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Details the belt drive system and the cable-operated parking brake system requiring maintenance.
Crucial steps for fuel shutoff, checking engine oil/fuel levels, and initial engine servicing.
Recommendation to tighten cutter teeth to 25 ft. lbs. after every use for optimal performance.
Lubrication interval for wheel shaft pillow block bearings: weekly or 30 hours.
Lubrication interval for the center pivot bearing: yearly or as needed.
Details the one-year warranty on equipment, two-year on fuel components, and limitations.
Lists damage types not covered by warranty, including abuse, neglect, and wear parts.
List of items for routine checking, cleaning, tightening, repair, or replacement.
Advice on cleaning safety decals and replacing damaged or missing ones.
Instructions for servicing the engine and guidelines for off-season long-term storage.
Covers maintenance tasks for the first 5 hours and daily checks.
Details maintenance for 100-hour intervals (air filter, oil, spark plug) and 250-hour (valve clearance).
Outlines maintenance for 400-hour (air filter, fuel filter) and 600-hour (safety filter) intervals.
Torque specifications for cutter teeth (25 ft. lbs.) and holders (180 ft. lbs.).
Torque specification for nuts fastening axle and drive stubs: 55 ft. lbs.
Troubleshooting steps for slow cutter wheel speed and rough cutting or bouncing.
Troubleshooting steps for loose tires when the brake is engaged.
Specifications for the E16SGB model, including dimensions and engine details.
Specifications for the E13SGH model, including dimensions and engine details.
The Barreto Model E13SGH-E16SGB Center Pivot/Manual Pivot Stump Grinder is a robust piece of equipment designed for the efficient removal of in-ground tree stumps and exposed roots. Its primary function is to grind down wood material and the surrounding surface soil, ensuring thorough and effective stump removal. The machine is not intended for cutting any other materials.
Upon delivery, users are instructed to carefully inspect the stump grinder for any freight damage or missing items. Any damage should be documented on the delivery receipt, photographed if possible, and reported immediately to Barreto Manufacturing and the carrier. After inspection, the machine should be carefully removed from its shipping crate.
For operational guidance, the manual refers to "right side" or "left side" relative to the operator's position while holding the controls, providing a clear frame of reference for understanding instructions.
The stump grinder incorporates a heavy-duty belt drive system, which requires periodic inspection and service to maintain optimal performance. Additionally, it features a cable-operated parking brake system. Users should be aware that the brake cables may stretch over time with use, necessitating occasional adjustments to ensure proper braking function.
A critical operational instruction emphasizes the importance of moving the fuel shutoff lever to the closed position immediately after stopping the engine. Failure to do so can lead to fuel leaking into the cylinder and crankcase, which could void the engine warranty and result in damage.
Before initial startup, users must check the engine's oil and fuel levels, as shipping regulations may prohibit the machine from being shipped with these fluids. The engine should be serviced according to its owner's manual before operation. A key maintenance recommendation is to tighten the cutter teeth to 25 ft. lbs. after every use, which helps maintain cutting efficiency and prolong the life of the components.
The machine is equipped with a DGI® TACH/HOUR meter, which tracks the hours of operation to facilitate timely routine maintenance. This hour meter is factory pre-set to trigger a "Flash Alert" mode at 25-hour intervals. While the engine manufacturer may not require oil changes this frequently, Barreto Manufacturing strongly advises frequent oil changes due to the heavy-duty use and extreme conditions typically encountered during tiller operation. To reset the service interval when the "Flash Alert" is active, the user should hold the tip of the "RESET TOOL" (Key Kancel Wand) against the meter. If the wand is lost, a small mechanic's pick-up magnet can be used as an alternative.
Lubrication is a vital aspect of the stump grinder's maintenance. The manual provides an illustration of grease lubrication points, which are also indicated by a decal on the machine. The wheel shaft pillow block bearings require weekly or 30-hour lubrication, while the center pivot bearing needs grease yearly or as needed.
Operator training is emphasized, particularly for rental companies, who should demonstrate all machine operations to each customer. This includes proper loading and securing of the stump grinder onto a trailer for transport, starting the engine, unloading the machine, and the correct grinding procedure.
Barreto Manufacturing provides a warranty for its equipment, covering defects in material and workmanship for one year, with fuel components, tank, cap, lines, and fittings warranted for two years from the date of delivery to the original user. The warranty is limited to the replacement of defective parts and excludes time for pick-up/delivery or transportation for service calls. It does not cover damage from abuse or neglect, nor does it include normal maintenance and service. Engines, engine-attached fuel tanks, accessories, batteries, and tires are covered by their original manufacturers' warranties, not Barreto's. Wear parts like cutter wheels, teeth, holders, bolts, dig chains, sprockets, chain rollers, bearings, and bushings are excluded unless a defect contributes to premature wear.
Maintenance preparation requires that only trained and qualified personnel perform service or repairs. Before any service, maintenance, adjustments, repairs, or long-term storage, the "SHUT DOWN PROCEDURE" in the operator's manual must be followed. A warning advises allowing the engine, muffler, and hydraulic fluid to cool completely before performing any cleaning or maintenance, as these components can become hot enough to cause serious burns.
Routine maintenance involves regularly checking, cleaning, tightening, repairing, or replacing the muffler guard, fuel lines, fasteners, and safety decals. Barreto recommends using genuine spare parts to ensure quality and operator safety. Safety decals should be cleaned with soap and water, avoiding abrasive cleaners or solvents that could damage them. Damaged or missing decals, or decals on replaced parts, should be replaced. When attaching decals, the mounting surface must be clean, dry, and at least 40°F (5°C). Engine service, including air filter changes, oil level checks, filling, draining, and disposal of fluids, should follow the engine owner's manual. The stump grinder can be stored at any ambient temperature during the off-season.
The manual includes safety decals, such as a "DANGER" warning for rotating blade hazards, prohibiting operation with the guard removed, and instructing users to follow lockout procedures before servicing. An "WARNING" decal advises reading and understanding the operator's manual to prevent death or serious injury. A California Proposition 65 Warning is also included, informing users about chemicals known to cause cancer, birth defects, or other reproductive harm.
A maintenance chart for Briggs/Vanguard engines outlines service intervals:
Cutter wheel torque specs are provided to maximize the usable life of these high-wear items. After every use, teeth and holders should be inspected. Cutter teeth have three sides and should be rotated frequently to maintain sharp cutting edges. They should be torqued to 25 ft. lbs. using a torque wrench. Worn or unsharpened teeth can cause premature wear of holders, leading to poorer performance and increased maintenance costs. Holders should be inspected and torqued to 180 ft. lbs. with a torque wrench. The nuts fastening the axle and drive stubs on the cutter wheel should be torqued to 55 ft. lbs. with a torque wrench.
Electrical schematics are provided for both Briggs Vanguard 16HP V-Twin and Honda GX390 engines, detailing the wiring for components such as the flywheel/stator assembly, regulator, ignition coil, spark plug, fuel cutoff, oil pressure switch, starter, and battery.
A troubleshooting guide addresses common issues:
General| Engine | Honda GX390 |
|---|---|
| Engine power | 13 HP |
| Cutting wheel diameter | 350 mm |
| Cutting depth below ground | 12 in |
| Cutting Width | 3.5 in |
