Assessments - 2, GPA: 3
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24 RC5020 (540 RPM) and RCM5020 (1000 RPM) Rotary Cutters 318-474M 5/23/12 25 Section 3: Operating Instructions 5/23/12 RC5020 (540 RPM) and RCM5020 (1000 RPM) Rotary Cutters 318-474M Table of Contents ! WARNING Do not raise wings up with PTO engaged and drivelines rotating. Objects can be thrown by the rotating blades and driveline yokes can break as the wings are raised. Always keep people away from a cutter that is operating. ! WARNING Do not operate cutter with loose pins, bolts and nuts. Loose hardware can result in a serious breakdown causing bodily injury or death. ! WARNING Do not operate cutter with a hitch or hitch pin that is excessively worn, has structural cracks, is bent or broken. The hitch and/or hitch pin can break apart separating cutter from tractor causing serious injury or death. ! CAUTION Do not exceed the rated cutting capacity! See Specifications & Capacities for specified cutting capacity. Using this cutter for any other type of work can damage drive components, cutter blades and deck components! ! CAUTION Do not over speed PTO or machine damage may result. Many tractors provide both 540 and 1,000 RPM PTO speeds. Check your tractor’s manual to determine its capabilities. • RC series cutters are designed for 540 RPM rear PTO. • RCM series cutters are designed for 1000 RPM rear PTO. IMPORTANT: Maintain correct PTO speed. Loss of PTO speed will allow blades to swing back and result in ragged, uneven cutting. Excessive speed will cause damage to the power train components. IMPORTANT: Avoid catching hydraulic hoses on brush, post, stumps, and other protrusions that could damage and/or break them. IMPORTANT: If wing driveline profile is bent or twisted, disconnect that driveline from the wing gearbox before folding the wing up. This will protect both the wing and divider gearbox. Repair driveline before putting cutter back into service. IMPORTANT: Your Rotary Cutter is equipped with free swinging cutting blades to reduce shock loads when striking obstacles. However, it is best to avoid striking obstacles to extend cutter and blade life. IMPORTANT: Watch while making tight turns to ensure that the rear tractor tires and lower 3-point arms do not make contact with the hitch, driveline or deck. Keep lower 3-point arms raised at all times when hitched to a pull type cutter. Avoid Extreme Turning Angles Refer to Figure 3-1 & Figure 3-2: Plan your field cutting to minimize number of turns, especially extreme turning angles. Avoid tractor-to-cutter turning angles that exceeds the driveline’s maximum turning angle. If the turn cannot be avoided, disengage tractor PTO and wait for the driveline to stop rotating before making the turn. • Standard Conventional Driveline: Maximum turning angle = 35o. • Constant Velocity Driveline: Maximum turning angle = 80o. Conventional U-Joint Driveline Figure 3-1 Constant Velocity (CV) Driveline Figure 3-2 11934 20795 Table of Contents Section 3: Operating Instructions Transport Locks IMPORTANT: Always disengage tractor’s PTO & wait for blades to come to a complete stop before raising cutter wings to transport position. Wing drivelines, wing gearboxes, and splitter gearbox can be damaged if driveline is turning. NOTE: Wing folding is controlled with a hydraulic cylinder. Be certain wing hydraulics are properly attached to the tractor and hydraulic hoses are full of oil before proceeding. Cutter wings will need to be raised before transporting on a roadway, through narrow gate openings and when servicing the deck underside. 1. Disengage tractor PTO and wait for cutter blades to come to a complete stop before raising the wings. 2. Raise the cutter wings fully up with the hydraulics. 3. Place tractor gear selector in park, shut tractor engine off, set park brake, remove switch key and dismount from tractor. 4. See Figure 3-4: Remove hairpin cotter (#1) from storage pin (#2). 5. See Figure 3-3: Rotate transport lock bar (#3) to cylinder pin (#4). Secure with hairpin cotter (#1). 6. Repeat steps 4 and 5 for the other wing section. Cutter is now ready for transporting. Transporting ! WARNING Always raise wings and set transport locks before transporting from one work site to another and before traveling on public roadways. The wings can fall if not secured with transport locks causing a serious injury or death. ! WARNING When traveling on public roads, use accessory lights, SMV sign, clean reflectors, and other adequate devices to warn operators in other vehicles of your presence. Always comply with all federal, state, and local laws. IMPORTANT: Make slow tight turns to the right and left to determine if and at what angle the rear tractor tires may come in contact with the deck and/or hitch. ! WARNING Do not exceed maximum transport speed of 20 MPH with cutter attached. Travel below 20 MPH on rough terrain. The cutter can lose a tire or tires can break apart causing the operator to lose control of tractor and/or implement. 1. Select a safe ground speed when transportin...
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