Section 5- Maintenance; Spark Arrester Maintenance; Oil Drain Valve Operation; Troubleshooting - North Star 10500 SBG Installation And Operation Manual

The oil pressure sender is located on the muffler
side of the engine, and is connected to the system
controller via lead wire "O9". The oil pressure
sender is normally closed when the engine is not
running. A normally closed sender will complete
an internal circuit to the engine block, which is the
system ground. An ohmmeter is useful for
checking if the sender is functioning correctly.
: If lead wires "G8 and O9"
Trouble Shooting Hint
are connected together, the system control board
will always shut down the engine as a result of low
oil pressure. Lead wire "G8" is a system ground
wire, and if the oil pressure sender is closed, lead
wire "O9" will be connected to ground.
: The system control board can shut down the
8
generator at any time due to high engine
temperature. A high temperature condition is
monitored by a thermo-disk mounted to the
engine. The thermo-disk is normally open and
closes if the compartment air temperature
becomes excessive. The thermo-disk is connected
to the system control board via the two lead wires
"O10 and O11".
: The system control board
Trouble Shooting Hint
will shut down the engine if lead wires "O10 and
O11" are connected together. If the thermo-disk is
closed, lead wires "O10 and O11" are connected
together.
Section 5
Maintenance
To insure reliable and trouble free operation of
your stand by generator, it is important to follow
recommended maintenance schedules. Consult
your Honda engine owner's manual for
maintenance schedules.

5.1 Spark Arrester Maintenance

The spark arrester should be removed and
cleaned with a wire brush every 50 hours of
engine operation.
1: Remove the setscrew and clean it with a
brush.
2: Pull the spark arrester out of the outlet
tube.
3: Clean the screen assembly with a wire brush.
If breaks in the screen are discovered, the
screen assembly must be replaced.
4: Return the screen assembly to the muffler
outlet tube and refasten with the set screw.
SCREEN

5.2 Oil Drain Valve Operation

The engine oil drain valve can be opened with
either a 10mm metric socket, or a pair of pliers.
Simply turn the valve counterclockwise to open the
valve. Turn the valve clockwise to close.
VALVE
19
Muffler Assembly
SET SCREW
Spark Arrester
SPARK
ARRESTER
MUFFLER
OUTLET TUBE