Subaru Robin Power Products R1300 User Manual
Model
WITH EMISSION CERTIFIED ENGINE
PUB-GS1185
Rev. 4198
Section
1
.
2
.
3
.
4
.
5
.
6
.
7
.
.
Title
Page
8
.
9
.
10
.
11
.
12
.
1
SPECIFICATIONS
Generator
Engine
TY Pe
T-
Frequency
AC Voltage (Rated current)
Max.
AC Output
:
Rated
DC
Output
Voltage regulation system
Type
I
Displacement
Bore
x
Stroke
Fuel
Fuel tank capacity
Oil pan capacity
Continuous operating hours per tank
Brushless, self-exciting, 2-pole, single phase,
revolving field
60
Hz
120V
(8.3
A)
1300
W
I
1ooow
’
12V-
8.3A
cu. in
gal
pints
3.6
(100 W)
(143
cm’)
in
(63
(3.5
(600
hours
x
liters
cc)
46 mm)
j
I
I
Condenser system
I
:
Forced Air-cooled, 4-Stroke, Side Valve,
I
Gasoline Engine
I
I
8.73
i
I
2.48 x 1.81
i
1
Automotive Gasoline (unleaded)
I
0.9
i
I
I
8
I
U.S.
1.3
U.S.
Approx.
Ignition system
Starting system
I
Dimensions
Dry
weight
Specifications are subject to change without notice.
(L
X
W X H)
1
I
1
I
I
I
I
I
Solid state ignition
Recoil starter
19.3
60.6
x
1
1.3 x 16.1
Ibs.
(27.5 kg)
in
(490 x 288 X 41
Omm)
-1-
2.
PERFORMANCE
2-1
AC
OUTPUT
CURVES
7300
1200
1000
800
A
I
s
600 e
3
E
3
0
400
2-2
DC
OUTPUT
200
1
2
3
4567
CURRENT(A)
9
10
11
The voltage curve shown in the
of
DC
characteristic
output when charging a battery.
The voltage may be decreased
resistance load
is
applied.
by
left
20%
indicates the
when the
”
0
2
4
CURRENT
6
(A)
8
-
10
-2-
3.
FEATURES
LOW-NOISE
Mounting of Air-cooled, 4-Cycle, Super Side Valve ROBIN Engine (EYlSD-SSVR) and introduction
of a larger muffler into the machine realized low-noise operation.
0
LIGHT-WEIGHT COMPACT
The machine is easy to carried about due to its light-weight (27.5kg) and compact design.
0
HIGH
The 1300W output is an increase of lOOW over the
0
EASY OPERATION
OUTPUT (increased maximum
output)
6OHz
maximum output of the current R1210.
The one-touch engine control switch integrates the engine on/off switch and the choke. All controls are
conveniently located on the front panel.
0
LONG OPERATION
The large
0.9
U.S.
gal. (3.5 liter) fuel tank allows about
3.6
hours of continuous operation at
rated load.
4
60Hz
0
MINIMAL MAINTENANCE
The brushless design and condenser voltage regulator system ensure maintenance
0
FUNCTIONAL FEATURES
The AC/DC push button circuit breaker allows for easy
is
or when the machine
not functioning properly.
and
safe operation when an overload occurs
free
operation.
Equipped with voltmeter for reading AC output voltage.
DC
output can be obtained for the re-chargeable battery.
0
NOISE PREVENTION
Resistor spark plug prevent electric-wave noise for radio,
0
OIL
SENSOR (optional)
T.V.,
etc.
The oil sensor detects when oil decreases below the designated level, stopping the engine and
preventing engine damage.
-d
-3-
4.
GENERAL
DESCRIPTION
4-1
TERNAL
EX
DC
VIEW
terminal Engine control
of
GENERATOR
(CHOKE-RUN-STOP)
1
switch
Frequency adjusting
,screw (internal)
starter
Fuel cock
'
Fuel strainer
I
\
I
Oil warning lamp
(With
oil
sensor type)
\
Air
cleaner cover
\
Muffler
Carrying handle
.
Fuel tank cap
Drain plug Oil
filler
Fig.
4-1
-4-
cap
4-2
LOCATION
of
SERIAL NUMBER
and
SPECIFICATION NUMBER
Serial number and specification number are stamped
tank.
NOTE:
Always speciiy these numbers when inquiring about the generator or ordering spare parts in
parts
and
order to get correct
Label
(Model
name)
accurate service.
\
on
the
LABEL
(MODEL
NAME)
stuck
on
the fuel
-1
Fig.
4-2
-5-
5.
CONSTRUCTION
5-1
CONSTRUCTION
6P
coupler
AND
\rll
FUNCTION
Rear
cover
Rotor complete
\
\
Stator complete
I
'I
Condenser Mount rubber
5-2
FUNCTION
5-2-1
The stator consists
core, a main coil and a condenser coil which are
wound
The condenser
generates
STAT0
in
the core slots.
