Toro 20351 Quality Guide - Page 41
Troubleshooting Quality of Cut
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Troubleshooting Quality of Cut This section contains some common complaints along with actions that will normally resolve the complaints described. To keep the section brief and easy to use, we make no attempt to explain how the suggested action resolves the problem. Definitions of the terms used here are in the Glossary in the Appendices of this manual. Note that a good quality of cut is achieved by several factors working together. Any "will fit" parts should be replaced with OEM parts before troubleshooting. It is difficult to determine if a part meets the original specifications if it is not the original manufacturer's part. Small variations can change the performance noticeably. Use only OEM parts intended for the machine. General Troubleshooting Procedures While many problems with quality of cut require specific actions to resolve, there are a few things that are generally common to most problems. To avoid duplication, these are stated here. In most cases, these items should be verified before going to more specific suggestions. Note: A new lawn can exhibit several of the quality of cut problems. Most of these will resolve themselves when the lawn begins to thicken to a normal level. 1. Cut late in the day after the sun has had an opportunity to dry the grass. 2. Keep the engine at full RPM. Verify RPM with a tachometer. Engine speed should within the manufacturer's recommended speed specified range, not lower or higher. 3. Walk or drive more slowly. 4. Move over and take less than a full width cut. 5. Check for grass build-up in cutting chamber. 6. Raise the height of cut and cut the lawn. Come back a day or two later and re-cut to the preferred height. 7. Check for a sharp blade. Sharpen as instructed in the Operator's Manual. 8. Check for belt slippage on mowers using a belt in the blade drive system (Toro BBC, Riding Mowers, and Wide Area Mowers). 9. Keep the right (discharge) side of the mower over previously-cut grass. Specific Quality of Cut Problems and Possible Solutions Following are descriptions of specific quality of cut problems and possible solutions to them. If the general troubleshooting procedures previously described do not resolve a quality of cut problem, look for the problem and its possible solution(s) in the following descriptions. Blowout 1. If bagging or side discharging, look for and remove any restriction to airflow. A plugged air exhaust in a bagger for example, or a plugged chute when side discharging or bagging. 2. If the blade pitch is fairly flat front to rear, raise the rear of the mower slightly. Note: Do the opposite if you are bagging leaves and the mower pushes them away instead of picking them up. 3. Check to see if a blowout kit (sometimes called a baffle kit) is available for the model. See "Special Tools" in the Appendices. Clumping Toro Recycler mowers and mulching mowers can be more susceptible to clumping because the clippings stay in the chamber longer than in other types of mowers. If the general troubleshooting procedures previously described do not resolve the problem, 1. Convert the mower to side discharge for at least one mowing. 2. Convert the mower to bagging for at least one mowing. Service Dealer's Guide to Great Quality of Cut 5 - 1