Toro 20351 - High Wheel CARB Walk Power Mower Dealer Manual
  1. Manuals
  2. Brands
  3. Toro Manuals
  4. Lawn Mower
  5. 20351 - High Wheel CARB Walk Power Mower
  6. Dealer manual
Toro 20351 - High Wheel CARB Walk Power Mower Dealer Manual

Toro 20351 - High Wheel CARB Walk Power Mower Dealer Manual

Service dealerís guide to great quality of cut
Hide thumbs Also See for 20351 - High Wheel CARB Walk Power Mower:
Table of Contents

Quick Links

See also: Operator's Manual
MANUAL
Table of Contents
loading

Related Manuals for Toro 20351 - High Wheel CARB Walk Power Mower

Summary of Contents for Toro 20351 - High Wheel CARB Walk Power Mower

  • Page 1 MANUAL...

  • Page 2: About This Manual

    The Toro Company Consumer Service Department 8111 Lyndale Avenue South Bloomington, MN 55420-1196 The Toro Company reserves the right to change product specifications or this manual without notice. Copyright© - All Rights Reserved The Toro Company - 2002 Bloomington, MN 55420–1149 - U.S.A.

  • Page 3: Table Of Contents

    Table of Contents Introduction Manual Purpose............1-1 Intended Audience .
  • Page 4 Table of Contents Adjusting Side-to-Side Level........4-6 Adjusting Front-to-Rear Pitch .
  • Page 5 Toro Recycler Mulch Plug ........
  • Page 6 This page intentionally left blank. Service Dealer’s Guide to Great Quality of Cut...

  • Page 7: Introduction

    Toro and Lawn-Boy produced before or after 2002. The Toro Company has brand rotary mowers. made every effort to make the information in this Appendices —...
  • Page 8 This page intentionally left blank. 1 - 2 Service Dealer’s Guide to Great Quality of Cut...

  • Page 9: Elements Of Great Quality Of Cut

    Elements of Great Quality of Cut Overview Quality of cut issues are best handled before they happen. Two factors largely determine quality of cut: proper mower setup and adequate operator instruction. This section describes the elements of proper mower setup. It also describes the elements mower preparation, lawn preparation, safety procedures, and mowing tips the operator should know to use the mower safely to get a great quality of cut.

  • Page 10: Operator Instruction

    Elements of Great Quality of Cut 11. Check the transmission fluid level. (See owner’s • Demonstrate for the operator the sound of the manual; some models have a sealed engine operating under a normal load and then transmission.) operating in an overloaded condition in which it is starting to bog down.

  • Page 11: Mowing Tips

    Elements of Great Quality of Cut Mowing Tips Explain to the operator that the operator’s manual contains tips for getting a great quality of cut. Remind the operator of the following: • The best ground speed is normal walking speed. However, if the engine bogs down at this speed, slow down to avoid degrading the lawn appearance.
  • Page 12 This page intentionally left blank. 2 - 4 Service Dealer’s Guide to Great Quality of Cut...

  • Page 13: Inspecting And Sharpening The Blade

    Inspecting and Sharpening the Blade Overview This section describes how to remove, inspect, sharpen, balance, and install a blade. Blade condition is a key factor in quality of cut. The blade should always be straight and sharp. A sharp blade produces a clean, neat cut and helps ensure healthy grass plants.

  • Page 14: Inspecting The Blade

    Inspecting and Sharpening the Blade Inspecting the Blade Sharpening the Blade Carefully examine the blade for sharpness and wear, File or grind the top of the blade to maintain it's original especially where the flat and curved parts meet cutting angle and inner cutting edge radius. To keep (Figure 5).

  • Page 15: Installing The Blade

    Inspecting and Sharpening the Blade Installing the Blade Blade Bolt (Nut) Torque Guide for Lawn-Boy, Toro, and Toro Wheel Horse Mowers built in 2002 Install the blade onto the spindle or blade driver. If Model ft-lbs the blade has curved tips (sails), they should be pointing towards the mower housing (Figure 9).
  • Page 16 This page intentionally left blank. 3 - 4 Service Dealer’s Guide to Great Quality of Cut...

  • Page 17: Checking And Adjusting The Blade Level

    Front-to-rear pitch—angle of blade when one tip used on the mower. points to the front of the mower and the other to Cast deck models (Toro Super Recycler and Lawn-Boy the rear Gold Series) use notches cast into the mower housing...

