6
REV A
OPM-113
AUTOMATIC VOLTAGE REGULATOR
The following is a list of connections on the AVR. These have been
factory set and other than voltage adjustment, should never be
changed.
TERMINALS
Terminal 1 - Excitation Negative
Terminal 2 - Excitation Positive
Terminal 3 - AVR Power Supply
Terminal 4 & 5 - Voltage Sensing Input
Terminal 6 & 7 - Common for Sensing and Power Supply
VOLTS
To adjust generator output voltage.
Clockwise to increase voltage.
STAB
To prevent voltage hunting.
Clockwise to decrease stability and consequently the response time.
HZ
Sets the intervention level of the under-frequency protection.
These have been factory set and should never be changed.
BATTERY INSTALLATION
This engine generator set is shipped with a battery tie down kit for
customer installation. This kit consists of a battery tie down and
hardware for installation of the customer supplied battery on the unit.
If you intend to use the power plant’s electric start system, you will
need to purchase and install a battery to operate it.
A 12 Volt battery, group U1 rated at 275 CCA or larger is recommended
for this electric start engine-generator set. Follow the battery
manufacturers recommendations for servicing and charging prior to
use. Connect the battery to the electric start system using the cables
provided.
CAUTION: EQUIPMENT DAMAGE
These electric start engines are NEGATIVE GROUND. Use extreme
caution when connecting the battery. Connect the NEGATIVE battery
terminal to GROUND.
For your safety, always connect the positive battery cable to the “bat+”
terminal first. Then connect the negative battery cable to the “bat-”
terminal. Make sure all connections are clean an tight. Reverse the
sequence when disconnecting, disconnect the negative cable first.
These engines produce enough direct current to keep the battery
charged under normal operating conditions, but were not intended to
be used as a battery charger.
WARNING: PERSONAL INJURY
Lead acid batteries produce explosive hydrogen gas when charging.
Keep sparks, flames, and burning cigarettes away from the battery.
Ventilate the area when charging or using the battery in an enclosed
space. Lead acid batteries contain sulfuric acid, which causes severe
burns. If acid contacts eyes, skin, or clothing, flush well with water.
For
contact with the eyes, get immediate medical attention.
BATTERY CHARGING
Units have a small flywheel charger built into the engine flywheel
assembly for recharging the starting battery. This flywheel charger
generates a small AC current that passes through a diode assembly
to produce DC charging current of about 1 to 3 Amps. This circuit is
not designed to be used as a battery charging circuit to recharge dead
batteries.
LIFTING EYE INSTALLATION
The lifting eye is shipped loose along with a bag of parts. Install the
base of the lifting eye below the middle support. See diagram below.
OPTIONAL DOLLY KIT
An optional 2-wheel dolly kit is available for this generator. The dolly kit
comes with its own instructions and parts list.
CAUTION: EQUIPMENT DAMAGE
Be sure to check the wheels properly before operating the generator.
Button head
cap screw
Washer
.375
Flange
.31258 - 18
