Bad Boy 7800670 Operator's Manual
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Bad Boy 7800670 Operator's Manual

Bad Boy 7800670 Operator's Manual

21-inch variable speed swivel wheel walk behind mower
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Operator's Manual
21" VARIABLE SPEED
SWIVEL WHEEL
WALK BEHIND
MOWER
Model No. Description
7800670
BBRS219BS
Manual No. 7104042 (Rev. '-', 12/8/2009)

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Summary of Contents for Bad Boy 7800670

  • Page 1 Operator's Manual 21” VARIABLE SPEED SWIVEL WHEEL WALK BEHIND MOWER Model No. Description 7800670 BBRS219BS Manual No. 7104042 (Rev. ‘-’, 12/8/2009)
  • Page 2 Thank You for purchasing this quality-built Bad Boy mower. We’re pleased that you placed your confidence in the Bad Boy brand. When operated and maintained according to the instructions in this manual, your Bad Boy mower will provide many years of dependable service.

  • Page 3: Table Of Contents

    Table of Contents Operator Safety ..........4 Important Operator Safety Instructions .

  • Page 4: Operator Safety

    Important Operator Safety Instructions WARNING: This powerful cutting machine is capable of amputating hands and feet and can throw objects that can cause injury and damage! Failure to comply with the following SAFETY instructions could result in serious injury or death to the operator or other persons. The owner of the machine must understand these instructions and must allow only persons who understand these instructions to operate machine.
  • Page 5 Important Operator Safety Instructions (Continued) Safe Handling of Gasoline Operation (Continued From Previous Page) (Continued From Previous Column) 8. DO NOT start gas powered equipment in enclosed vehicles 17. DO NOT operate engine in enclosed areas. Engine exhaust or trailers. gases contain carbon monoxide, a deadly poison.

  • Page 6: Features And Controls

    Features and Controls IMPORTANT The figures and illustrations in this manual are provided for reference only and may differ from your specific model. Contact your dealer if you have questions. Features and Controls Oil Fill Cap and Dipstick Swivel Wheel Lock Knob (2) Fuel Filler Cap Blade Control Recycling Cover...

  • Page 7: Operation

    Operation Pre-Start Check List Starting and Operation Make the following checks and perform the service required Engine and Blade before each start-up. 1. Pull the blade control (A, Figure 3) against the handle. 1. Check the guards, deflectors, grass bag, adapter, and 2.

  • Page 8: Propelling Mower

    Operation (Continued) Starting and Operation (Continued) Propelling the Mower 1. Start the engine. Refer to the Section entitled “Starting and Operation – Engine and Blade”. 2. Begin squeezing the wheel drive control (A, Figure 4) back toward the handle to engage the wheel drive and propel the mower forward.

  • Page 9: Cutting Height Adjustment

    Operation (Continued) Recycling Operation WARNING Note: For best recycling results, cut up to a maximum of 1/3 DO NOT attempt any maintenance, adjustments or service of grass blade length and recycle ONLY when grass is dry. with engine and blade running. STOP engine and blade. 1.

  • Page 10: Installing The Discharge Deflector

    Operation (Continued) 3. Install the internal/external tooth lock washers and knob WARNING nuts onto the studs and tighten securely. DO NOT attempt any maintenance, adjustments or service 4. Route the recoil rope around the outside of the rope guide pulley (E). with engine and blade running.

  • Page 11: Maintenance

    Maintenance Introduction Check Mower Blade 1. Disconnect the spark plug wire and secure the end away To retain the quality of the mower, use genuine replacement from the plug. parts only. Contact a local dealer for parts and service 2. Tilt the mower up on its rear wheels for access to the assistance.

  • Page 12: Wheel Drive Components

    Maintenance (Continued) WARNING 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. Wear heavy leather gloves when handling or working around cutting blades.

  • Page 13: Mower Blade Replacement

    Maintenance (Continued) 3. Remove the blade (B, Figure 16). WARNING DO NOT attempt any maintenance, adjustments or service Make sure that with engine and blade running. STOP engine and blade. blade hub is seated Disconnect spark plug wire and secure away from spark between flanges plug.

  • Page 14: Wheel Drive Control Adjustment

    Maintenance (Continued) 3. Fully engage the lever, and measure the length of the WARNING extended spring. The overall spring length should DO NOT attempt any maintenance, adjustments or service increase by 0.020 – 0.025”. with engine and blade running. STOP engine and blade. 4.

  • Page 15: Belt Service

    Maintenance (Continued) Engine Drive Belt Replacement WARNING 1. Empty the fuel tank. DO NOT attempt any maintenance, adjustments or service 2. Remove the blade. Refer to the Section entitled “Blade with engine and blade running. STOP engine and blade. Sharpening”. Disconnect spark plug wire and secure away from spark 3.

  • Page 16: Rear Cover Removal & Installation

    Maintenance (Continued) WARNING 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. Rear Cover Removal and Installation To Remove the Rear Cover 1.

  • Page 17: Troubleshooting

    Troubleshooting PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Engine Will Not Start 1. Fuel tank empty. 1. Fill fuel tank with fresh fuel. Using Recoil Starter 2. Engine needs priming. 2. Prime. Check Engine Manual for Instructions. 3. Spark plug wire disconnected. 3.

  • Page 18: Warranty

    Warranty BRIGGS & STRATTON POWER PRODUCTS GROUP, L.L.C. OWNER WARRANTY POLICY LIMITED WARRANTY Briggs & Stratton Power Products Group, LLC will repair and/or replace, free of charge, any part(s) of the equipment that is defective in material or workmanship or both. Briggs & Stratton Corporation will repair and/or replace, free of charge, any part(s) of the Briggs and Stratton engine* (if equipped) that is defective in material or workmanship or both.
  • Page 19 Slope Guide...
  • Page 20 21” VARIABLE SPEED SWIVEL WHEEL WALK BEHIND MOWER Product Specifications Common Service Parts Part Number Deck Size (in) Blade Control Cable 7100641YP Height of Cut (in) 1.25 - 4 Wheel Drive Control Cable 7104004YP Transmission Type Gear Cutter Blade (Double Wave) 7100242AYP Ground Speed (mph) 0 - 4...

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