Lawn-Boy SilverPro Series Operator's Manual
Lawn-Boy SilverPro Series Operator's Manual

Lawn-Boy SilverPro Series Operator's Manual

Walk-behind power mower
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SilverPro Series
Walk-behind Power Mower
Model No. 10247 – 9900001 & Up
Model No. 10252 – 9900001 & Up
Model No. 10323 – 9900001 & Up
Model No. 10324 – 9900001 & Up
Operator's Manual
Para obtener una versión gratis de este manual en español, escriba a la dirección
indicada más abajo. Asegúrese de indicar el modelo y el número de serie de su producto.
Pour obtenir gratuitement une version en français de ce manuel, écrivez à l'adresse
ci–dessous. N'oubliez pas d'indiquer les numéros de modèle et de série de votre produit.
Lawn-Boy Inc., Attn.: Parts Dept., 8111 Lyndale Ave S, Bloomington, MN 55420–1196.
FORM NO. 3321–749 Rev B
English (EN)

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Questions and answers

Gregg
June 1, 2025

what is the blade number for this model 10324?

1 comments:
Mr. Anderson
June 1, 2025

The blade number for Lawn-Boy model 10324 is 612543-03.

This answer is automatically generated

Phil
March 27, 2025

What is the appropriate spark plug for this mower?

User image 67e5e54ec01a3
1 comments:
Mr. Anderson
March 27, 2025

The appropriate spark plugs for the Lawn-Boy SilverPro Series mower are Champion RCJ8Y and NGK BPMR4A or BPMR6A.

This answer is automatically generated

Summary of Contents for Lawn-Boy SilverPro Series

  • Page 1 Pour obtenir gratuitement une version en français de ce manuel, écrivez à l’adresse ci–dessous. N’oubliez pas d’indiquer les numéros de modèle et de série de votre produit. Lawn-Boy Inc., Attn.: Parts Dept., 8111 Lyndale Ave S, Bloomington, MN 55420–1196. English (EN)
  • Page 2: Table Of Contents

    Mixing Gasoline and Oil ....All of us at Lawn-Boy want you to be completely satisfied Operation ........
  • Page 3: Safety

    The Lawn-Boy warning system in this manual identifies potential hazards and has special safety messages that help you and others avoid personal injury, even death. DANGER, WARNING and CAUTION are signal words POTENTIAL HAZARD used to identify the level of hazard. However, regardless Engine exhaust contains carbon monoxide, of the hazard, be extremely careful.
  • Page 4: Safety And Instruction Decals

    feet away from the mower housing and cutter blade Before the mower is cleaned, inspected, serviced, or when the engine is running. Stay behind the handle adjusted, stop the engine and disconnect the wire from until the engine stops. the spark plug. Keep the wire away from the plug to prevent accidental starting.
  • Page 5: Assembly

    Lawn-Boy Generation II, 2-Cycle Ashless Oil or an NMMA TCW III certified oil was not 1. Low setting 3. Cable anchor – self-propelled model used, the failure may not be covered by the Lawn-Boy 2. High setting warranty.
  • Page 6: Mixing Gasoline And Oil

    Mixing Gasoline and Oil For simplicity and best engine performance, mix 8 ounces (250 ml) of Lawn-Boy Generation II, 2-Cycle Ashless Oil with two gallons (8 liters) of fresh, unleaded regular gasoline. Pour one gallon (4 liters) of gasoline into an...
  • Page 7: Operation

    Note: Lawn-Boy recommends that Lawn-Boy 2+4 Fuel Note: To restart a warm engine, press the primer only Conditioner (Fig. 6) be used during operation and storage. once. Lawn-Boy 2+4 Fuel Conditioner cleans the engine and prevents gum-like varnish deposits from forming during storage. m–3833 Figure 9 1.
  • Page 8: Self-Propel Drive

    2-1/2”, 3” and 3-1/2 inches (25, 38, 51, 64, 74 and wire, and examine the mower for damage. 86 mm). Maintain a sharp blade throughout the cutting season. Periodically file down nicks on blade. Replace the blade when necessary with an original Lawn-Boy replacement blade.
  • Page 9: Maintenance

    However, to obtain no charge repairs under the terms and provisions of the Lawn-Boy warranty statement, any service or emission control part repair or replacement must be performed by an Authorized Lawn-Boy Service Dealer.
  • Page 10: Recommended Maintenance Schedule