AC
Diode rectifier
R
of
a laminated silicon steel sheet
coil
excites the rotor field coil which
voltage
in
the main coil.
'
Ball
Fig.
bearing
5-1
I
Through bolt
\
Stator cover
Front cover
-6-
Fig.
5-2
5-2-2
A
CONDENSER
condenser
is
mounted on the rear cover and is
connected to the condenser coil which is wound on
the stator. This condenser and condenser coil regulate the output voltage.
Fig.
5-3
5-2-3
ROTOR
The rotor consists of a laminated silicon steel sheet
core and field coil which is wound over the core.
DC current in the field coil magnetizes the steel
sheet core. Two permanent magnets are provided for
the
primary exciting action.
A
cooling fan
rotor shaft to cool the
generator parts.
A
diode rectifier
the .insulator. (See Fig.
is
pressure-fitted on the end of the
coils,
cores, rectifier, and other
(See
Fig.
5-4)
and
resister are mounted inside of
5-5)
Cooling air is sucked by the rotor fan through the
slits of the rear cover and is expelled through the
of
outlets
the front cover.
Fig.
5-4
-7-
Fig.
5-5
5-2-4
CONTROL
PANEL
The control panel has a double
ground terminals, and
DC
AC
terminals.
receptacle with a
The voltmeter displays output voltage of the generator. The circuit breaker for
generator
from getting damages caused
AC and
DC
protects the
by
over-
loading or defective appliance.
Fig.
5-6
-8-
5-3
GENERATOR OPERATION
PERMANENT MAGNET
FOR
INITIAL EXCITATION
I
I
Fig.
I
‘CONDENSER
5-7
5-3-1
SURGE
ABSORBER
GENERATION
Of
NO-LOAD VOLTAGE
When the generator starts running, the permanent magnet built-in to the rotor generates 3 to
AC voltage in the main coil and condenser coil wound on the stator.
As one or two condensers are connected to the condenser coil, the small voltage at the condenser
@
coil generates a minute current
is
produced with which the magnetic force at the rotor’s magnetic pole
which flows through the condenser coil. At this time, a small flux
is
intensified. When this
magnetic force is intensified, the respective voltages in the main coil and condenser coil rise up.
As
the current @ increases, the magnetic flux at the rotor’s magnetic pole increases further. Thus the
voltages at the main coil and condenser coil keep rising by repeating this process.
of
As AC current flows through the condenser coil, the density
AC
This change of magnetic flux induces
‘AC
coil circuit rectifies this
voltage into
magnetizes the rotor core to generate an output voltage in
When generator speed reaches
3000
voltage in the field coil, and the diode rectifier in the field
DC.
Thus a DC current @ flows through the field coil and
the
to
3300
r.p.m. , the current in
magnetic flux in the rotor changes.
main coil.
the
condenser coil and field coil
increases rapidly.
This acts to stabilize the output voltage of each coils.
If
generator speed further increases
value, the generator output voltage will reach to the rated value.
to
the rated
6V
of
5-3-2
VOLTAGE FLUCTUATIONS UNDER LOAD
When the output current @ flows through the main coil to the appliance, a magnetic flux
@
serves to increase current
flux across the rotor core rises.
in the condenser coil. When current @ increases, the density of magnetic
As
a result, the current flowing in the field coil increases and the
generator output voltage is prevented from decreasing.
-9-
is
produced and
w
5-3-3
DC
OUTPUT
-
DC output
the diode stack (rectifier) where the output undergoes
full-wave rectification and is then supplied to the
load. The diode works to allow the current to
the direction
flow in the direction
Fig.
5-8-2
ator.
the voltage in
@
flows in the direction shown in the figure, while
no current flows between
current
On
the
that in
shown in the figure.
B
because the current is cut off by the diodes
is
taken out
@,
shows the DC output circuit
DC
voltage
A
is
cut off by the diodes
contrary, when the voltage in C is higher than
A,
the current
from
the DC coil and is fed to
flow
but does not allow the current to
8,
as shown
is
generated in the
is higher than that
@
flows in the direction as
No
current flows between A and
in
Fig.
5-8-1.
of
DC
coil. When
in
Cy
the current
B
and C because the
D,.
the gener-
D,.
in
Main
coil
4
-a
-0
Fig.
5-8-1
Dl
+
As
a result, the voltage generated at the output terminal has a wave form with two peaks in one cycle, as
in the case of the output wave form shown in Fig.
Between A and
\
'"0
Between c and
-.
0\
CAUTION : Do not use DC and
-
Due to a characteristic
and
AC
output creates voltage drop In
batterles.
/
I
\
\
AC
output simultaneously.
of
Fig.
5-8-2
5-8-3.
