Оценок - 5, средний балл: 4 ( )

Производитель: Bush Hog Размер: 10.44 mb Название файла: Язык инструкции:

4. Input Gearbox -Add EP80W-90 gear oil, if necessary, to bring oil level to check plug. 5. Lateral Gearbox -RTH Models (Gear Drive) -Add EP80W-90 gear oil, if necessary, to bring oil level to check plug located on side of gearbox. 6. Chain Drive -RTN,RTNR Models -Add EP80W-90 gearoil, if necessary, to bring oil level to check plug located on side of cover. 40 HOURS 7. Rotor Shaft Bearing -Apply 2-3 shots of multi- purpose grease with hand pump grease gun every 40 hrs. of operation and before storage. (Figure 4-2) RTNOilCheckPlugRTNChainDriveOilFillerPlug(6)BeforeEachUseCheckPlug(4)4BeforeEachUse 10 4-3 BLADE REPLACEMENT WARNING THE TILLER CAN FALL FROM HYDRAULIC SYSTEM FAILURE. TO AVOID SERIOUS INJURY OR DEATH, SECURELY SUPPORT TILLER BEFORE WORKING UNDERNEATH. Tiller blades should be replaced when they have approximately 1/4” of wear left on tip of blade.(Figure 4-2) To replace blades, remove bolts securing blade. Install new blade in its place. Blade must be a right or left corresponding to the blade removed. Tighten blade bolts to 118 ft. lbs. Use only genuine Bush Hog replacement parts. The RTN, RTNR and RTH are designed to accomo- date up to 6 blades per flange if desired. 4-4 SLIP CLUTCH OPERATIONAL CHECK (IMPORTANT: Also refer to page 17) After tiller has been stored for 30 days or more, perform the following operational check: A. Loosen eight nuts retaining clutch springs exactly one full turn. B. With tiller blades firmly on ground and tractor at idle speed, engage tractor PTO drive for 2-3 sec- onds. Clutch should slip without turning blades. If clutch does not slip, contact your authorized Bush Hog dealer. C. Retighten nuts to within 1/64” of original position. Initial spring length is 1-3/32” (27.6mm). (Figure 4-3) CAUTION FAILURE TO RETIGHTEN SPRING NUTS TO ORIGINAL POSITION MAY CAUSE DAMAGE TO TILLER AND/OR TRACTOR DUE TO IMPROPER SLIP CLUTCH TORQUE SETTING. 4-5 SLIP CLUTCH ADJUSTMENT (IMPORTANT: Also refer to page 17) The slip clutch is factory preset to the correct torque for protecting implement and tractor. Periodic adjustment is recommended; refer to Section 4-4. Should adjustment be needed, first check to be sure all spring lengths are within 1/64” of being the same. Initial spring length is 1-3/32” (27.6mm) shown in Figure 4-3. If necessary, loosen nut on any spring that is unequal. Adjust all eight spring retaining nuts 2/3 of a turn (2 flats on a nut) and check clutch slip- page. If further adjustment is necessary, do so in 1/3 turn increments or consult your Bush Hog dealer. Adjust only to provide sufficient torque to prevent slip- page under normal conditions. When rocks, roots, etc. are present, occasional slippage is normal for dri- vetrain protection. 11 1/4” 1-3/32” (27.6mm) 4-6RTNCHAINADJUSTMENT(Figure4-4) A.Turntractoroffandsetparkingbrakebeforemakingchainadjustment. B.Blockuptillerbyplacingwoodedblockunder- neaththeskids. Figure 4-2 Blade Wear Figure 4-3 Clutch Spring Length WARNING THE TILLER CAN FALL FROM HYDRAULIC SYSTEM FAILURE. TO AVOID SERIOUS INJURY OR DEATH, SECURELY SUPPORT TILLER BEFORE WORKING UNDERNEATH C. The drive chain on the Model RTN, RTNR tiller is preset with the correct chain tension when it leaves the factory. After an extended period of use the chain will wear and it will be necessary to make adjustment to the chain through the chain adjusting bolt located on the outside of the chain case. D. Measure the initial length of the chain tension fastener before beginning. Rotate the bolt clockwise to tighten the chain tension bolt to remove excess motion of the chain. Only small increments of bolt turns should be made, then listen for the amount of lost motion in the chain. To much chain tension and the rotor will be difficult to rotate. DO NOT OVERTIGHTEN THE CHAIN TENSIONER. PREMATURE FAILURE CAN OCCUR TO THE CHAIN OR BEARING IF OVERTIGHTENED. RTNChainTensionerBarAdjustingBoltBearsOnThisPadFigure4-4ChainAdjustmentNOTE: RTNRTensionerBarAndAdjustingBoltAreLocatedOnOppositeSideOfChainCase 4-7 TROUBLESHOOTING ment parts are necessary, contact your authorized Bush Hog dealer. Please have ready your machine Troubleshooting procedures are listed in Table 4-1 name, model number, serial number, p...

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