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B&S QUANTUM REGULATOR SPRING R938112

B&S QUANTUM REGULATOR SPRING R938112

  • B&S Quantum regulator spring R938112 - solid tension spring for Briggs & Stratton Quantum engines. Stabilizes RPM, improves the mower's operating culture and reduces fuel consumption. Ideal for lawnmowers and garden machinery.
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B&S QUANTUM REGULATOR SPRING R938112 - precise control of Briggs & Stratton engine speed

B&S Quantum regulator spring

B&S Quantum regulator spring R938112 is a high-quality component responsible for stable engine operation in popular lawn mowers and other equipment equipped with Briggs & Stratton engines from the Quantum series. It is responsible for the proper voltage of the speed controller system, so that the engine maintains a constant, optimal speed under both low and high loads. Replacing a worn or stretched spring restores full machine performance, improves mowing comfort and extends engine life.

B&S Quantum regulator spring R938112 - what is this part and why is it so important?

B&S Quantum regulator spring R938112 is a component of the speed control system on Briggs & Stratton's Quantum series internal combustion engines. This is a tension spring, made of strong spring wire, whose task is to precisely transfer the force between the regulator lever and the carburetor damper. Thanks to the correctly selected spring tension, the engine automatically adjusts its speed to the current load - when the mower blade encounters higher grass, the controller increases the fuel and air ration, and when the load decreases, the speed is reduced to the nominal level.

A damaged, stretched or corroded regulator spring is a common cause of erratic engine operation, revs rippling, problems maintaining power or stalling of the unit at higher loads. The use of an original spring or a full-value replacement with identical parameters, such as R938112, can quickly and inexpensively eliminate these problems without interfering with deeper engine components.

Sprężyna regulatora B&S Quantum R938112

Installing the regulator spring in Briggs & Stratton Quantum engines - where and how to use it?

B&S Quantum regulator spring R938112 is installed in the carburetor and regulator lever assembly on Briggs & Stratton Quantum series engines. One end of it is usually attached to the throttle lever at the carburetor, the other to a suitable hole in the regulator lever or to a clip on the engine housing. The exact location depends on the specific engine model and the design of the mower, but the function always remains the same: to ensure proper tension between the regulator and the throttle.

Installing a new spring is relatively easy and usually does not require specialized tools - just disconnect the old, deformed spring and plug in the new one in its place. When replacing, it's a good idea to use the engine's service documentation or a photo taken before disassembly to keep the spring in the correct position and not confuse the mounting holes. Proper installation is key: too much voltage can cause too high a speed, while not enough can cause it to drop and become unstable.

In practice, the R938112 regulator spring is used in:

  • petrol mowers with Briggs & Stratton Quantum engines with different working widths,
  • scarifiers and aerators equipped with Briggs & Stratton units,
  • small garden and municipal machines that use this popular engine series.
Sprężyna regulatora Briggs & Stratton Quantum R938112 – widok zbliżony

Use of B&S Quantum R938112 regulator spring in the daily operation of garden machinery

A well-chosen and efficient regulator spring has a direct impact on the comfort of any lawn mower or other gardening machine. By maintaining a stable RPM, it ensures even grass cutting, reduces the risk of engine "throttling" and reduces fuel consumption. As a result, the user does not have to constantly adjust the position of the gas lever, and the mowing itself is faster, quieter and with a better end result.

Examples of typical use of the R938112 regulator spring:

  • Regular mowing of the home lawn - The spring ensures that the engine speed does not drop off in denser grass, resulting in an even cutting height.
  • Working in tougher conditions - when mowing tall or damp grass, an engine with a properly functioning regulator responds faster to the load and maintains its power output.
  • Commercial use - In gardening and municipal companies, where mowers work many hours a day, an efficient regulator spring reduces downtime and the risk of failure.