6
/
B
/-
'\
/
I
\
1
j
Fig.
5-8-3
the condenser voltage regulation, simultaneous use of DC
DC
output resulting in incapability for charging
Output
Curre'nt
flowing flowing
between between
A
and
B
0
waveform
C
and
B
-
10
-
5-4
ELECTRONIC
The electronic ignition system features a power transistor as the current control element. Therefore, the
ignition system
controlling the current. This system
ignition failure which generally results from contamination
contact type ignition systems.
Because this ignition system has
contaminants.
maintenance.
TIC
The
flywheel which
mechanism consists of a transistor-incorporated ignition coil and a permanent magneto built-in
IGNITION
is
an electronic contact point-free type that operates with the power transistor impulses
As
a result, this electronic ignition system ensures sure and positive ignition with reduced
is
press-fitted
SYSTEM
is
also
called TIC (transistor igniter circuit) and
no
contact points, it
on
the rotor shaft of the generator.
is
virtually free of
of
the contact points, a typical problem with
is
not affected by moisture,
oil,
dust, or other
4
Fig.
5-9
(1)
When the permanent magneto built-in flywheel start rotating, power
@
of the ignition coil and current flows to the resistor
From the resistor, current flows the power transistor. With this current, the power transistor turns
releasing current
(2)
As
the flywheel comes to the point of ignition, timing detecting circuit
@
is flowing through the circuit.
When the ignition timing detecting circuit
current @ flowing. When current @ starts flowing, current @ flowing through the power transistor
cut
quickly.
simultaneously to the spark plug which ignites for ignition. This stage corresponds to the opening of
contact points.
a.
This stage corresponds to the closing of contact points.
As
a result, high voltage is produced
is
activated, the signal transmitter transistor actuates with
.
in
the secondary coil and this voltage
is
generated in the primary coil
is
activated while the current
is
applied
on,
is
-
11
-
5-5
-
OIL SENSOR
(OPTION)
-
5-5-1
0
0
DESCRIPTION
The oil sensor mainly functions to detect position
of the surface of engine oil in the crankcase
engines for general use and to stop the engine
automatically when the oil level goes down below
the lower limit specified.
This prevents seizure of engine from occurring due
in
to insufficient amount of oil
Since the sensor has been designed to consume a
part
of
power supplied to the igniter to energize its
electronic circuit, any other external power supply
is not necessary
oil filler port.
Introduction of newly developed sensing principle
features super durability and
passage
Merits due to introduction
0
@
@
@
of
It has resistance to mechanical shocks and property of no change with the passage of time as
sensing element consists simply of electrodes having no moving parts.
At the same time, it
vibrations.
No
error occurs due to foam and flow of the oil.
Influence against the ignition system or the electronic units
current supplied to the sensor can be decreased.
so
that it can be mounted at the
time as it does not use any moving part.
is
the crankcase.
no
change with the
of
electrical conductivity detection are as follows;
capable of detecting the oil level stably as it
of
I
I
I
!
i
\
oil
sensor
Fig.
5-10
is
not influenced
can
be neglected because an electric
by
engine
I
I
i
i
1
i
5-5-2
There is a great difference between electric resistance of air and that of oil.
Since the resistance
through the
The sensor detects this current difference and make use of it.
The sensor judges the oil quantity, by comparing a current flowing across a pair
outer) with the reference, in such a way that if a current flows between the electrodes more than the
reference, sufficient oil
oil is
Since an electric current is flown to detect oil quantity, this
detection” type
The oil level to be detected is determined by the length of electrodes and their mounting positions with
the engine.
5-5-3
”
[Power
The sensor makes use of a part of primary power source for ignition of the engine (igniter) to drive
sensor circuit. Power to the sensor can usually be derived from the ”stop button” by branching wires out.
PRINCIPLE
air,
not
sufficient.
’
HOW
IT
supply]
OF
SENSING
of
air is far higher than that of oil, more electric current passes through the oil than
although absolute value of the current
is
in the crankcase, on the other hand,
of sensor.
OPERATES
OIL
LEVEL
is
very smalI.
of
electrodes (inner and
if
a current flows less than the reference,
is
called the “electrical conductivity
the
-
12
-
[Judgement
When sufficient oil is in the crankcase, both of inner and outer electrodes are immersed in the oil through
which current flows across the electrodes. The sensor judges that oil in the crankcase is sufficient.
When oil level goes down and the inner electrode is exposed to the air due to consumption of oil, no
current flow between the electrodes as air
The sensor in this case judges that oil
of
oil
level]
is
considered to be electrically non-conductive.
is
insufficient.
4
[Decision
Oil level at the electrodes may go
by vibration even if a sufficient oil is in the crankcase.
