This document is a product manual for the TMG-GSG9 Walk Behind Stump Grinder, powered by a 14HP KOHLER engine. The manual, version V2021.09.28, provides comprehensive information on general safety rules, installation, operation, maintenance, and troubleshooting.
Function Description:
The TMG-GSG9 Walk Behind Stump Grinder is a powerful machine designed solely for grinding stumps. It utilizes a rotating cutter wheel with multiple teeth to efficiently remove tree stumps. The machine is intended for use by trained operators familiar with its operation and safety guidelines. It is not to be used for any other purpose, and any modifications to the standard parts will void the warranty and could cause personal injury or property damage.
Important Technical Specifications:
- Model: TMG-GSG9
- Engine: 14HP four-stroke KOHLER engine
- Start Type: Recoil Start (Electric Start is also mentioned as an option for starting procedures)
- Power Source: Gasoline
- Wheel Diameter: 14 inches
- Cutters: 12 teeth
- Stump Height Capacity: 12 inches
- Stump Diameter Capacity: Any
- Tire Size: 14.5" x 7.0-6
Usage Features:
The stump grinder is designed for ease of use and safety, with several features to facilitate operation:
- Operator Zone: A clearly defined safe operating area is illustrated, emphasizing that the operator must remain within this zone during operation.
- Adjustable Bow Handle: The bow handle can be adjusted to the desired position for operator comfort and control.
- Brake System: A brake system with a pin and wheel engagement ensures the machine is locked in place during operation and repositioning. The manual also highlights the importance of releasing the brake before towing.
- Throttle Control: A throttle control lever allows the operator to adjust engine speed, with a "FAST" setting recommended for cutting speed.
- Choke Control: A choke control lever is available for starting a cold engine.
- Emergency Stop: An emergency stop switch lever is included for quick shutdown.
- Cutting Head Rotation: The cutting head rotates, and the manual provides a warning about keeping clear of this area.
- Cutting Zone: A specific 80-degree cutting zone is indicated, within which the cutting wheel should engage the stump. Undercutting the stump or using the bottom of the cutting wheel for cutting purposes is explicitly prohibited.
- Stump Removal Process: The manual outlines a step-by-step process for removing stumps, including preparing the grinder, swinging the cutting wheel, lowering it into roots, and repositioning the machine.
- Towing: The machine can be towed safely at 25 MPH off-road only. Towing on paved streets is prohibited as it can damage the ATV tires.
Maintenance Features:
Regular maintenance is crucial for the longevity and optimal performance of the TMG-GSG9. The manual provides a detailed maintenance checklist and guidelines:
- Pre-Operation Checks: Before each use, operators should check the engine oil level, general equipment condition, teeth and bolts, and belts.
- Scheduled Maintenance:
- Every 3 Hours: Check tire pressure.
- Every 25 Hours: Clean engine exterior and cooling.
- First 5 Hours (Engine Oil): Change engine oil.
- Every 100 Hours: Replace air filter and spark plug.
- Engine Service: For detailed engine maintenance, operators are directed to refer to the engine manufacturer's user manual.
- Lubrication: All bearings are sealed units and should have sufficient lubricant for the machine's life under normal use. Grease Zerks are installed for additional greasing if needed, and standard bearing grease should be used. Lubricating the bearing before each use is recommended to prevent affecting the service life of the machine.
- Troubleshooting: A comprehensive troubleshooting table helps identify and resolve common issues such as the engine not starting, lacking power, smoking, or the machine not having full grinding power. Solutions include checking the safety cutoff switch, fuel valve, gas quality, spark plug, air filter, oil level, cooling fins, and belt tension.
- Safety Precautions for Maintenance: Before any maintenance or inspection, the engine must be stopped, allowed to cool for five minutes, and the spark plug wire disconnected to prevent accidental starting. For electric start models, battery terminals should also be disconnected.
The manual emphasizes the importance of reading and understanding all safety rules and operating instructions before using the stump grinder. It also advises wearing appropriate personal protective equipment, including safety goggles, hearing protection, heavy-duty work gloves, sturdy non-slip footwear, and tight-fitting clothing. Keeping children and pets at least 50 feet away from the work area is also highlighted as a critical safety measure.
To Next Page
General