    Check stopping time before each use. Blade must stop within 3 seconds of releasing bail; if not see Blade Brake your Authorized Lawn-Boy Service Dealer for repair. Clean built-up grass clippings and dirt after each Housing use.
  • Page 11: Maintaining The Spark Plug

    1. Disconnect the spark plug wire (Fig. 7). 2. Remove the spark plug and clean it with a wire brush, removing carbon build-up. Î Î Î Î IMPORTANT: Do not sand-blast the spark plug. Î Î Î Î 3. Check the condition of the plug for cracks and Î...
  • Page 12: Maintaining The Blade

    If, after blade replacement, the measurements are still not within 1/8 inch (3.2 mm), the crankshaft should be checked for 1036 straightness by your Authorized Lawn-Boy Service Figure 20 Dealer. Note: When the mower is tipped on its side, rotate the Inspecting the Blade blade as little as possible to avoid starting problems.
  • Page 13: Sharpening The Blade

    C. If there are no signs of wear of dullness, return the 3. Examine the mulch fan for worn or bent blades. mower to the upright position and replace the spark Replace it if necessary. plug wire (Fig. 7). 4. Examine the blade driver for bent or sheared drive lugs.
  • Page 14: Lubricating The Self-Propel Drive

    Adjusting the Self-propel Cable 2. If either end of the blade rotates downward, file that end (not the cutting edge or the end near the cutting edge). The blade is properly balanced when neither Self–propelled Models Only end drops. Whenever the handle height is changed, a new self–propel cable is installed, or the traction drive belt slips, Installing the Blade adjustment is required.
  • Page 15: Exhaust Ports

    2. Unhook the cable spring from the drive bracket 3. Tip the mower on its right side. (Fig. 31). WARNING POTENTIAL HAZARD Gasoline is extremely flammable, highly explosive and under certain conditions can cause personal injury or property damage. WHAT CAN HAPPEN Tipping the mower may cause fuel leakage from the carburetor or fuel tank.
  • Page 16: Troubleshooting

    (Fig. 33). Troubleshooting Your mower was designed and built for trouble-free operation. Check the following components and items carefully. If a problem continues, see your Authorized Lawn-Boy Service Dealer. PROBLEM CORRECTIVE ACTION Engine will not start 1.
  • Page 17: Accessories

    2. Clean debris from under the belt cover Accessories Accessories may have been shipped with your mower or are available from your Authorized Lawn-Boy Dealer. For proper installation, follow these instructions. Installing a Rear Grass Catcher 1. Stop the engine and disconnect the spark plug wire (Fig.
  • Page 18 Note: The baffle must go behind the front deck baffle and between the blade and toe guard to prevent contact with the blade (Fig. 39). 1073 Figure 36 1. Chute baffle 3. Toe guard 2. Deck baffle Note: The chute baffle must go behind the front deck baffle and between the blade and toe guard to prevent contact with the blade.
  • Page 19: Installing The Cover Plate

    Installing the Cover Plate 13. Close the rear of the bag by folding the sides in and pressing the interlocking rear handle halves together (Fig. 41). To convert from mulching operation to side discharge the mulch plate must be removed and a cover plate installed. WARNING POTENTIAL HAZARD An uncovered discharge opening will allow...
  • Page 20: Storage

    (Fig. 6). If possible, the last fuel 1. Mulch plate 3. Wing screw fill of the year should be treated with Lawn-Boy 2 + 4 2. Shoulder bolts Fuel Conditioner. Plan ahead and try to run the fuel tank empty when 9.
  • Page 21: Engine

    Engine Removing From Storage 1. Remove the spark plug. 1. Unfold the handle. Refer to the handle assembly instructions in the Assembly section 2. Using an oil can, squirt about one tablespoon of oil through the spark plug hole (Fig. 45). 2.
  • Page 22: Warranty

    Customers who have purchased Lawn-Boy Products exported from the United States or Canada should contact their Lawn-Boy Distributor (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor’s service or have difficulty obtaining guarantee information, contact the Lawn-Boy im-...
  • Page 23 The manufacturer is not liable to cover failures of warranted parts caused by the use of add–on or modified parts. Lawn-Boy is liable for damages to other engine components caused by the failure of a warranted part still under warranty.
  • Page 24 How to Get Warranty Service: Should you feel your Lawn-Boy Product requires warranty service, contact the dealer who sold you the product or any Authorized Lawn-Boy Service Dealer or Lawn-Boy Master Service Dealer. The Yellow Pages of your telephone directory is a good reference source.

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