Over time, every spring is subject to natural wear and tear: it can stretch, weaken, corrode or suffer mechanical damage. It manifests itself m.in. rPM waving, engine "jerking", unresponsiveness to load changes or difficulty starting the mower. In such a case, replacing the R938112 spring with a new one is a quick and effective way to restore proper operation of the entire system.

Sprężyna regulatora B&S Quantum R938112 – element układu obrotów silnika

Key benefits of the Briggs & Stratton Quantum R938112 regulator spring

  • Stable engine speed - correct spring tension ensures that the engine runs evenly over the full load range, resulting in better mowing quality.
  • Lower fuel consumption - The lack of unnecessary "jumps" in speed means more economical operation of the drive unit.
  • Greater user comfort - The mower does not jerk, does not "hunt" for speed, and work becomes predictable and less tiring.
  • Engine protection - Maintaining proper RPMs reduces the risk of engine overheating and excessive wear and tear.
  • Low cost of repair - Replacing the spring alone is much cheaper than servicing the entire carburetor or major engine overhauls.

These advantages make the B&S Quantum R938112 regulator spring one of the key, though often underestimated, components whose condition is worth checking periodically during the seasonal inspection of a lawn mower or other garden machine.

Sprężyna regulatora Briggs & Stratton Quantum R938112 – część zamienna do kosiarek

Technical data and identification of B&S Quantum R938112 regulator spring

Correct identification of the replacement part is crucial to ensure that the spring you order will fit your specific engine model and mower. The B&S Quantum R938112 regulator spring is marked with the following data:

  • Product name: B&S Quantum regulator spring
  • Manufacturer Symbol/Code: R938112
  • EAN code: 3800193811219
  • Element type: tension spring for internal combustion engine speed controller system
  • Application: briggs & Stratton Quantum series engines in lawn mowers and other garden equipment
  • Material: spring steel resistant to deformation and corrosion (typical material for regulator springs in garden engines)

Before buying, it's a good idea to compare the part designation with the data found in the engine service manual or on the old spring. If the part number matches, the spring will be a suitable replacement and will ensure that it works properly with the rest of the speed control system components.

Sprężyna regulatora B&S Quantum R938112 – detale konstrukcyjne

Why choose B&S Quantum R938112 regulator spring for your lawn mower?

Choosing the right spare part has a direct impact on the reliability and trouble-free performance of the machine. B&S Quantum regulator spring R938112 is designed specifically for Briggs & Stratton Quantum series engines, making it a perfect match with the factory regulator and carburetor. Its parameters - length, wire diameter, tension force - are selected to ensure the proper performance characteristics of the engine.

  • Guaranteed fit - Number R938112 corresponds to the original designation used for regulator springs on Quantum engines.
  • High quality workmanship - the use of spring steel and precise winding guarantees resistance to stretching and cracking.
  • Easy installation - the spring has appropriately shaped ends (eyelet and hook), which facilitate its quick attachment to the existing mounting holes.

By investing in a proven regulator spring, you are assured that your lawn mower will work steadily for many seasons, and all garden work will be done faster and without unnecessary interruptions for repairs.

Sprężyna regulatora Briggs & Stratton Quantum R938112 – gotowa do montażu

FAQ - Frequently asked questions about B&S Quantum R938112 regulator spring

Question 1: How to recognize that the regulator spring on my lawn mower needs to be replaced?
The most common symptoms of a worn or damaged regulator spring are: rippling idle speed, lack of stable operating speed, "jerking" of the engine while mowing, loss of power in taller grass, and difficulty maintaining an even speed despite proper adjustment of the gas lever. If you notice any of these symptoms, it is a good idea to check the condition of the spring and replace it with a new one if necessary R938112.

Question 2: Is it complicated to replace the R938112 regulator spring?
On most lawnmowers, replacing the regulator spring is a simple service that you can do yourself. Simply remove the engine cover (if present), unbolt the old spring from the retainers and attach the new one in its place. It's a good idea to take a photo of the old spring's alignment beforehand to make sure that the new one will be put on exactly the same way. However, if you do not feel confident in minor repairs, you can always have the replacement done by a service center.

