Onan 6GO-F User Manual

DESCRIPTION
ENGINE
A ,Continental Red Seal engine, spec. No. Y91-273 orY91-264 powers the
plant. The engine is a 4 cylinder, L head, 4 stroke cycle, water cooled
internal combustion type. The cylinder bore is 2_7/8
11
, the piston
stroke 3-1/2", compression ratio 6.1 to 1, and the maximum horsepower at
1800 r.p.m. is 23. The engine speed is controlled by a centrifugal fly-
weight type, gear driven governor. 12 volt starting and ignition cur-
rent is furnished by two 6 volt batteries connected in series. Charging
current for the batteries is furnished by the generator. Full length
water jackets surround the cylinders and valve seats. Circulation of
the engine coolant is maintained by a belt driven, ball bearing pump,
and the coolant temperature is thermostat controlled. The cooling sys-
tem 'capacity is 11 quarts, U. S. Measure. A pusher type fan forces
cooling air out through the front of the radiator. A high water tem-
perature cut-off Switch stops the engine if the coolant temperature
reaches a dangerously high point. A gear type oil pump supplies pres-
sure lubrication to main, camshaft and connecting rod bearings. The
crankcase oil capacity, including the oil filter, is 4 quarts, U. S.
Measure. A fuel pump provides for connection to any appropriate gaso-
line fuel supply tarik. Some model plants are equipped with a 6 gallon
fuel tank mounted inside the plant housing. Other special model plants
are equipped to burn gaseous fuel.
GENERATOR
The generator is air cooled, has four stationary poles, and a revolving
armature. The generator is directly coupled to the engine, ~Vith the
armature turning at crankshaft speed. A series winding i::. used for
electrically' cranking the engine. The generator is self eXCited, gen-
erating both AC and DC. The direct current is used for exciting the
field and charging the batteries.
An extremely large commutator and slip rings are mounted at the ball
bearing end of the armature. The inner end of the armature is sup-
ported by the rear main engine bearing. All generator windings are
thoroughly impregnated .Vith insulating varnish and baked, to minimize
the possibility of internal short circuits.
Voltage and frequency are proportional to engine speed, which is regu-
lated by the engine governor. Speed is approximately 1800 r.p.m. for
60 cycle plants, and approximately 1500 r.p.ffi. for 50 cycle plants.
The generator design assures close voltage regulation between full load
and no load conditions.
CONTROLS
.~.
The plant controls include an electric choke, a start-stop switch, an
ignition Switch, and other relays and regulators necessary to the pro-
per operation of the plant. Remote control switches, automatic controls,
or line transfers may be connected to the plant. Some plants are
equipped with an electrical.meter panel.
ACCESSORIES
Accessories supplied with a standard housed plant include a hand crank,
batteries, battery hydrometer, breaker point wrench, a remote start-'
stop switch, a jar of ball bearing grease, and iristruction manud.ls.
2

Onan 6GO-F Specifications

General

Brand	Onan
Model	6GO-F
Category	Inverter
Language	English