Briggs & Stratton NSPVH21675 specifications Wheel Drive Control Adjustment, Wheel drive controls

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Maintenance

!

WARNING

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DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.

Wheel Drive Control Adjustment

The drive handle (A, Figure 18) should engage the transmission when the handle is pushed forward, and should disengage the transmission when the handle is pulled fully back.

A

Figure 18: Wheel drive controls

If the transmission does not engage or disengage, adjustment may be performed as follows:

1.Remove the rear cover from the mower. Refer to the section entitled “Rear Cover Removal & Installation”.

2.With the drive lever pulled fully back in the ‘DISENGAGE’ position, the spring (A, Figure 19) on the end of the wheel drive control cable should have no tension. Measure the overall length of the unextended spring (B).

A

B

Figure 19: Measuring the disengaged transmission spring length

3.Push the drive lever fully forward, and measure the length of the extended spring. The overall spring length should increase by 0.020 – 0.025”.

4.To adjust spring extension:

a.Disengage the handle.

b.To increase (+) the extended spring length, rotate the thumb wheel (A, Figure 20) upwards (counter- clockwise, from operator’s perspective).

c.To decrease (-) the extended spring length, rotate the thumb wheel downwards (clockwise).

5.Push the drive handle fully forward and recheck the extended spring length. Repeat Step 4 as needed.

+

A-

Figure 20: Adjusting the transmission spring tension

IMPORTANT: INCORRECT ADJUSTMENT CAN CAUSE PREMATURE WEAR AND/OR DAMAGE TO THE WHEEL DRIVE COMPONENTS.

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Contents Variable Speed Rear Discharge Walk Behind Mowers Engine Product RegistrationDate of Purchase Retailer Retailers Phone Number Equipment Table of Contents Preparation Protection for ChildrenSlope Operation From Previous ColumnMaintenance and Storage OperationFeatures and Controls Engine and Blade Pre-Start Check ListStarting and Operation Propelling the Mower Handle Height AdjustmentStopping Recycling Operation Cutting Height AdjustmentInstalling the Discharge Deflector Installing the Grass Bag Removing the Recycling PlugService Periodic Maintenance IntroductionService After First 5 Hours Storage Procedure Wheel Drive ComponentsBlade Sharpening Mower Blade ReplacementStandard Blade Wear Limit Wheel Drive Control Adjustment Wheel drive controlsBelt Service Engine Drive Belt ReplacementTo Remove the Rear Cover Rear Cover Removal and InstallationTo Install the Rear Cover Service Schedule SeasonTroubleshooting Probable Cause Corrective ActionYear Limited Warranty Disclaimer of WarrantyPage Slope Guide Page Page Product Specifications All Common Service Parts Part Number

SPVH21675, NSPVH21675 specifications

Briggs & Stratton NSPVH21675 and SPVH21675 are advanced vertical shaft engines designed to deliver reliable power for various outdoor equipment. Known for their durability and performance, these engines are ideal for lawn mowers, pressure washers, and other gardening tools, making them a popular choice among both residential and commercial users.

One of the standout features of the NSPVH21675 and SPVH21675 is their robust construction, which includes a cast-iron cylinder sleeve that enhances strength and prolongs engine life. This ensures that these engines can withstand the rigors of tough outdoor tasks while maintaining optimal performance. The design is further complemented by an aluminum crankcase that contributes to reduced weight without sacrificing durability.

Another key aspect of these engines is the innovative Direct Inject Technology. This advanced fuel management system allows for improved fuel efficiency by optimizing the air-fuel mixture delivered to the combustion chamber. As a result, users can expect enhanced power output while consuming less fuel, making these engines an eco-friendlier option.

The NSPVH21675 and SPVH21675 also feature a unique intake and exhaust system that maximizes airflow. This design not only enhances engine performance but also contributes to quieter operation. Operators will appreciate the reduced noise levels, making their time spent working outdoors more pleasant.

In terms of maintenance, Briggs & Stratton has engineered these models with user-friendly accessibility in mind. Routine checks and maintenance tasks are straightforward, allowing operators to spend more time on their projects rather than on upkeep. The engines are also equipped with an oil alert system, which helps prevent issues related to low oil levels, promoting longevity and reliability.

Both engines are designed with versatility in mind, able to power a range of equipment with different requirements. This adaptability is further exemplified by their electric start option, which simplifies the starting process and is particularly beneficial for larger machines that may require more effort to start.

Overall, the Briggs & Stratton NSPVH21675 and SPVH21675 engines represent a blend of power, efficiency, and ease of use. With their innovative technologies, robust construction, and user-friendly designs, they are a top choice for anyone in need of reliable outdoor power equipment solutions. Whether for personal use or professional landscaping, these engines provide the performance and durability to get the job done efficiently and effectively.
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