GMC 1975 Motorhome Operating Manual page 87

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Living
Area Electrical Compartment
]1 is recomrnwnded f+, at
you Irovel
with
your LPG system off. All pilots and burn-
ers
should
be turned off and the tororol
valve an the LPG tank should he off . This
should also he done whenever
the vehicle
will not be in use . This reduces the hazard
of leaking gas .
LIVING AREA ELECTRICAL SYSTEM
Both the 12-volt DC and 120-volt AC circuits
in the MotorHome living area are designed to be
protected by a series of fuses and circuit breakers .
The 12-volt living area circuits are protected by
automotive-type fuses, and the 120-volt circuits
are protected by circuit breakers like those found
in modern homes.
The 12-volt living area fuse block is located
in the electrical compartment, next to the hall
closet, along with power converter and main
circuit breaker panel . In the event of an over-
loaded circuit, the cause should be corrected and
a new fuse of the same capacity installed. For
explanation of 12-volt fuse block number code,
refer to
GENERAL DATA AND SPECIFICATIONS
later in this manual .
The main circuit breaker panel, also located
in the living area electrical compartment, con-
tains circuit breakers that are designed to snap to
the "OFF" position in the event of an overloaded
120-volt circuit . Once the cause of the overload
is corrected the circuit breaker switch may be
moved back to the "ON" position.
The 120-volt / 12-volt power converter, lo-
cated in the living area electrical compartment,
8 1
VOLTAGE PEGRJLATOR-RECTIFIER
CIIICUIT I5REAKE~
BREAKER POINT BOX
OOVERNOR LINKAGE
5 MOWER SCROLL
6
ELECTRIC CHOKE
7
DIPSTICK (OIL FILLI
&
C14OKE LINKAGE
CARI~LIRFTOR
Onan Motor Generator (Top View)
(4000 Watt Unit Shown)
SERVICE INTERVALS
CAUTION
Do not
use
living area electrical tompart-
ment
as
a storage area . The power
converter must have a free flour of air
through and around
she
unit. If air flew
is restricted, +he converter could
overheaf
which
could
result in malfunction and
permanent damage. Do not let unit
get
vet, but do keep it as clean
as
passilble
to help assure its long Iife- The converter
can be cleaned with, lour pressure air f30
PSI moximuriki if
rvfi~t7sz~~Ey,
ONAN MOTOR GENERATOR
MAINTENANCE
For service intervals refer to the Maintenance
Schedule folder.

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