Not for
Reproduction
28

Mixer / Throttle Control Device Maintenance and

Inspection

NOTICE The mixer and throttle body components have been
specifically designed and calibrated to meet the fuel system
requirements of the engine.
NOTICE A dirty air cleaner may significantly alter the mixer
performance.
When inspecting the mixer and throttle body, check for the
following items:
Leaks at all fittings.
Ensure the mixer and throttle body are securely
mounted.
Inspect air cleaner element according to the
recommended maintenance schedule found in this
section.
Check fuel lines for cracking, splitting, or chaffing,
Replace if any of these conditions exist.
Check for leaks at the throttle body and intake
manifold.

Exhaust System Maintenance and Inspection

When inspecting the exhaust system, check for the following
items:
Inspect exhaust manifold at the cylinder head for leaks
and that all retaining bolts and shields (if used) are in
place.
Inspect manifold to exhaust pipe fasteners to ensure
they are tight and that there are not exhaust leaks.
Repair as necessary.
Inspect oxygen sensor trical connector to ensure
connector is seated and locker, check wires to ensure
there is no cracking, splitting, chaffing, or burning.
Replace as necessary.
Inspect exhaust pipe connection for leaks. Repair as
necessary.

Engine Exterior

Periodically inspect the engine exterior for contamination
and potential damage from dirt, leaves, rodents, spider webs,
insects, etc. and remove.
The generator is designed for long term service as a backup
generator. There is no need to take any storage precautions.
However, if it becomes necessary to take the system out of
service for an extended period, call Technical Services at
888 575‑8226, between 8:00 AM and 5:00 PM CT for specific
recommendations.

Storage

You must have the following information at hand if it is
necessary to contact a local service center regarding
service or repair of this unit:

When Calling for Assistance

1. Obtain the unit Model Number and Serial Number
from the unit ID label. See Controls for location of
the label or refer to the information recorded on the
inside front cover of the installation manual.
2. Obtain the engine identification numbers from the
engine label. See the Controls section for location of
this information.