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Safety Instructions & Operator's Manual for
21” STEEL DECK
WALK MOWERS
COMMERCIAL MODELS
SERIES 20
Models
CP215520HV (7800372)
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. 7102388 (I.R. 2/25/2008)
TP 100-5363-IR-CW-N
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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. This machine is designed and intended only for finish cutting of established lawns and is not
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Operator Safety Features and Controls Operation Maintenance Troubleshooting Warranties Table of Contents Operator Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Important Operator Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Features and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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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. Each person operating the machine must be of soun
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Operator Safety Important Operator Safety Instructions (Continued) ! ! Safe Handling of Gasoline Operation (Continued From Previous Page) (Continued From Previous Column) 6. DO NOT fill fuel containers inside a vehicle or on a truck 13. DO NOT operate mower without the entire grass catch- or trailer bed with a plastic liner. Always place the contain- er, or guards in place discharge guard, rear guard or other ers on the ground away from the vehicle before filling. safety devices in place and wor
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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. F H I J G K B A D C E Features and Controls A. Oil Fill Cap and Dipstick F. Blade Control B. Fuel Filler Cap G. Rope Start Handle C. Grass Bag Adapter H. Ground Speed Control D. Rear Height Adjustment Latch (2) I. Drive Wheel Control E. Front Height Adjustment Latch (2) J. Engine Speed Control K.
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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. Make sure the fuel valve (A, Figure 3) on the engine is 1. Check the guards, deflectors, grass bag, adapter, and open. covers to make sure all are in place and securely tightened. A 2. Check the blade control (A, Figure 1), wheel drive control (B), and ground speed control (C) to insure they work freely. A C B Figure 3: Fuel shut-off
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Operation (Continued) Starting and Operation (Continued) Stopping 5. After the engine starts, turn off choke and allow a brief 1. Stop forward motion of the mower by releasing the warm-up until the engine runs smooth before beginning wheel drive control. mower operation. 2. Stop the engine and blade by releasing the blade control. NOTE: To stop the engine (and blade), release the blade control. Handle Height Adjustment The height of the mower handle can be adjusted as follows: A 1. Loosen the lo
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Operation 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. Set all wheels in the highest cutting position (Notch 7). Disconnect spark plug wire and secure away from spark Refer to the Section entitled “Cutting Height plug. Engine and components are HOT. Avoid seri
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Operation (Continued) Installing the Grass Bag Adapter WARNING ! ! (Optional Accessory on Some Models) DO NOT attempt any maintenance, adjustments or service 1. Remove the recycling cover. Refer to the Section entitled with engine and blade running. STOP engine and blade. “Recycling Operation”. Disconnect spark plug wire and secure away from spark 2. Install the adapter (A, Figure 11) to the deck in place of plug. Engine and components are HOT. Avoid serious the recycling cover, making sure th
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Operation Operation (Continued) Installing the Recycling Plug WARNING ! ! 1. Install the recycling plug (A, Figure 13) if recycling is DO NOT attempt any maintenance, adjustments or service desired after the bag adapter is installed. Install the with engine and blade running. STOP engine and blade. recycling plug completely and securely into the bag Disconnect spark plug wire and secure away from spark adapter (B). plug. Engine and components are HOT. Avoid serious burns, allow sufficient tim
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Operation (Continued) Dumping the Grass Bag WARNING ! ! 1. Grasp the bag connector and bag handle. Lift up on the DO NOT attempt any maintenance, adjustments or service bag handle, removing it from the mower handle. Then with engine and blade running. STOP engine and blade. lift up on the bag connector, removing it from the Disconnect spark plug wire and secure away from spark adapter flange. plug. Engine and components are HOT. Avoid serious 2. Open the bag by pulling the bag slider (A, Figur
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Maintenance Maintenance Check Grease Level in Transmission Maintenance - Introduction 1. Remove the transmission fill plug (A, Figure 17). Roll To retain the quality of the mower, use genuine SNAPPER the machine forward or backward while looking down replacement parts only. Contact a local SNAPPER dealer for into the plug hole. parts and service assistance. For the correct part or 2. If liquid grease is not visible on the input gear (the small information for a particular mower, always mention
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Maintenance (Continued) Check Transmission Poly-V Belt WARNING ! ! 1. Visually check the poly-v belt for cracking, fraying, sev- DO NOT attempt any maintenance, adjustments or service ered or exposed belt strands. If worn or damaged, with engine and blade running. STOP engine and blade. replace the belt before operating the mower. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious Service - Periodic burns, allow sufficient time for all compo
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Maintenance Maintenance (Continued) A WARNING ! ! 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. C Mower Blade Replacement Figure 21: Ninja blad
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Maintenance (Continued) A WARNING ! ! G B DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. D C Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious E F burns, allow sufficient time for all components to cool. Blade Sharpening (Continued) 4. Sharpen the blade on a grinding wheel at an angle of 22 to 28 degrees (B, Figure 23). DO NOT sharpen the blade beyond the original cutting edge (A)
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Maintenance Maintenance (Continued) Drive Spring Repair/Replacement WARNING ! ! If the drive spring (A, Figure 26) is loose, reconnect. If the DO NOT attempt any maintenance, adjustments or service spring is broken, replace with a new spring. with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark Note: Use a pair of needle nose pliers to install the drive plug. Engine and components are HOT. Avoid serious spring. burns, allow sufficient time f
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Maintenance (Continued) A WARNING ! ! DO NOT attempt any maintenance, adjustments or service B 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 Adjustment (Continued) 2. Remove the driven disc spring (A, Figure 28) from the driven disc assembly (B). Also remove the pin and washer (C) from the transfer rod (D), and remov
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Maintenance Maintenance (Continued) Driven Disc Bearing Replacement WARNING ! ! If the driven disc bearing requires replacement, replace the DO NOT attempt any maintenance, adjustments or service bearing as follows: with engine and blade running. STOP engine and blade. 1. Remove the driven disc assembly. Refer to the Section Disconnect spark plug wire and secure away from spark entitled “Driven Disc Replacement”. plug. Engine and components are HOT. Avoid serious 2. Remove the snap ring (A, Fig
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Maintenance (Continued) Belt Service WARNING ! ! On self-propelled mowers, the engine belt (A, Figure 35) DO NOT attempt any maintenance, adjustments or service transmits power from the engine pulley (B) to the drive disc with engine and blade running. STOP engine and blade. (C). The drive disc powers the poly-v belt, which engages the Disconnect spark plug wire and secure away from spark transmission that powers the rear wheels. Should these belts plug. Engine and components are HOT. Avoid seri
