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17 

TROUBLESHOOTING – GENERAL 

 

PROBLEM 

POSSIBLE CAUSE 

REMEDY 

NOT CUTTING CLEAN 

Blades dull. 

Blade rotation incorrect. 

Using straight blades. 

Carrier rpm too low. 

Mower not leveled. 
 
 

 

Tyres flattening grass. 

Ground speed too fast. 

Blades locked back. 

Blades riding up due to 
Blade Bolt wear. 

 

Blades bent up. 

Sharpen or replace Blades. 

Use correct Blade carrier. 

Use Fan Blades in grass. 

Increase PTO to recommended rpm 

Adjust machine level - 

in very heavy 

weeds set rear ½” -1” (12.5-25mm) 
higher than the front.

 

 

Increase tyre spread to 90”

(2.25m). 

Reduce ground speed. 

Free Blades. 

Replace Blade Bolts. 

 
 
 

Replace Blades. 

BREAKING BLADE 
BOLTS 

Operating with loose 
Blade Bolts. 

 

Worn Blade Bolt. 

Tighten Blade Bolts to 350 ft lb.

  

(475 Nm) – Right hand threads. 

 

Replace Bolt. 

CUTTING TOO HIGH 

Blades bent up. 

Blade Carrier bent. 

Blades on upside down. 

Replace Blades. 

Straighten or replace Blade Carrier. 

Turn Blades right side up and 
tighten. 

MOWER VIBRATES 

Blade locked back. 

Drivelines not phased. 

Blade broken. 

Blade Carrier bent. 

Blade Hub not properly 
seated on Shaft. 

 

 
New Blade matched 
with worn Blade. 

Loosen locked Blade. 

Replace Driveline. 

Replace Blades in sets. 

Repair or replace Carrier. 

Remove Hub, check for wear and 
replace or seat properly -

Tighten 

Hub Bolts to 450 ft lb. (610Nm). 

 

Replace Blades in sets. 

MOWER WINDROWING  Cutting heavy material. 

Raise Mower and reduce 
groundspeed. 

FAST BLADE WEAR 

Cutting in sandy or 
rocky conditions. 

 

Blades too soft. 

Increase cutting height. 
 

 

Replace Blades; with hardened, 
high-quality, Rhino Blades from the 
manufacturer. 

BLADE BOLTS  
WORKING LOOSE 

Bolts not tightened. 

Bolt hole elongated or 
oversized. 

 

Locknut worn out. 

Tighten Bolts to 350 ft lb.

 (475 Nm.) 

 

Replace Blade Carrier. 
 

 

Replace Locknut. 

Содержание MAXICUT 280

Страница 1: ...MAXICUT 280 Rotary Topper Operator Manual Publication 986 September 2020...

Страница 2: ...to verify that your machine has been registered with McConnel Limited IMPORTANT During the initial bedding in period of a new machine it is the customer s responsibility to regularly inspect all nuts...

Страница 3: ......

Страница 4: ...mple may require particular care when packing to avoid damage in transit 1 04 This warranty does not extend to any product from which McConnel Ltd s serial number plate has been removed or altered 1 0...

Страница 5: ...d be undertaken within two days of the failure Claims submitted for repairs undertaken more than 2 weeks after a failure has occurred or 2 days after the parts were supplied will be rejected unless th...

Страница 6: ...e deemed to be a waiver of any other term 4 02 If any provision of this limited warranty shall violate any applicable law and is held to be unenforceable then the invalidity of such provision shall no...

Страница 7: ...ances to avoid the entrapment with human body parts BS EN ISO 14120 2015 Safety of machinery Guards general requirements for the design and construction of fixed and movable guards BS EN 4413 2010 Hyd...

Страница 8: ...amaged blades before operating the mower Ensure the blade retaining bolts and fasteners are secure and tight Lubricate the driveline universal joints and telescoping members daily Inspect the wheel lu...

Страница 9: ......

Страница 10: ...t grass and debris Chain Guards Deflectors are in place in good condition Driveline Gearbox shields guards are in good condition Driveline clutches are in good condition not frozen Driveline telescopi...

Страница 11: ...e tyres are in good condition with correct pressure The wheel nuts are tight The tractor brakes are in good condition The steering linkage is in good condition There are no visible oil leaks The hydra...

Страница 12: ...t grass and debris Chain Guards Deflectors are in place in good condition Driveline Gearbox shields guards are in good condition Driveline clutches are in good condition not frozen Driveline telescopi...

Страница 13: ...e tyres are in good condition with correct pressure The wheel nuts are tight The tractor brakes are in good condition The steering linkage is in good condition There are no visible oil leaks The hydra...

Страница 14: ......

Страница 15: ...hing and Storing Mower 15 Driveline Length Check Procedure 15 TROUBLESHOOTING SECTION General Troubleshooting 17 PTO Shaft Troubleshooting 18 Gearbox Troubleshooting 18 MAINTENANCE SECTION Lubrication...

Страница 16: ...9 Tailwheel Beam 40 Tailwheel Assemblies 41 PTO Shaft Assembly 45 Slip Clutch Assembly 47 Gearbox T Box Assembly 48 Outer Gearbox Assembly 49 Coupler Shaft 53 Gearbox Mounting 55 Blade Assembly 56 Gua...

Страница 17: ......

Страница 18: ...been removed NOTE Where grass and weeds are high enough to obscure debris that could be struck by the blades the area should be inspected and debris removed mowed at an intermediate height and re insp...

Страница 19: ...blades Such a situation is extremely hazardous Inspect the cutting area for any such objects and remove prior to mowing Never allow the cutting blades to contact such items Be particularly careful in...

