Operator’s Manual 21” STEEL DECK WALK MOWERS SERIES 20 Description 7800596 7800597 7800600 7800601 7800602 217020B P217020B N217020B NP217020B RP217020 R N ep o ro t fo du r ct io n Model No. NOTE: Specifications are correct at time of printing and are subject to change without notice. * Actual sustained engine power will likely be lower due to operating limitations and environmental factors. Please refer to ‘Engine Power Rating Information’ for further details. Manual No. 7103934 (Rev.
Thank You for purchasing this quality-built Snapper product. We’re pleased that you placed your confidence in the Snapper brand. When operated and maintained according to the instructions in this manual, your Snapper product will provide many years of dependable service. This manual contains safety information to make you aware of the hazards and risks associated with the machine and how to avoid them.
Operator Safety Table of Contents Operator Safety..................................................................................................................4 Important Operator Safety Instructions......................................................................4 Features and Controls........................................................................................................6 Features and Controls Operation............................................................................
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.
! Important Operator Safety Instructions (Continued) Operation 13. DO NOT operate mower without the entire grass catcher, or guards in place discharge guard, rear guard or other safety devices in place and working. DO NOT point discharge at people, passing cars, windows or doors. 14. DO NOT discharge material against a wall or obstruction. Material may ricochet back towards the operator. 15. Slow down before turning. 16. Watch out for traffic when near or crossing roadways. 17.
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 Snapper dealer if you have questions. Features and Controls F I H J B N ep o ro t fo du r ct io n G A R D C Features and Controls A. B. C. D. E. 6 Oil Fill Cap and Dipstick Fuel Filler Cap Recycling Cover Rear Height Adjustment Latch (2) Front Height Adjustment Latch (2) E F. G. H. I. J.
Operation Pre-Start Check List Make the following checks and perform the service required before each start-up. 1. Check the guards, deflectors, grass bag, adapter, and covers to make sure all are in place and securely tightened. 2. Check the blade control (A, Figure 1), wheel drive control (B), and ground speed control (C) to insure they work freely. Engine and Blade (Briggs Quantum Series Engines) 1. Move the engine speed control to the fast (‘Rabbit’) position.
Operation (Continued) Starting and Operation (Continued) Propelling the Mower (Self-Propelled Models Only) 1. Start the engine. Refer to the Section entitled “Starting and Operation – Engine and Blade”. 2. Move the ground speed control (A, Figure 4) to the desired speed position. 3. Squeeze the wheel drive control (B) against the handle to engage the wheel drive and propel the mower forward. Forward speed can be adjusted while the mower is moving by changing the position of the ground speed control.
Operation (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. Cutting Height Adjustment 1. Pull the height adjusting latch (A, Figure 6) outward and move to the desired cutting height.
Operation (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. C D (Optional Accessory on Some Models) 1. Remove the recycling cover. Refer to the Section entitled “Recycling Operation”. 2.
Operation (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. Installing the Grass Bag (Door Type Bag) 1. Install the grass bag adapter. Refer to the Section entitled “Installing the Grass Bag Adapter”. 2.
Maintenance Maintenance - Introduction Check Grease Level in Transmission To retain the quality of the mower, use genuine SNAPPER replacement parts only. Contact a local SNAPPER dealer for parts and service assistance. For the correct part or information for a particular mower, always mention the model and serial number. ! 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.
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. Blades are extremely sharp and can cause severe injury. Check Transmission Poly-V Belt 1.
Maintenance (Continued) ! WARNING ! A B 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. Blades are extremely sharp and can cause severe injury.
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. G A B D C E F Blade Sharpening (Continued) 4. Sharpen the blade on a grinding wheel at an angle of 22 to 28 degrees (B, Figure 20). DO NOT sharpen the blade beyond the original cutting edge (A).
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. Drive Spring Repair/Replacement If the drive spring (A, Figure 23) is loose, reconnect. If the spring is broken, replace with a new spring.
Maintenance (Continued) WARNING ! ! A 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. B Driven Disc Adjustment (Continued) 2. Remove the driven disc spring (A, Figure 25) from the driven disc assembly (B).
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. Driven Disc Replacement (Continued) 2. Using needle nose pliers, unhook the drive spring (A, Figure 28) and slide the driven disc assembly off the hex shaft. 3.
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. Replacing the Bearing On the Pulley End Of the Hex Shaft On self-propelled mowers, the engine belt (A, Figure 31) transmits power from the engine pulley (B) to the drive disc (C).
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. A B C Engine Drive Belt Replacement (Stretch Type Belts - Continued) D E F G N ep o ro t fo du r ct io n 3. Remove the driven disc.
Service Schedule ITEM SERVICE PERFORMED REF.
Troubleshooting PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Engine Will Not Start Using 1. Fuel tank empty. Recoil Starter 2. Spark plug wire disconnected. 1. Fill fuel tank with fresh fuel. 2. Place spark plug wire onto spark plug. Engine Stalls or Stops After 1. Blade control is released or is not being held Running securely against handle. 2. Fuel tank empty. 3. Engine air pre-cleaner and or air cleaner dirty. 4. Spark plug defective or gap set improperly. 1.
2 YEAR LIMITED WARRANTY For two (2) years from purchase date for the original purchaser’s residential, non-commercial use, SNAPPER, through any authorized SNAPPER dealer will replace, free of charge (except for taxes where applicable), any part or parts found upon examination by the factory at McDonough, Georgia, to be defective in material or workmanship or both.
R N ep o ro t fo du r ct io n Notes 24 www.snapper.
N ep o ro t fo du r ct io n R
R N ep o ro t fo du r ct io n Notes 26 www.snapper.
N ep o ro t fo du r ct io n R Notes 27
21” STEEL DECK WALK MOWERS SERIES 20 Product Specifications Deck Size 21 in 1.25 - 4 in Transmission Type (Self-Propelled Models) Ground Speed (Self-Propelled Models) Engine Power Engine Displacement Fuel Tank Capacity Part Number Cutter Blade Cutter Blade (Ninja - Quad) Drive Belt (Engine) Drive Belt (Transmission) Parts Manual 7026691 7026407 7046784 7012354 7006477 N ep o ro t fo du r ct io n Height of Cut Common Service Parts Gear 1 - 4 mph 7.0 ft-lbs (gross) 190 cc 1.