Question 3: Does the B&S Quantum R938112 regulator spring fit all Briggs & Stratton engines?
No, the regulator spring R938112 is designed primarily for selected models of Briggs & Stratton Quantum series engines. Before purchasing, check the engine designation (e.g., on the nameplate) and compare it with the part number. If you have doubts, you can compare the appearance and length of the old spring with the presented product or consult the seller.

Question 4: How to take care of the regulator spring to serve as long as possible?
The spring does not require complicated maintenance, but it is worth keeping the area around the carburetor and regulator lever clean. Avoid accumulation of dirt, grass and rust, which can lead to blockage of the mechanism. During the seasonal inspection, check that the spring is not stretched, deformed or severely corroded. If you notice an abnormality, it is best to replace it with a new one right away.

Question 5: Do you need to additionally adjust the carburetor after replacing the regulator spring?
In many cases, replacing a worn spring with a new R938112 restores proper engine operation without the need for additional adjustment. However, if you have previously made adjustments to the carburetor settings, it is a good idea to check the idle and operating speed after installation. If the engine continues to run unevenly, you may need to fine tune the carburetor or check other fuel system components.

Brand:
Podmiot odpowiedzialny za ten produkt na terenie UE
Mariusz StasińskiMore
ProducerOLEO-MACAddress: Via E. Fermi 4Postal code: 42011City: Bagnolo in PianoCountry: ItalyE-mail: info@emak.it
Responsible entityMariusz StasińskiAddress: Kasprowicza 24Postal code: 64-330City: OpalenicaCountry: PolandPhone number: 517428399E-mail: ewimax@wp.pl
Symbol:
R938112
Producer code:
3800193811219
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OLEO-MAC Warranty for 2 Years

WARRANTY TERMS AND CONDITIONS

For warranty terms and conditions, please refer to the instruction manual included in the device packaging. Devices covered by the extended warranty (3 and 5 years) require the execution of the mandatory warranty inspections (payable) at the times specified in the warranty terms and conditions.
The obligations of the guarantor under the guarantee are to repair the defective goods, the advertised device is not subject to replacement or cash back.
1. The manufacturer guarantees its products for a period of time:
- Oleo-Mac internal combustion mowers 60 months for consumer use and 12 months otherwise
- Oleo-Mac chainsaws, Oleo-Mac scythes, Oleo-Mac electric mowers, Oleo-Mac trimmers
TR 61 E and TR 91 E, garden tractors. EMAK K-series internal combustion engines powering mowers and
tractors 36 months for consumer use and in other cases 12 months
- Other devices for consumer use 24 months and in other cases 12 months
Additional consumer warranty on Briggs&Stratton engines after the expiration of the manufacturer's warranty period of 12 months -

