valutazioni - 2, GPA: 3
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Facilità d'uso
Please read this manual thoroughly. Understand what each control is for and how to use it. Observe all safety precautions decaled on the machine and noted throughout the manual for safe operation of implement. If any assistance or additional information is needed, contact your authorized Bush Hog dealer. NOTE All references made to right, left, top, bottom, front or rear are as viewed facing the direction of travel with implement properly attached to tractor. 1-2 DESCRIPTION The EFM cutters (Figure 1-1) are intended for cutting lawns or any maintained area where a clean, uniform finish is desired. Parallel uplift blades form a Figure 1-1 EFM 600 suction during operation to lift the grass before cutting it. The four caster wheel arrangement, along with the floating lift linkage and optional front mounted roller, all work together to give an even cut and minimize scalping. Power from the tractor is transmitted through a triangular, telescoping driveline to the 90 degree gearbox. It is then passed to the spindle housings and blades by a single, B-section, Kevlar reinforced belt. Drivetrain protection is provided by belt slippage. Table 1-1 EFM Specifications EFM 480 EFM 600 Cutting Width (in.) 48 60 Cutting Height (in.) 1 to 6 Horsepower Range 14 - 30 Blade Tip Speed (fpm) 14,800 16,800 Weight (lbs.) 420 450 7 SECTION II PREPARATION FOR USE 2-1 ATTACHING TO TRACTOR WARNING NEVER STAND BETWEEN TRACTOR AND CUTTER WHILE TRACTOR IS BEING BACKED TO HITCH. WARNING ADDITIONAL TRACTOR FRONT BALLAST MAY BE NEEDED FOR STABLE OPERATION AND TRANSPORT OF CUTTER. SEE TRACTOR OPERATOR’S MANUAL FOR RECOMMENDED WEIGHTS. IT IS RECOMMENDED THAT TRACTOR BE EQUIPPED WITH ROLLOVER PROTECTIVE SYSTEM (ROPS) AND SEAT BELTS. A. Attach to tractor Cat. I three point hitch as described in tractor operator’s manual. NOTE Due to the many variations in tractor/implement hitch points and corresponding differences in distances between tractor PTO shafts and implement input shafts, drivelines may need to be shortened as described in the following steps: B. Raise and lower cutter to determine position with shortest distance between the tractor PTO shaft and gearbox input shaft. Shut down tractor leaving cutter in position of shortest distance. SECURELY BLOCK CUTTER IN POSITION. C. Pull driveline apart. Attach outer (female) section to tractor PTO shaft. Pull on driveline section to be sure yoke locks into place. Figure 2-2 Minimum Overlap D. Hold driveline sections parallel to each other to determine if too long. Each section should end approximately 3 inches (76mm) short of reaching universal joint shield on opposite section. If too long, measure 3 inches (76mm) back from universal joint shield and mark opposite section. (Figure 2-1). Do this for both sections. E. Raise and lower cutter to determine position with greatest distance between PTO shaft and gearbox input shaft. Shut down tractor leaving cutter in position of greatest distance. SECURELY BLOCK CUTTER IN POSITION. F. Hold down driveline sections parallel to each other and check for minimum 6 inches (152mm) overlap. (Figure 2-2) If driveline has been marked for cutting, overlap will be the distance between two marks. If driveline has less than minimum overlap, DO NOT USE. Contact authorized Bush Hog dealer. NOTE If driveline is correct length, omit the following steps “G” through “J” and proceed to step “K”. Figure 2-1 8 G. Clamp end of driveline in a vice. Cut off shield Figure 2-5 where marked. (Figure 2-3). Figure 2-3 H. Using cut off section of shield as a guide, cut shaft the same amount. (Figure 2-4) Figure 2-4 I. Repeat steps “G” and “H” to other driveline section. J. Deburr ends of driveline sections and clean away all chips and filings. (Figure 2-5) K. Apply multi-purpose grease to outside of male driveline section. Assemble driveline and install on tractor and cutter. Pull on each driveline section to be sure yokes lock into place. Make certain driveline shielding is in place and in good condition. DANGER MAKE CERTAIN DRIVELINE YOKES ARE SECURELY FASTENED. FAILURE TO DO SO MAY RESULT IN SERIOUS INJURY. L. Raise cutter off ground and adjust lower lift arms to level cutter right to left. Refer to tractor operator’s manual. M. Lower cutter to work position. Adjust tractor top link to position cutter top flex link as shown in Figure 2-6. This allows cutter to “float” during operation. Also lower the tractor lift arms so that lower links can also “float”. N. Adjust tractor sway chains, stabilizer bar or equivalent to prevent side sway. Figure 2-6 Flex-Link Tractor Top Link Tractor Lower Lift Arm Lower Link In Floating Position Lower Link Assembled In “Close To Tractor” Position 9 Spacers Figure 3-1 Figure 3-1 SECTION III OPERATING INSTRUCTIONS 3-1 GENERAL SAFETY Only qualified people familiar with this operator’s manual and tractor operator’s manual should operate this machine. Operator should wear hard hat, safety glasses and safety shoes. The operator should read, understand and ...
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