
The following labels are typically located on the roadside front corner of the RV. An ad-
ditional Occupant & Cargo Carrying Capacity label is also located on the inward surface of
the entry door.
 The factory-installed weight labels are specific to the recreation vehicle
for which they are supplied and are not interchangeable. Do not remove
these labels from your vehicle. If labels are missing contact your dealer
or Customer Service for replacements.
 Do not exceed any applicable weight ratings. Doing so could damage
your RV or tow vehicle and adversely affect handling and braking
characteristics.
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