  • Page 18: Riding Mower Overview

    Checking and Adjusting the Blade Level Checking Blade Level— Steel deck models (Toro Recyclers and Lawn-Boy Silver Series) use spring arms and pins to engage All Mowers notches in a plate bolted to the mower housing (Figure 11). Checking the blade level involves preparing a suitable...

  • Page 19: Measuring Blade Level

    Checking and Adjusting the Blade Level Measuring Blade Level If the desired height of cut is known, make your measurements at this setting. If this is not known On products with inflatable tires, check the tire set the mower in the middle of its height of cut pressure.

  • Page 20: Checking And Adjusting Blade Tracking

    Checking and Adjusting the Blade Level If you don't have the measuring tool, use a piece engine or spindle and the housing. Check for level after of wood just short enough to fit under the mower installing shims. housing. Wrap one end with tape. Place the untaped end on the floor and the tape against the cutting edge of the blade (Figure 17).

  • Page 21: Adjusting Height Of Cut

    While measurement procedures are the same for all walk behind mowers, the type of suspension or height Kit PN 105-1290 fits Toro 21-inch Super Recyclers of cut adjusters on a given mower determine the manufactured 1995 and newer (Figure 21).

  • Page 22: Wheel Does Not Touch Ground

    Checking and Adjusting the Blade Level Reinstall the pivot and wheel. When you reinstall the wheel, use the extra clearance to raise it to the position of the other front wheel. After reinstalling the wheel and pivot, verify that the blade is level side-to-side. Adjusting Side-to-Side Level If the blade is not level within 1/8 inch (3.1mm) side to side, the engine will need to be shimmed.

  • Page 23: Models With Single Height Of Cut Adjustment Lever

    Checking and Adjusting the Blade Level Models with Single Height of Cut Adjustment Lever Adjusting Side-to-Side Level A typical model with a single height of cut adjustment Loosen the engine mounting screws on the side where lever is shown below (Figure 25). the blade is low (Figure 27).

  • Page 24: Riding Mowers

    Checking and Adjusting the Blade Level Riding Mowers Adjusting Blade Tracking The blade should be a minimum of 1/8 inch (3.1mm) Each series of riding mower uses different cutting units above the bottom of the housing. If out of tolerance, with unique suspension systems.

  • Page 25: Adjusting Side-To-Side Level

    Checking and Adjusting the Blade Level Adjusting Side-to-Side Level The blade should be level within 3/16 inch (5.0mm). The height of cut bracket on the left side of the chassis can be adjusted up and down to level the blade. Loosen the two cap screws holding the bracket to the frame rail to do this (Figure 32).

  • Page 26: Adjusting Side-To-Side Level-All Cutting Units

    Checking and Adjusting the Blade Level Adjusting Side-to-Side Level—All Cutting Units Measure from the blade tip to the ground on each side. On single blade mowers use the same blade tip for both measurements (Figure 35). On multiple blade models. choose a tip on each blade and mark it so you can refer back to the same one (Figure 36 and Figure 37).

  • Page 27: Adjusting Front-To-Rear Pitch

    Checking and Adjusting the Blade Level Adjusting Front-to-Rear Pitch Each of the three XL cutting units has a slightly different specification for front-to-rear pitch and slight variations in the adjustment process. Each cutting unit is covered separately in one of the following subsections.

  • Page 28: 38-Inch (96.5Cm) Cutting Unit

    Checking and Adjusting the Blade Level Using a 1-inch wrench or socket, slowly rotate the 38-inch (96.5cm) Cutting Unit left side adjusting nut down to raise the front of the The blade pitch for a 38-inch (96.5cm) mower is correct mower and up to lower it.

  • Page 29: 44-Inch (111.7Cm) Cutting Unit

    Checking and Adjusting the Blade Level To adjust the front-to-rear pitch, loosen the front 44-inch (111.7cm) Cutting Unit pivot plate mounting bolts slightly (Figure 44). Check side-to-side level and adjust as needed (see “Adjusting Side-to-Side Level—All Cutting Units” on page 4-10). Measure the length of the rod extending out the front of the adjusting block on the sides of the chassis (Figure 45).

