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Anleitung Bush Hog, modell GHM 900

Hersteller: Bush Hog
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(Figure 3-5) To transfer more weight, shorten the measurement. To transfer less weight, lengthen the measurement. Be advised, the shorter the measurement, the less the outer end of the cutter bar can reach down. 3-8 UNHITCHING FROM TRACTOR AND STORAGE To prevent rust, always clean all debris from mower after use. Store in a clean, dry place preferably with a hard, level floor. Clean and paint any areas where paint is missing. Apply a light coat of grease to cylinder rod.. Unhitch mower as follows: A. Pin parking stand in the down position as shown in Figure 3-6. B. Unfold cutter bar and lower to ground. C. Lower 3-point hitch to rest on parking stand. Make certain all pressure is relieved from cutter bar cylinder. D. Disconnect PTO driveline, hydraulic hose, and 3-point links. WARNING TO AVOID SERIOUS INJURY OR DEATH: ALWAYS STORE MOWER WITH THE CUTTER BAR IN THE UNFOLDED (HORIZONTAL) POSITION. Figure 3-5 Helper Spring Assembly 5-1/2” Figure 3-6 Parking Stand SECTION IV MAINTENANCE 4-1 MAINTENANCE CHECK LIST Perform scheduled maintenance as outlined below. Lower implement 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 indicated in torque at end of manual unless otherwise indicated. WARNING THE MOWER CAN FALL FROM HYDRAULIC SYSTEM FAILURE. TO AVOID SERIOUS INJURY OR DEATH, SECURELY SUPPORT MOWER BEFORE WORKING UNDERNEATH. BEFORE EACH USE 1. Perform LUBRICATION per paragraph 4-2. 2. Check blades and spindles to be sure that no foreign objects such as wire or steel strapping bands are wrapped around them. 3. Inspect blades for wear. Replace if necessary per paragraph 4-3. Always replace both blades with two blades equal in weight. Use only genuine Bush Hog replacement parts. 4. Check blade bolts for tightness. Tighten to 50 ft./lbs. 5. Make certain all shields are in place and in good condition. Repair or replace any missing or damaged shields. 6. Check tractor tire air pressure. Refer to tractor operator’s manual. 7. During operation, listen for abnormal sounds which might indicate loose parts, damaged bearings, or other damage. Correct any deficiency before continuing operation. 12 AFTER EACH USE 1. Clean all debris from machine. Replace any missing or illegible decals. 2. Inspect mower for worn or damaged components. Repair or replace before next use. Any replace ment components installed during repair shall include the components current safety decals specified by the manufacturer to be affixed to the component. 3. Store mower in a dry place. 4-2 LUBRICATION (Figures 4-1a, b, c, d) NOTE The multi-purpose grease referenced in this section is an NLGI Grade 2 type grease. 8 HOURS 1. Driveline Universal Joints - Apply multi-purpose grease with grease gun. 2. Driveline Guard - Apply 2-3 shots of multipurpose grease with grease gun to plastic fitting. 3. Cutter Bar Pivot - Apply multi-purpose grease with grease gun. (2 fittings) 20 HOURS 4. Main Gearbox - Add EP80W-90 gear oil, if necessary, to bring oil level to mark on dip stick. 5. Gear Bar Assembly - Fold mower into the transport position and fasten transport lock. Clean any grime and filth from around the fill/level plug. Add EP80W-90 gear oil, if necessary, to bring oil level up to the fill hole. 6. Overrunning Clutch - Apply multi-purpose grease with grease gun. 7. Driveline - Disconnect PTO driveline, pull the two sections apart, apply thin coat of multi-purpose grease to outside of inner (male) section.Reassemble sections and install. Pull each section to be sure driveline and shields are securely connected. Make certain PTO shielding is in good condition. 8. Mast Pivot - Apply multi-purpose grease with grease gun. (Figure 4-4) Figure 4-1c Overrunning Clutch (6) 20 Hours Figure 4-1a (2) BEfore Each Use (1) Before Each Use (7) 20 Hours To Remove Yoke Shield: Turn all three tabs 1/4 turn with screwdriver and remove tabs. Slide cover and plastic tube back. Figure 4-1b (4) 20 Hours (3) Before Each Use Figure 4-1d (5) 20 Hours - Gear Bar Lube 13 4-3 BLADE REPLACEMENT The disc mower blades each have two cutting edges. When one edge becomes dull or damaged, remove the bolt and turn the blade over, Nuts can be re-used if not damaged. If both cutting edges of the blade have been used, the blades must be replaced. Always replace both blades on a spindle to retain balance. When replacing blades, the attaching bolt and nut should also be replaced. Use only genuine Bush Hog replacement parts. (Figure 4-2) Figure 4-2 Blade Bolt Blade Disc Blade Stop Blade Nut When replacing blades, insure that shoulder of blade nut is seated into the blade stop and blade disc. Torque blade bolt to 50 ft. lbs. Strike nut with hammer and retorque. 4-4 BELT ADJUSTMENT Belt tension should be checked after first 2 hours of operation and thereafter every 40 hours to get maximum life from drive belts and best performance from mower. ...