The condition for maintaining the 36-month warranty period is to perform two paid inspections of the device at an authorized service center - in 12 and 24 month from the date of purchase no later than 7 days after the specified date.
As a condition for maintaining the 60-month warranty period, four paid inspections of the device must be performed at an authorized service center - at 12, 24,36 and 48 months from the date of purchase no later than 7 days after the appointed date. All inspections performed by the dealer must be recorded in the electronic
b2B guarantee settlement system. Internal combustion engines of other brands (Briggs & Stratton, HONDA, KAWASAKI, SUBARU, etc.).) and hydrostatic transmissions are covered by a separate warranty manufacturer. Details of the warranty terms and conditions are contained in separate manuals for the listed components.
2. The warranty covers all damages occurring during the warranty period resulting from the discovery of latent material defects during this period, assembly or technological.
3. The technical staff will proceed with the repair in the time allowed by organizational requirements, always as soon as possible.
4. The choice of how to remove the damage is up to the guarantor, who can remove the defect by repairing the device or replacing the damaged part. Regardless
way of removing the damage, the warranty continues, extended by the time of removal of the damage by the guarantor.
5. Warranty repair can only be carried out on the basis of the device registration in the B2B system or a valid warranty card with proof of purchase.
Failure to register the device, the warranty card or its cancellation will exclude the guarantor's liability under the warranty provided.
6. The user has the right to appeal against the decision of the service point regarding the qualification of the reported failure. The appeal must be submitted only in the form of in writing with a set of documents stating the course of repairs made and a description of the technical condition of the equipment at the time of the original inspection made by the service point.
7. The warranty period is extended by the time necessary for warranty repair. The dates posted on the claim in the b2B electronic guarantee settlement system.
8. The repair shop is required to make entries regarding the scope of warranty repairs in the B2B electronic warranty billing system.
9. For paid repairs performed, the guarantor provides a 3-month warranty on the condition that the repair is carried out in the guarantor's workshop and that the repair is used for the repair original spare parts. The basis for the claim is the proof of purchase of parts and the service performed.
10. Warranty repair is not subject to: damage caused by improper operation, damage caused by using the device for purposes for which it is not intended, damage caused by the use of improper consumables, mechanical damage, and
caused by improper transportation or storage, damage caused by lack of maintenance, components that have suffered wear and tear in service during proper operation.
11. The warranty is voided as a result of structural changes or modifications made by the user, as a result of interference found by the service point
inside the device by unauthorized persons, as a result of breaking or dismantling the carburetor adjustment locks, in the event that entries are found to have been made in the warranty card by unauthorized persons.
12. The warranty does not cover consumable items and items that wear out during the warranty period, such as:
- Consumable components, e.g.: cutting blades, discs, cutting bars, vee heads, filters, starter cables, spark plugs, bulbs, wheels, drums and clutch jaws,
clutches and friction discs, drive belts, safety bolts, cutting chains and guides, high-pressure washer lances.
- Engine components: cylinders, pistons, rings, crankshaft, bearings, pan, carburetor diaphragms.
- Other consumable parts: knife hubs, safety keyways, shock absorbers, bearings, pan, gears, overload fuses, carbon brushes, control ties and cables
- Starting batteries used in machines with an electric starter
- Components not mentioned in these warranty conditions , which obviously wear out during operation, transportation and storage (such as coating painting).
13. Warranty repair does not include installation, adjustment and maintenance activities.
14. Damage such as engine seizure, bent or cracked crankshaft, broken magnet wheel keyway or knife hub are not repairable warranty.
15. If the service center does not fulfill its obligations, the user is obliged to inform the guarantor of this fact. Refusal to comply repair by the service center must be entered in the warranty card. If the guarantor does not recognize the repair as a warranty repair, the cost of repair and transport is covered by the claimant.
16. Defective spare parts replaced under warranty repair are the property of the guarantor.
17. Complaint should be reported to the nearest authorized service center or directly to the guarantor. Reporting a complaint at the point of sale may cause an increase in repair time.
18. During the reception of the device after warranty repair, it is his duty to make sure that the received device is complete and undamaged. The repair point has the obligation to start the device before handing it over to the user after repair.
19. The service point has the right to charge a fee for performing maintenance activities that are the responsibility of the user and require them to be performed before the proceeding with the repair. The repair shop is obliged to replace, at the user's expense, all components that ensure the safety of the work, which have been damaged damage during operation regardless of the consent of the user.
20. A continuously updated list of service points can be found at www.victus.en
21. The warranty for the goods sold does not exclude, limit or suspend the buyer's rights under the warranty provisions for defects in the goods sold.
22. The cost of an unjustified complaint is paid by the complainant.
23. This warranty is valid in the territory of the Republic of Poland.
24. Any damage caused during transport should be immediately reported to the carrier under penalty of voiding the warranty.
25. The warranty does not cover possible damages caused directly or indirectly to persons or things due to defects in the device or resulting from prolonged downtime in the operation of the device.

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