!
9. Wipe
entire unit.
Coat rustable
parts
with
a light
film of
grease or oil.
10.
If
battery is used,
disconoect and
follow standard
battery
storage
procedure.
DUST
AND DIRT
l.
Keep
plant clean.
Keep
cooling surfaces clean.
2. Service air cleaner as
frequently as necessary.
3. Change crankcase oil every
50
operating
hours
or
sooncr.
4.
Kcep
oil
and
gasoline
in
dust-tight
containers.
5.
Keep
governor
linkage
clean.
6.
Clean
generator
btushes,
slip
rings
and commutatot.
Do
nol remove normal
(dark btown) film.
Do
oot
pol
ish.
HIGH
ALTITUD E
For operation
at altitudes
of
2500 feet above sea level,
close
carburetor main
jet
adjustment slightly
to
main-
tain
proper
air-to-fuel
ratio (refet to the
ADJUSTMENT
SECTION), Maximum
power
will be
reduced approxi-
mately 4%
for
each
1000 feet above sea level, after lhe
first
1000 feet.
SEQUENCE OF OP
E RATION
See Table
1 for a
typical
sequcnc{:
of
operation for your
Onan
electtic generating plant.
TABLE
I.
SEQUENCE
OF OPERATION
Operate
starl swr tch.
Energizes
statt so
Solenoid cofltacts
close,
Battery
current fed
to
ignition
coil and
fuel
pump.
Current fed to
electlic
choke operates
carbuletor
choke.
Current
fed to
generator
series
field, cranks
englne.
Operate
start switch until
ge$eiator speed
builds
up.
Generator
DC cunent
produced.
AC output
current ptoduced
and fed to load.
Release
start
switch.
Recharges
baltery.
Takes
over
energizing
of trarlsistorized
st art
disconnect.
The
charge
rate is high
when the battery is
not
fully
charged.
DC
current
passes
tluough
both the
resistor
and
transistor
which are
paralleled by operation of
transistorized
circuitry.
When the battery
becomcs
fully charged, the solid
state
voltage
regulator removcs
a resistor
ftom the
circuit
and current passes through the low rate
tesrslor onl y.
!
l6
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