For that reason, the sensor has an electronic timer circuit to prevent it from interpreting as short of oil
when amount of oil is sufficient. The sensor has been designed
when oil-shortage
The timer employs an integration circuit and it is to be reset when the inner electrode is soaked in the oil
again before the sensor decides it as oil-shortage.
The
“threshold level”.
[Automatic stop
When
of engine.
Once the stopping circuit is activated, it keeps functioning until it confirms that the engine has made a
complete stop, then the circuit stops functioning automatically.
5-5-4
of
oil
shortage]
down
momentarily probably due to the engine being slanted or affected
so
that the engine is to be stopped only
is
detected
oil level where the sensor decides
of
engine]
the
sensor decides as oil-shortage, it makes the engine to stop running automatically for protection
BLOCK
DIAGRAM
for
5
OF THE
seconds uninterrupted.
as
oil-shortage, when oil level goes down gradually,
CIRCUIT
is
called
e
Power circuit
Inner pole
oil
Outer
0
Power circuit----*-*---- This rectifies a part of power to the igniter and regulates it to supply the
-
I
pole
Detection
circuit
stabilized power
-
Deley circuit
Fig.
to
necessary circuits.
-
5-1
1
13-
Stopping
circuit
Igniter
LED
indicator
Engine ground
-1
@
Detection circuit*****-* This detects quantity of oil, sufficient or not, according to difference of
electric resistance across inner and outer electrodes.
Delay circuit
@
stopping circuit
5-5-5
(1)
(2)
”
CAUTIONS TO
Oil sensor unit
0
Be sure not to damage each wire.
Broken or short-circuited power supply wires and/or a grounding wire in particular may lead to
malfunction or breakdown.
Mounting and wiring of oil sensor unit
0
Although this has been designed to have enough anti-noise properties in practical use, do not route
the sensor wirings in the vicinity of noise-generating sources such
cords. This may cause malfunction or breakdown.
@
Since capacity of power source
kept as low as possible.
Be sure to use terminals with a high contact reliability
**.*.-**.-*
-
-
* * *
BE
This prevents the sensor from making an unnecessary stop of the engine by
oil
momentary lowering of the
affected by vibration in spite of sufficient oil in the crankcase.
-
This automatically stops the engine running.
Also, the LED indicator for warning can be’
stopped. We have the wires
TAKEN ON HANDLING
is
limited, current flown in the electronic circuit of the sensor is
THE
level due
to
be connected to LED available.
SENSOR
of
more than that
to
the engine being slanted or
lit
while the engine
as
ignition plugs or high voltage
of
tinned terminals.
is
being
(3)
Operation of oil sensor
0
If operating with the engine kept tilted, oil surface inside of the engine varies and the correct oil
level can not to be detected which in turn obstructs the preventing function of engine seizure.
the
Operate
@
When starting the engine with an insufficient oil in the crankcase, engine starts once then
automatically after it runs for about 5 seconds.
@
When the engine has been stopped by the oil sensor, voltage remained in the electronic circuit
prevents the sensor from being re-started for
Try
to re-start the engine after 3 seconds or more.
engine by keeping it level.
3
seconds after the engine stop.
it
stops
-
14-
6.
Use extreme caution near fuel. A constant danger of explosion or fire exists.
Do
not fill the fuel tank while the engine
tank. Be careful not to spill fuel when refueling. If spilt, wipe
Do
not place inflammable materials near the generator.
Be careful not to put fuel, matches, gunpowder, oily cloth, straw, and any other inflammables near the
generator.
Do
not operate
Always operate
Otherwise the engine may overheat and also, the poisonous carbon monoxide contained
gases will endanger human lives. Keep the generator at least
facilities during use.
Operate
If the generator
generator may tip over.
the
the
generator in a room,cave or
in
a well-ventilated area.
generator
is
on
a level surface.
tilted or moved during use, there
is
running.
Do
not smoke or use open flame near the fuel
it
and let dry before starting the engine.
tunnel.
in
the exhaust
1
m
(4
feet) away from structures or
is
a danger of fuel spillage and a chance that the
4
Do
not operate with wet hands or in the rain.
Severe electric shock may occur. If the generator
before starting.
Don’t pour water over the generator directly nor wash
If
the generator is wet with water, the insulations will be adversely affected and may cause current
leakage and electric shock.
Do
not connect
This may cause a short-circuit or damage to the generator.
Never connect the generator to the existing house wiring.
when the commercial power source is recovered.
Don’t operate the generator with its cover removed.
The operator may be injured or suffer electric shock.
CAUTION; If the circuit breaker tripped
can be an overload or a short-circuit.
In
appliance and plugs for faulty wiring.
the
generator to the commercial power lines.
off
such a case, stop operation immediately and carefully check the electrical
is
as a result
wet by rain
it
with water.
If
of
using an electrical appliance, the cause
or
snow, wipe
connected, the generator will burn out
it
and thoroughly dry it
4
-
15-
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