Auxiliary Battery (Customer Supplied) - Jayco Hummingbird 2018 Owner's Manual

Section 6: Electrical System
Replacing A Fuse
Before replacing a fuse, always turn off the electrical components protected by it.
1. Disconnect the shore power cord.
Turn "off" the inverter (if so equipped).
2.
3. Disconnect the house or auxiliary batteries main negative battery cable.
4. Remove the fuse panel cover to check fuses.
5. Pull the fuse straight out of the fuse block.
Insert a new fuse of the same specified voltage, amperage rating and type in the original
6.
location.
The fuse panel label should be kept permanently affixed to your recreation vehicle. Fuses
will not offer complete protection of the electrical system in the event of a power surge or
spike.
12-Volt DC Outlet
There may be one or more 12-volt DC power outlets in your recreation vehicle. When the
12-volt DC outlet is used as a power source for an electric appliance, make sure the appliance
operates on 12-volt DC power and that it consumes less than 60 watts (5 amps) of power.
Keep the protective dust cap on the 12-volt DC outlet when not in use to
prevent ingestion of foreign material and potential short circuit conditions.

Auxiliary Battery (customer supplied)

Do not store anything inside the battery compartment(s) or near the
batteries that could touch the battery or battery cable terminals. Contact
with the battery or battery cable terminals could cause an electrical short
circuit, discharge the batteries, or start an electrical fire.
Keep sparks, cigarettes and flames away from the batteries as the
hydrogen gas they create may explode. Do not connect a booster
battery or other power source that outputs more than 14.2-volts DC
to the RV batteries. Use adequate ventilation when charging or using
batteries in an enclosed space. Remove metal jewelry and always wear
eye protection when working around batteries.
Do not allow battery electrolyte (acid) to come into contact with skin,
eyes, fabric or painted surfaces. Electrolyte is a sulfuric acid solution
that could cause serious personal injury or property damage. If your
hands, eyes, clothes or the painted surface of your RV are exposed to
electrolyte, flush the exposed area thoroughly with water. If electrolyte
gets in your eyes, immediately flush them thoroughly with water and get
prompt medical attention.
The combined 12-volt DC loads in your recreation vehicle become more than the converter
can produce. This demand can be met by using an auxiliary battery for a limited period of
time. The 12-volt system is designed for usage with a Group 27, deep cycle battery.
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Maintenance Record
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