MAINTENANCE

GENERATOR

MAINTENANCE

The generator warranty does not cover items that have been subjected to operator abuse or neglect.To receive full value from the warranty, the operator must maintain the engine as instructed in the engine operator’s manual.

IMPORTANT: Before performing any maintenance on the generator, be sure you follow all steps in “Servicing the Generator” on page 19.

Generator maintenance consists of keeping the unit clean. Operate the unit in an environment where it will not be exposed to excessive dust, dirt, moisture or any corrosive vapors. Cooling air louvers on the enclosure must not become clogged with snow, leaves, or any other foreign material.

Check the cleanliness of the unit frequently and clean when dust, dirt, oil, moisture or other foreign substances are visible on its exterior/interior surface.

NOTE: DO NOT use direct spray from a garden hose to clean generator.Water can enter the engine and generator and cause problems.

Changing Engine Oil and Filter

Remove the two screws from each plastic access cover and remove both access covers from the two sides of the generator enclosure.

Changing Oil

1.Place oil drain tube into approved container.

2.Push in and rotate oil drain fitting 1/4 turn counterclockwise. Slowly pull outward until oil starts draining (Figure 11). DO NOT pull oil drain fitting off engine.

Figure 11 — Oil Drain Fitting

4.Slide oil drain tube up into clamp on generator.

Changing Oil Filter

1.Place oil drain tray over tubing and slide it under oil filter (Figure 12).

Figure 12 — Changing Oil Filter with Oil Drain Tray

oil drain tray

2.Follow instructions given in engine operator’s manual for changing oil filter.

3.Remove oil drain tray from under oil filter and clean up any spilled oil.

CAUTION

Avoid prolonged or repeated skin contact with used motor oil.

•Used motor oil has been shown to cause skin cancer in certain laboratory animals.

•Thoroughly wash exposed areas with soap and water.

KEEP OUT OF REACH OF CHILDREN. DON'T POLLUTE. CONSERVE RESOURCES. RETURN USED OIL TO COLLECTION CENTERS.

To fill your engine with oil:

•Follow synthetic oil grade recommendation given in “Engine Oil” on page 16 and oil fill instructions given in engine operator’s manual.

3.When oil has drained, push oil drain fitting in and rotate 1/4 turn clockwise until it locks in place.

CAUTION

Any attempt to crank or start the engine before it has been properly filled with the recommended oil will result in equipment failure.

•Refer to engine manual for oil fill information.

•Damage to equipment resulting from failure to follow this instruction will void warranty.

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Briggs & Stratton 40221 manual Generator Maintenance, Changing Engine Oil and Filter, Changing Oil Filter
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40221 specifications

The Briggs & Stratton 40221 is a prominent model of portable generator that is well-regarded for its reliability, performance, and innovative features. Designed for both home and professional use, this generator stands out due to its robust construction and versatile applications, making it an excellent choice for homeowners, contractors, and outdoor enthusiasts alike.

One of the main features of the Briggs & Stratton 40221 is its powerful 305cc engine, which delivers a notable output of 3,250 running watts and a peak wattage of 3,750 watts. This capacity ensures that it can effectively power essential appliances during outages or provide energy for tools and equipment on job sites. The generator’s ability to handle a variety of loads makes it suitable for a range of applications, from powering refrigerators and lights to operating power tools.

The Briggs & Stratton 40221 utilizes advanced inverter technology, which is designed to produce clean and stable power. This technology allows users to safely run sensitive electronics such as laptops and smartphones without the risk of damage. The inverter system also provides excellent fuel efficiency, meaning users can run the generator longer on a single tank of gas, enhancing convenience and cost-effectiveness.

Another key characteristic of the 40221 is its lightweight and portable design. Equipped with convenient folding handles and solid rubber wheels, it can be easily transported to job sites, campsites, or stored away during periods of non-use. The generator’s compact frame doesn’t compromise its durability; it is built to withstand outdoor conditions, thanks to its reinforced structure and weather-resistant design.

Safety features are a fundamental aspect of the Briggs & Stratton 40221. It comes with an Automatic Voltage Regulation (AVR) system that helps maintain consistent power output while protecting connected devices from voltage spikes. Additionally, it includes built-in circuit breakers to prevent overload and a low-oil shutdown feature, which stops the engine to avoid damage when oil levels get too low.

The Briggs & Stratton 40221 is equipped with multiple outlets, including 120V AC outlets and a 12V DC outlet for straightforward connectivity to various devices. With user-friendly controls and a clear display for monitoring fuel levels and runtime, this generator is designed for ease of use, appealing to both seasoned and novice users.

In summary, the Briggs & Stratton 40221 combines power, efficiency, portability, and durability into a single unit, making it a practical choice for anyone needing reliable backup power or on-the-go energy solutions. Whether for emergencies or everyday use, it delivers dependable performance that stands the test of time.
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