  • Page 30: Adjusting Blade Tracking

    Checking and Adjusting the Blade Level Measure from the front blade tip to the ground, After adjusting both eyebolt lock nuts evenly, mark that tip with tape for future reference and check the front-to-rear pitch again. Continue rotate it 180 degrees to the rear and measure from adjusting the eyebolts until the front blade tip is the tip to the ground.

  • Page 31: 38- And 44-Inch (96.5 And 111.7Cm) Cutting Units

    Checking and Adjusting the Blade Level 38- and 44-inch (96.5 and 111.7cm) Cutting Units To check for a bent spindle, remove the belt and spin the blade spindle. Look at the center; if it rotates in a On mowers with multiple blades, not only do the blades tight circle, the spindle is not bent.

  • Page 32: Series Tractor

    Checking and Adjusting the Blade Level 260 Series Tractor There are four mower attachments for the 260 series tractors. The process for adjusting the 38-inch (96.5cm) mower is different from that for adjusting the other mowers, and so it is described separately. The 42-, 48-, and 52-inch (106.6, 121.9, and 132.0cm) mowers all require the same leveling process, and so they are covered together.

  • Page 33: Adjusting Front-To-Rear Pitch

    Checking and Adjusting the Blade Level Raise attachment lift lever to release pressure on Rotate the bolt on front adjustable link to change the gage wheels. Remove the 7/16 inch (10.9mm) front-to-rear pitch. Turn the bolt clockwise to hairpin cotter from the trunnion (Figure 54). shorten the link and raise the front of the mower.

  • Page 34: Adjusting Side-To-Side Level With Mower Suspended

    Checking and Adjusting the Blade Level Adjusting Side-to-Side Level with Mower Suspended The distance from the outside blade tips to the ground should be equal within 3/16 inch (4.6mm) (Figure 56). If not, an adjustment is in order. Figure 57 260XXF2R.TIF Adjustable link 3.

  • Page 35: Series Garden Tractor (Excluding 5Xi Series)

    Checking and Adjusting the Blade Level 300-400-500 Series Garden Tractor An alternate way to check this is to remove the mower housing and turn it over. Remove the blades and lay a (Excluding 5xi Series) straight edge on two blade saddles (Figure 59). It The mower attachments used on these tractors all should lie flat.

  • Page 36: Adjusting Blade Tracking

    Checking and Adjusting the Blade Level Adjusting Blade Tracking washers to shim the spindle housing, remove the bolt and reassemble through the washer to secure it. On mowers with multiple blades, not only do the blades need to be a minimum of 1/8 inch up from the bottom edge of the housing, but they must also line up where 5xi Series Tractors the tips come together.

  • Page 37: 60-Inch (152.4Cm) Mower

    Checking and Adjusting the Blade Level 60-inch (152.4cm) Mower Adjusting Transport Blade Pitch The mower blades should also be level side-to-side Because the attachment lift is used when the PTO drive within about 3/16 inch (4.76mm). The adjustment is is engaged, blade pitch in transport must be adjusted made on the gage wheels as shown (Figure 66).

  • Page 38: Timecutter Z

    Checking and Adjusting the Blade Level TimeCutter Z Adjusting Blade Tracking On mowers with multiple blades, not only do the blades Note: This chassis was re-identified as TimeCutter ZX need to be a minimum of 1/8 inch up from the bottom for 2003.
  • Page 39 Checking and Adjusting the Blade Level Adjusting Front-to-Rear Pitch the same distance from the blade to the ground (Figure 74). The mower blade should be between 1/16- 5/16 inch (1.6-7.9mm) lower in front than in the rear. If adjustment is necessary, proceed as follows: To adjust the front-to-rear blade pitch, remove the hairpin cotter from the front trunnion yokes and loosen the jam nuts (Figure 73).
  • Page 40 This page intentionally left blank. 4 - 24 Service Dealer’s Guide to Great Quality of Cut...

  • Page 41: Troubleshooting Quality Of Cut

    Check for belt slippage on mowers using a belt in with actions that will normally resolve the complaints the blade drive system (Toro BBC, Riding Mowers, described. To keep the section brief and easy to use, and Wide Area Mowers).

  • Page 42: Clogged Chute (Bagging Or Side Discharging Only)

    Troubleshooting Quality of Cut Clogged Chute (Bagging or Side Stair Step or Sawtooth Cut Discharging Only) Check mower for level side to side. Check for an alternate blade. A low lift blade on a On multi-blade mowers, verify all blades are at the bagging mower may have an increased tendency same height.

