CLASS B
+
& C MOTORHOME
64
10.3.3 12 VOLT COACH FUSES
All 12-volt circuits are protected by either a circuit breaker or a fuse in the control panel. When a breaker trips or a fuse blows,
shut o all appliances or lights on the aected circuit and reset the breaker or replace the fuse with a new one of the same
amperage. The label on the panel identies both the fuse amperage and the applicable circuit.
The fuse panel is located next to the circuit-breaker panel, below the dinette.
10.3.4 BATTERY MAINTENANCE
Your batteries are reservoirs of 12-volt electrical energy. Whenever energy is removed from the battery it has to be replaced
in order for the battery to continue functioning. This energy is restored by the engine alternator whenever the engine is
running or by the RV charging system when plugged into a 120-volt power source.
1. Problems:
Two conditions can destroy the function of a battery. One is called sulphating in which a layer of sulphate crystals col-
lects on the lead plates inside the battery. This can happen when a battery is stored in a discharged state. This situation
requires replacement of the battery. The second is freezing. A battery must be kept at almost full charge to prevent
the liquid electrolyte inside the battery from freezing.
2. Prevention:
a. Disconnect the battery cables during long periods of storage.
b. Hook up a battery charger at least once a month during long periods of storage.
3. Long Term Storage:
If you do not intend to use your motorhome for a longer period of time it might be a good idea to remove the batteries
from the motorhome and store them in a cool dry location on a wood or rubber pad. The batteries should be charged
once a month in order to prolong their life.
4. Additional maintenance suggestions:
a. Check the external condition of the battery monthly. Look for cracks in the cover and case.
b. Make sure batteries are always securely fastened down.
c. Make sure battery clamps are tight and free of corrosion.
d. Keep the battery and terminals clean. Accumulations of acid lm and dirt may permit current to ow between the
terminals and discharge the battery.
e. To clean the battery, wash it with a diluted solution of baking soda and water to neutralize any acid present, then
ush with clean water. Foaming around terminals or on top of the battery is normal acid neutralization.
FUSE PANEL
BLOWN
GOOD
Do not allow battery electrolyte to contact skin, eyes,
fabrics, or painted surfaces. The electrolyte is a sulphu-
ric acid solution which could cause serious personal
injury or property damage. Wear eye protection when
working with batteries.
WARNING
Remove rings, metal watchbands, and other metal jew-
ellery before working around a battery. Use caution
when using metal tools. If a tool contacts the battery
terminals or metal connected to them, a short circuit
could occur which could cause personal injury or re.
WARNING
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