The Benassi F1900 is a versatile sickle bar mower designed for efficient grass cutting and agricultural tasks. This manual provides comprehensive instructions for its assembly, operation, and maintenance, ensuring safe and optimal performance.
Function Description:
The Benassi F1900 is primarily a motofalciatrice (sickle bar mower) used for cutting grass, hay, and other vegetation. It is designed to be user-friendly and robust, suitable for both professional and domestic use in various terrains, including mountainous areas and slopes. The machine features a powerful motor and a central mowing unit with a sickle bar, allowing for effective and precise cutting. Its design incorporates safety features to protect the operator and ensure reliable operation.
Important Technical Specifications:
- Motor Fuel: Unleaded petrol.
- Start-up Device: Complete with a self-winding start-up device.
- Safety Device: Equipped with a safety device on the handles to stop the machine immediately.
- Air Filter: Dry air filter.
- Fuel Consumption: 0.8 Kg/h at 3600 r.p.m.
- Motor Oil: SAE 30.
- Motor Oil Quantity: 0.6 liters.
- Gearbox: Oil bath single gear.
- Gearbox Oil: SAE 80W/90.
- Gearbox Oil Quantity: 0.5 kg.
- Wheel Release: Manually controlled wheel release.
- Steering Handles: Mounted on vibration-damping supports for operator comfort.
- Wheels: "Tractor" type rubber wheels, 360 x 85.
- Mowing Unit: Central mowing unit with E.S.M. (Efficient Sickle Mower) system.
- Cutting Bar Width: Available with 92 cm width or a special bar with 82 cm width.
- Clutch: Belt tightening pulley.
- Packing Dimensions: Width: 100 cm, Height: 47 cm, Length: 63 cm.
- Acoustic Power Level (LwA): 89-105 LdB (A).
- Acoustic Pressure to Operator's Ear (LpA): 76-91 dB(A).
- Vibration to Handles (EN 1033-1 weighting): 4.9-13.4 m/sec².
Usage Features:
The F1900 is designed for ease of use and safety.
- Assembly: The machine requires initial assembly, including fixing the handles to the handlebar support and attaching the cutting bar. Specific instructions are provided for mounting the pawl into the head and then the head and bar onto the machine pin, ensuring the machine pin goes into the hole on the pawl. Incorrect assembly can cause serious damage and void the warranty.
- Starting and Stopping: Before starting, operators must check fuel and oil levels (motor and gearbox). The machine is supplied without oil or petrol and must be filled before first use. Starting involves bringing the accelerator hand lever to the "START" position, grasping the cord handle, and pulling it firmly. To stop, the accelerator lever is moved to the "STOP" position. A "MOTOR STOP" lever (E) is a critical safety feature that turns off the motor when released, preventing accidental operation.
- Operation: To move forward, the clutch lever (B) is squeezed and slowly released. To engage the cutting bar, the security button (H) is pressed, and the bar clutch lever (C) is lowered and kept pressed. The wheel release lever (D) allows for free movement of the mower. It's crucial not to operate the wheel engage lever (B) and the wheel release lever (D) simultaneously.
- Adjustments: The handlebar support can be adjusted vertically by knobs (Pict. 4 Ref. A). The clutch engagement can be adjusted to ensure proper operation, with a recommended gap of about 5 mm before the clutch engages.
- Safety: The manual emphasizes several safety terms, including prohibitions for persons under 16 years of age, the importance of reading the manual, and precautions during fuel filling (outdoors, away from flames, no smoking). Operators must maintain a 5-meter radius of free space around the machine. When mowing on slopes (not exceeding 20°) or mountainous areas, horizontal mowing and non-skid equipment are recommended. Hands and feet must be kept away from the cutting bar and rotating parts. The machine should never be operated incomplete or without its safety devices. Ear protection is recommended for extended use.
Maintenance Features:
Regular maintenance is crucial for the longevity and performance of the Benassi F1900.
- General Checks: Operators should regularly check and maintain the motor (spark plugs, air filter, regulations) as per the motor manual. The gearbox oil level should be checked, and the oil changed every 200 hours.
- Lubrication: The head should be lubricated periodically through the greaser (Pict. 11).
- Cutting Bar Maintenance: If the blade needs replacement or suffers impact, its condition must be checked. The manual provides detailed steps for disassembling and reassembling the cutting bar, including removing the cable of the motor spark plug, removing the grass divider, loosening the knife holder, and replacing the blade.
- Cleaning: The cutting bar and other equipment should never be assembled/disassembled or cleaned with the motor running.
- Transport: For transport, the bar should be disassembled, and the petrol tank emptied. A plastic protective strip should always be applied to the cutting bar blade.
- Handlebar Maintenance: The handles can be disassembled by means of two knobs (Pict. 7 Ref. A). The special split pin on the bar support (Pict. 8) should be protected with a plastic strip.
- Warranty: The machine comes with a 2-year warranty covering electric and rubber parts. All defective parts will be replaced free of charge, excluding the cost of labor and transport freight. The warranty is void if the machine is used improperly or if repairs are attempted by unauthorized personnel.
The Benassi F1900 is a reliable and efficient sickle bar mower, provided that the user adheres to the detailed instructions for operation and maintenance outlined in this manual.
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