  • Page 43: Uncut Grass

    Troubleshooting Quality of Cut Uncut Grass Verify that there is not a gage wheel or roller pushing the grass down before the blade can cut Verify the correct blade is being used. Some models have different blades for mulching versus Excessive toe in on front tires can push the grass bagging.
  • Page 44 This page intentionally left blank. 5 - 4 Service Dealer’s Guide to Great Quality of Cut...

  • Page 45: Kits To Improve Quality Of Cut

    Toro Recycler Mulch Plug P/N 105-1290 (Figure 77) fits 21-inch (35cm) Super Recyclers built 1995 and newer. Model 59134 fits Toro 21-inch Recycler Steel Decks Model 59135 fits Toro 21-inch Super Recycler Cast Aluminum Decks These plugs smooth the surface under the deck while adding an additional deflector.

  • Page 46: Anti-Scalping Roller Kit P/N 93-3898

    Kits to Improve Quality of Cut Anti-scalping Roller Kit P/N 93-3898 Used on Toro Wheel Horse XL series 38-inch decks, this kit adds rollers to the deck to help avoid scalping on uneven lawns. Rollers are standard on European models.

  • Page 47: Glossary

    Appendices This section includes three subsections: Anti-scalp wheel—a wheel that contacts the ground only momentarily to prevent scalping when a mower • Glossary—a list of terms used in this manual encounters a high spot or crest in the lawn. Anti-scalp wheels cannot prevent all scalping but they reduce the •...
  • Page 48 Appendices Blade—rotary mowers use a blade, usually steel, to Ground Speed/Blade Passes provide the fan action that provides the airflow to stand up, hold, and transport the grass clippings. The blade Clips per Foot Clips per Inch also cuts the grass with a sharpened edge. The parts of Ground Speed Moved Moved...
  • Page 49 Appendices Discharge Chute—the opening in the mower cutting Halo—a noticeable circle of clippings dropped by a chamber that allows the cut grass to be discharged mower, usually when a mower is stopped. from the mower. Engine RPM (revolutions per minute)—a measurement of the speed the engine is running.
  • Page 50 Height of cut is controlled by raising or lowering the mower attachment through linkage attached to the tractor. raggdcut.TIF Rake—see Pitch. Recycler—Toro’s patented mulching system. Rough terrain—terrain uneven enough to affect the quality of cut by causing the mower to bounce excessively. 1222-05.jpg 7 - 4 Service Dealer’s Guide to Great Quality of Cut...
  • Page 51 Appendices Stragglers—random, individual blades of grass that Thin / Thick grass—the density or the number of are not cut when the mower has passed over an area. plants in a specific area. The density of the grass is a factor in how much volume of grass the mower is asked to process and in how readily air can enter the cutting chamber.
  • Page 52 Appendices Uncut grass—grass left standing after a mower has passed over it. This usually refers to grass that is not cut at all, as opposed to grass cut longer than the mower’s height of cut setting should leave. This term can also refer to an area of grass that has not been cut or passed over by a mower.

  • Page 53: Special Tools

    Appendices Special Tools known straight edge to check the floor. Remember you will be trying to measure within 1/8 inch or less. Many shop floors are not that flat. A good Normal hand tools will be needed when correcting a solution is to lay a sheet of plywood on the area to quality of cut complaint.

  • Page 54: Mower Quality Of Cut Checklist

    Appendices Mower Quality of Cut • A reference board. A reference board can be easily made. Use a board that will span the width Checklist of cut of the mowers you will be checking. Mark off level regular lines on your board, one-inch intervals are recommended.
  • Page 55 Mower Quality of Cut Checklist Customer name Date Walk behind or riding mower model/VIN Mower attachment model/VIN Bagger model/VIN Side discharged Mulched Bagged Clipping disposal: Complaint: Ragged cut Windrow Streaking Clumping Other: Description of problem: Is a vacuum or sweeper being used? Service/Check/Adjust—in shop Underside of mower housing clean? Blades sharp and in balance?
  • Page 56 This page intentionally left blank. 7 - 10 Service Dealer’s Guide to Great Quality of Cut...

  • Page 57: Quality Of Cut

    QUALITY OF CUT MANUAL Form No. 492-4763...

This manual is also suitable for:

20351

Table of Contents