Instruction/ maintenance manual of the product 20 Snapper
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Operator's Manual 7104669 Rev . ‘-’ 21” STEEL DECK WALK MOWERS C OMM ERCIAL MODELS SERIES 20 Mo d el No. D es cription 7800764 CRP218520 7800772 CP218520 ! Not for Reproduction.
Thank You for purchasing this quality-built Snapper product. W e’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.
3 Table of Contents Operator Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 F eatures an d Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
www.snapper.com 4 ! W ARNING: 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.
5 O perator Safety Safe Han d ling of G asoline (Continue d F rom Previous Page) 6. DO NOT fill fuel containers inside a vehicle or on a truck or trailer bed with a plastic liner . Always place the contain- ers on the ground away from the vehicle before filling.
www.snapper.com 6 IMPO RTANT 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. A. Oil Fill Cap and Dipstick B. Fuel Filler Cap C. Mulching Cover D.
7 B efore Starting 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 , F igure 1) , wheel drive control (B) , and ground speed control (C) to insure they work freely .
www.snapper.com 8 Propelling the Mower 1. Start the mower . 2. Move the ground speed control (A , F igure 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.
9 Cutting Height A d justment 1. Pull the height adjusting latch (A , F igure 6) outward and move to the desired cutting height. 2. Set all wheels at the same cutting height. The highest cutting position is Notch 7 (F igure 7) . The lowest cutting position is Notch 1.
www.snapper.com 10 Installing the D ischarge D eflector 1. Remove the mulching cover . Refer to the Section entitled “Mulching Operation”. 2. Install the deflector (A , F igure 9) to the deck in p.
11 Installing the M ulching Plug 1. Install the mulching plug (A , F igure 11) if mulching is desired after the bag adapter is installed. Install the mulching plug completely and securely into the bag adapter (B) . IMPORTANT: Install the grass bag as a safeguard.
M aintenance - Intro d uction T o retain the quality of the mower , use genuine replacement parts only . Contact a local dealer for parts and service assistance. For the correct part or information for a particular mower , always mention the model and serial number .
13 M aintenance Check M ower B la d e 1. Disconnect the spark plug wire and secure the end away from the plug. 2. Tilt the mower up on its rear wheels for access to the blade cap screw (A , F igure 17) . Do not tilt the mower with the spark plug or carburetor down.
M ower B la d e Replacement Stan d ar d B la d e W ear Limit 1. Inspect the blade (F igure 18) frequently for signs of excessive wear or damage: (A) New blade (B) Wear limit (notch starts) (C) Dangerous condition! Do not use on the mower! Replace with a new blade.
15 M aintenance B la d e Sharpening (Continue d) 4. Sharpen the blade on a grinding wheel at an angle of 22 to 28 degrees ( B, F igure 21) . DO NOT sharpen the blade beyond the original cutting edge (A) . 5. Check blade for balance. If necessary , correct balance by grinding heavy end of blade.
D riven an d D rive D isc Service If the mower does not propel itself properly , check for the following problems: 1. Grease on the drive disc (A , F igure 23) causing slippage. 2. Broken or disconnected drive spring (B) . 3. Driven disc (C) is out of adjustment.
17 M aintenance D riven D isc A d justment (Continue d) 2. Remove the driven disc spring (A , F igure 26) from the driven disc assembly (B) . Also remove the pin and washer (C) from the transfer rod (D) , and remove the end of the transfer rod from the hole in the driven disc assembly .
D riven D isc Ring Replacement (Continue d) 2. Using needle nose pliers, unhook the drive spring (A , F igure 29) and slide the driven disc assembly off the hex shaft. 3. Remove the five machine screws (A , F igure 30) and plate (B) which secure the rubber ring (C) to the driven disc hub (D) .
19 M aintenance Replacing the B earing O n the Pulley End O f the Hex Shaft T o replace the bearing on the pulley end of the hex shaft, proceed as follows: 1. Hold the hex shaft with an adjustable wrench held next to the pulley . 2. Remove the 3/8” hex lock nut ( B, F igure 32) , located on the outside of the right wheel bracket.
E ngine D rive B elt Replacement (Stretch Type B elts - Continue d) IMPORT ANT : Drain the fuel tank before tipping the mower . DO NOT tip the machine with the carburetor or spark plug down. Oil from the crankcase will saturate the air filter and cause the engine to be hard to start or not start at all.
21 Service Sche d ule IT EM SE RVIC E PER FO R MED REF. E ACH USE 5 HRS 25 HRS 50 HRS 100 HRS E ACH SE AS ON Engine Oil Check Oil Level Page 7 X Initial Oil Change Page 12 X Periodic Oil Change Page 1.
PR OB LEM PR OB ABLE CA USE CO RR E CTIV E ACTI ON Engine Will Not Start Using Recoil Starter 1. Fuel tank empty . 1. Fill fuel tank with fresh fuel. 2. Spark plug wire disconnected. 2. Place spark plug wire onto spark plug. Engine Stalls or Stops After Running 1.
23 W arranty BRIGGS & STRA TTON POWER PRODUCTS GROUP , L.L.C. OWNER W ARRANTY POLICY LIMITED W ARRANTY 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.
www.snapper.com 24 Notes Not for Reproduction.
25 Notes Not for Reproduction.
www.snapper.com 26 Notes Not for Reproduction.
27 Slope Guide Not for Reproduction.
www.snapper.com 1-800-935-2967 21” STEEL DECK WALK MOWERS C OMM ERCIAL MODELS SERIES 20 Power Rating : The gross power rating for individual gas engine models is labeled in accordance with SAE (Soci.
An important point after buying a device Snapper 20 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Snapper 20 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Snapper 20 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Snapper 20 you will learn all the available features of the product, as well as information on its operation. The information that you get Snapper 20 will certainly help you make a decision on the purchase.
If you already are a holder of Snapper 20, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Snapper 20.
However, one of the most important roles played by the user manual is to help in solving problems with Snapper 20. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Snapper 20 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
