MAINTENANCE

Battery

Your mower is equipped with a maintenance free battery that does not need servicing. However, periodic charging of the battery with an automotive type battery charger will extend its life.

Keep battery and terminals clean.

Keep battery bolts tight.

See chart for charging times.

Cleaning battery and terminals

Corrosion and dirt on the battery and terminals can cause the battery to lose power.

1.Open the terminal access doors.

2.Disconnect BLACK battery cable first, then the RED battery cable and remove the battery from the machine.

3.Rinse the battery with plain water and dry.

4.Clean terminals and battery cable ends with wire brush until shiny.

5.Coat terminals with grease or petroleum jelly

6.Reinstall battery.

IMPORTANT INFORMATION

Do not attempt to open or remove caps or covers. Adding or checking level of electrolyte is not necessary.

Always use two wrenches for the terminal screws.

Replacing battery

1.Lift seat and rotate forward.

2.Open terminal access doors

3.Using two ½" wrenches disconnect BLACK battery cable then RED battery cable.

4.Using a 7/16" wrench, remove the bolts on either side of the terminal guard and lift off guard.

5.Carefully remove the battery from the mower.

6.Install new battery with terminals in the same position as the old battery.

7.Reinstall battery terminal guard.

8.First connect RED battery cable to positive (+) battery terminal with hex bolt and hex nut.

9.Connect BLACK grounding cable to negative (-) battery terminal with remaining hex bolt and hex nut.

10.Close access doors.

11.Lower seat.

CAUTION!

Always use protective glasses when handling the battery.

STANDARD

STATE

APPROXIMATE BATTERY CHARGING TIME*

 

 

TO FULL CHARGE AT 80OF / 27OC

BATTERY

OF

 

 

 

 

 

Maximum Rate at:

 

 

 

 

 

 

CHARGE

 

 

 

 

 

50 Amps

30 Amps

20 Amps

10 Amps

 

 

 

 

 

 

 

 

12.6V

100%

- FULL CHARGE -

 

 

 

 

 

 

12.4V

75%

20 min.

35 min.

48 min.

90 min.

 

 

 

 

 

 

12.2V

50%

45 min.

75 min.

95 min.

180 min.

 

 

 

 

 

 

12.0V

25%

65 min.

115 min.

145 min.

280 min.

 

 

 

 

 

 

11.8V

0%

85 min.

150 min.

195 min.

370 min.

 

 

 

 

 

 

*Charging time depends on battery capacity,

condition, age, temperature and efficiency of charger

WARNING!

Do not short battery terminals by allowing a wrench or any other object to contact both terminals at the same time. Before connecting battery, remove metal bracelets, wristwatch bands, rings, etc.

Positive terminal must be connected first to prevent sparks from accidental grounding.

2

1

2

8066-049

1.Terminal guard

2.Access doors

Battery cleaning and installation

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Husqvarna RZ4221 BF / 967176101 warranty Battery, Cleaning battery and terminals

RZ4221 BF / 967176101 specifications

The Husqvarna RZ4221 BF, model number 967176101, epitomizes innovation and performance in the realm of residential lawn care. This robust zero-turn mower is designed for homeowners seeking efficiency, speed, and precision in managing their outdoor spaces.

One of the standout features of the RZ4221 BF is its powerful Briggs & Stratton engine, which provides a reliable 21 horsepower. This engine ensures optimal performance, allowing users to navigate various terrains with ease. The mower’s cutting deck spans 42 inches, allowing for a wide cutting swath that significantly reduces mowing time compared to traditional mowers. Moreover, the cutting deck is constructed from high-quality steel, ensuring durability and longevity.

The zero-turn technology in the RZ4221 BF offers exceptional maneuverability, allowing for sharp turns and easy navigation around obstacles such as trees, flower beds, and garden furniture. This feature is particularly beneficial for homeowners with intricate landscapes, as it enables precise trimming without damaging surrounding greenery.

Another highlight of this mower is its adjustable cutting height, which ranges from 1.5 to 4 inches. Users can easily customize the grass length to their preference, promoting a healthy lawn while adapting to seasonal changes. The ergonomic seat design enhances user comfort during extended mowing sessions, while the simplified dashboard provides intuitive controls for ease of operation.

The Husqvarna RZ4221 BF is also equipped with sturdy rear wheels, ensuring stability and traction on uneven terrain. This stability is accompanied by a robust frame, which contributes to the mower's durability and enhances overall performance.

In terms of maintenance, the RZ4221 BF is designed with user convenience in mind. The mower features an easy-access oil drain and integrated washing ports for hassle-free deck cleaning. Furthermore, the hydrostatic transmission system allows for smooth speed adjustments without the need for constant gear shifting, providing a smoother mowing experience.

In conclusion, the Husqvarna RZ4221 BF (967176101) combines powerful performance, innovative features, and user-friendly design, making it an excellent choice for homeowners looking to maintain their lawns effortlessly. Its robust construction, versatile cutting options, and advanced maneuverability make it a standout in the market. Whether you're tackling a small yard or a sprawling landscape, the RZ4221 BF is engineered to meet your mowing needs with efficiency and ease.