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Resumen del manual
THEREFORE, THIS CUTTER IS NOT TO BE OPERATED ALONG HIGHWAYS OR IN ANY AREA WHERE PEOPLE MAY BE PRESENT UNLESS ALL SIDES OF THE UNIT ARE ENCLOSED BY PERMANENT BANDS, SAFETY CHAINS, OR OTHER FACTORY APPROVED SAFETY SHIELDS THAT ARE IN GOOD REPAIR. CEASE MOWING WHENEVER ANYONE COMES WITHIN THE OPERATING AREA. 3-4 TRANSPORTING When implement is transported on road or highway, day or night, use tractor flashing warning lights unless prohibited by law. A slow moving vehicle (SMV) sign must be visible from the rear by approaching vehicles. Do not exceed 15 mph (24kph) when traveling. Fully raise implement before transporting. SECTION IV MAINTENANCE 4-1 MAINTENANCE CHECK LIST Perform scheduled maintenance as outlined below. Lower machine to ground, turn off tractor and set parking brake before doing maintenance inspections or work. Some checks may require raising machine off ground and supporting with blocks. All bolts should be torqued as recommended in the torque specifications chart unless otherwise indicated. WARNING THE CUTTER CAN FALL FROM HYDRAULIC SYSTEM FAILURE. TO AVOID SERIOUS INJURY OR DEATH, SECURELY SUPPORT CUTTER BEFORE WORKING UNDERNEATH. BEFORE EACH USE 1. Check tractor tire air pressure. Refer to tractor operator’s manual. 2. Check blades and spindle to be sure that no foreign objects such as wire or steel strapping bands are wrapped around them. 3. Check blade bolts for tightness. Tighten to 450 ft./lbs. (609 Nm). 4. Inspect blades for wear. Replace if necessary per paragraph 4-4. Always replace both blades on spindle with two blades equal in weight. Use only genuine Bush Hog replacement parts. 5. Make certain driveline shields are in place and in good repair to minimize entanglement injuries to persons by rotating drivelines. 6. Make certain deflector shields (chains, bands, etc.) are in good repair to minimize injuries to persons by the discharge of the high speed thrown objects. 7. Inspect wheel(s) for wear, damage, or foreign objects.Repair or replace if necessary. 8. Perform BEFORE EACH USE lubrication per paragraph 4-2. 9. During operation, listen for abnormal sounds which might indicate loose parts, damaged bearings or other damage. AFTER EACH USE 1. Clean all debris from machine especially underside of deck and affixed safety decals. Replace any missing or illegible decals. 2. Inspect cutter for worn or damaged components. Repair/replace before next use. Any replacement components installed during repair shall include the components current safety decals specified by the manufacturer to be affixed to the component. 3. Store cutter in a dry place. 4-2 LUBRICATION (Figure 4-1) NOTE The multi-purpose grease referenced in this section is an NLGI Grade 2 type grease. BEFORE EACH USE 1. Driveline Universal Joints -Apply multi-purpose grease with grease gun. 2. Wheel Bearings-Apply multi-purpose grease with grease gun. 3. Wheel Pivots-Apply multi-purpose grease with grease gun. 4. Driveline Guard-Apply 2-3 shots of multi-purpose grease with grease gun to plastic fitting. 10 5. PTO Driveline -Disconnect PTO driveline, pull the two sections apart, apply thin coat of multipurpose grease to inside of outer (female) sec tion. Reassemble sections and install. Pull each section to be sure driveline and shields are securely connected. Make certain PTO shielding is in good condition. 6. Gearbox - Add EP80W-90 gear oil as necessary to bring oil level to check plug on top of housing. (4) Before Each Use (5) Before Each Use Figure 4-1 Lubrication (6) Before Each Use (3) Before Each Use (2) Before Each Use To remove yoke shield: Turn slotted head 90° with screwdriver, remove turn screw (1) Before Each Use and slide cover back. WARNING THE CUTTER CAN FALL FROM HYDRAULIC SYSTEM FAILURE. TO AVOID SERIOUS INJURY OR DEATH, SECURELY SUPPORT CUTTER BEFORE WORKING UNDERNEATH. 4-3 BLADE HOLDER ASSEMBLY REMOVAL AND INSTALLATION A. Remove the lower shaft nut and lockwasher. B.Wearing heavy gloves, grasp blade holder and pull off tapered shaft. If stuck, align bolt with access hole in top of cutter deck. Using sledge hammer and a piece of pipe, strike blade bar. Rotate pan to the other blade bolt and strike blade bar. Repeat until blade holder comes off. Care should be taken not to damage blade bolt threads. REPLACEMENT A. Replace blade holder and tighten the lower shaft nut to 600 ft./lbs. If a torque wrench is not available, the nut should be tightened with a wrench having a three foot handle, or a section of pipe over the wrench handle, if a wrench of this size is not available. B. Strike the blade holder several times with a heavy hammer and retighten lower shaft nut. This should be repeated several times. 4-4 BLADE REPLACEMENT (Figure 4-2) It is not necessary to remove the complete blade holder assembly to replace the blades. Blade bolts are accessible through a hole in the top of the cutter deck. Always replace both blades on a spindle using two blades having the same weight. Use only genuine Bush Hog replacement ...
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