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DO NOT start the unit under load. The circuit breakers must be in the OFF (O) position when starting
the unit in Manual mode. The circuit breakers can be in the ON (I) position only when started in the
Auto mode. A transfer switch must be used in the Auto mode to deflect the load upon startup.
TOWING SAFETY
Towing a trailer requires care. Both the trailer and vehicle must be in good condition and securely fastened
to each other to reduce the possibility of an accident. Some states require that large trailers be registered
and licensed. Contact your local Department of Transportation office to check on license requirements for
your particular unit.
•
Verify the hitch and coupling on the towing vehicle are rated equal to, or greater than, the trailer's
Gross Vehicle Weight Rating (GVWR).
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Check trailer tires for wear and proper inflation.
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DO NOT tow trailer using defective parts. Inspect the hitch and coupling for wear or damage.
•
Verify the trailer hitch and the coupling are compatible. Make sure the coupling is securely fastened
to the vehicle.
•
Verify directional and brake lights on the trailer are connected and working properly.
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Verify wheel lug nuts are present and tightened to the specified torque.
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Maximum recommended speed for highway towing is 45 mph (72 km/h). Recommended off-road
towing speed is 10 mph (16 km/h).
•
When towing, maintain extra space between vehicles and avoid soft shoulders, curbs and sudden
lane changes. Practice turning, stopping and backing up in an area away from heavy traffic prior to
transporting the unit.
•
Wipe the coupler clean and apply fresh grease each time the trailer is towed to eliminate squeaking.
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Connect safety chains in a crossing pattern under the tongue and ATTACH THE BREAKAWAY
CABLE TO THE REAR BUMPER OF THE TOWING VEHICLE. Do not attach the cable to the trailer
hitch.
•
Before towing the trailer, verify that the weight of the trailer is equal across all tires. On trailers with
adjustable height hitches, adjust the angle of the trailer tongue to keep the trailer as level as possible.
On units equipped with a tandem axle trailer, a large angle between the trailer and tow vehicle will
cause more weight to be carried by one axle, which could cause premature wear on the tires and
axles and cause potentially unsafe operating conditions.
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The trailer is equipped with hydraulic or electric surge brakes. Verify proper operation of the brakes
by braking the vehicle at a slow speed before entering traffic. Both the trailer and the vehicle should
brake smoothly. If the trailer seems to be pushing, verify the level in the brake fluid reservoir, if equipped.
REPORTING TRAILER SAFETY DEFECTS
If you believe your trailer has a defect which could cause a crash or could cause injury or death, you should immediately
inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Generac Mobile Products
LLC.
If NHTSA receives similar complaints, it may open an investigation; and if it finds that a safety defect exists in a group
of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in an individual
problem between you, your dealer, or Generac Mobile Products LLC.
To contact NHTSA, you may either call the Auto Safety Hotline toll-free at 1-888-327-4236 (TTY:1-800-424-9153),
go to http://www.safercar.gov; or write to:
Administrator
NHTSA
1200 New Jersey Avenue S.E.
Washington, DC 20590
33722 D
MMG130DI4/175DI4/205DI4 Operating Manual
Safety
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