Страница 20: ...ponent unless the mower has been securely supported and blocked using suitable substantial items to prevent sudden or inadvertent falling which could cause serious injury or even death Never operate t...

Страница 21: ...permanent total hearing loss Where the tractor is fitted with a quiet cab it is recommended that the windows are kept closed at all times whilst operating this machine In addition to the safety messa...

Страница 22: ...CTION BLADE TIMING 5 D137 1 INSTRUCTION CCW BLADE ROTATION 6 D138 1 INSTRUCTION CW BLADE ROTATION 7 09 821 29 1 WARNING EURODECAL 8 09 821 34 1 WARNING EURODECAL 9 09 811 04 1 WARNING MAX PTO SPEED 54...

Страница 23: ...Part Number 09 821 29 2 Part Number 7560093 3 Part Number 7560155 4 Part Number D132 6 Part Number D138 5 Part Number D137 8 Part Number 09 821 34 9 Part Number 09 811 04 11 Part Number 09 810 03 10 P...

Страница 24: ...ntime The Operation and Maintenance Sections of the manual train the owner operator how to work the Mower correctly and attend to appropriate maintenance tasks The Trouble Shooting Guide helps diagnos...

Страница 25: ...Agricultural purposes to reduce the risk of property damage serious bodily injury or even death from objects thrown out by or contact with the Cutting Blades The 9 Lift Type machine requires a minimum...

Страница 26: ...parts lists and exploded view drawings for more details This Mower is shipped partially assembled Assembly will be easier if components are aligned and loosely assembled before tightening hardware Alw...

Страница 27: ...splines and assemble DO NOT ASSEMBLE A DRIVELINE WITHOUT A SHIELD Attach the slip clutch end of the driveline to the gearbox input shaft 1 securely Ensure the Slip Clutch is fully located onto the inp...

Страница 28: ...mph 3 to 8 km h Always operate the tractor at the recommended PTO speed IMPORTANT To avoid damage to cutter re torque all bolts after the first 10 hours of operation Re torque blade carrier retaining...

Страница 29: ...low the contour of the terrain Drawbar Shorten or remove the tractor Drawbar so it will not interfere with the up and down movement of the Mower Do not get or allow others between the Tractor and the...

Страница 30: ...on the tractor lift quadrant against the lift control lever so the Mower can be returned to the same height Adjust the length of the top link so that when lifting the Mower the front of the Mower will...

Страница 31: ...ut Under certain conditions tractor tyres may roll some grasses down and prevent them from being cut at the same height as the surrounding area When this occurs reduce the tractor ground speed but mai...

Страница 32: ...e DRIVELINE LENGTH CHECK PROCEDURE A loose shaft could slip off and result in personal injury or damage to the Mower When attaching PTO yoke to tractor PTO shaft it is important that the spring activa...

Страница 33: ...maintain 1 40mm clearance when operating in the shortest working position Shorten inner and outer guard tubes equally Shorten inner and outer sliding profiles by the same amount that the shield tubes...

Страница 34: ...G TOO HIGH Blades bent up Blade Carrier bent Blades on upside down Replace Blades Straighten or replace Blade Carrier Turn Blades right side up and tighten MOWER VIBRATES Blade locked back Drivelines...

Страница 35: ...intenance TUBE BROKEN IN WELDED SEAM Over loaded Replace part Check Slip Clutch is not frozen or seized See Clutch Maintenance YOKE BROKEN AT EAR TIP Over loaded Replace part Check Slip Clutch is not...

Страница 36: ...al No Oil Seal Oil too light Bent Shaft Oil Seal race rough Oil Seal installed incorrectly Oil Seal not sealing in housing Bearings loose Vent Plug stopped up Oil level too high Gasket damaged Bolts l...

Страница 37: ...details of the frequency at which these points should be lubricated under normal working conditions severe or unusual conditions may require more frequent lubrication Use SAE multi purpose lithium ty...

Страница 38: ...ue if required Recommended lubricants for the Gearbox are Exxon Spartan EP220 Mobil HD 80W90 or equivalent Required lubricant is a SAE 90 or SAE 80W90 with EP additives for extreme pressure and temper...

Страница 39: ...ir turn the three Nylon Bolts through a turn in the Shield Slots of the Cone and Tube and remove them Slip the Shield Cone Assembly off the inner section of the Driveline and install the new or repair...

Страница 40: ...ation which can damage gearbox bearings Vibration may also cause structural cracks in the Mower housing Use only Original Equipment Blades on this Mower They are made of special heat treated alloy ste...

Страница 41: ...the nut until the blade carrier is loosened Use a suitable 2 jaw gear puller to pull the carrier off the tapered gearbox shaft If gear puller is not available a long bar can be utilized by inserting...

Страница 42: ...d DO NOT RE USE TO CLEAN AND INSPECT Inspect all components for rust wear or damage Check Spacer 8 for scoring or excessive wear Clean Clutch Plates and Drive Plates with a wire brush as required to r...

Страница 43: ...are in good repair and rotate freely on the Drivelines Replace Bearings and or Integral Shields if necessary Re install Gearbox Canopy Shields with their fixings and tighten securely Spring Clutch Co...

Страница 44: ...ly turn each then turn each again Mark Plates and Disks as described in the previous section on Frozen Clutches With PTO engaged and the tractor running at HALF THROTTLE let clutch out rapidly to pop...

Страница 45: ...0 3350 4550 0 TORQUE VALUES FOR METRIC BOLTS Bolt Dia ft lb Nm ft lb Nm ft lb Nm ft lb Nm 6mm 4 5 6 1 8 5 11 5 12 16 3 14 5 20 0 8mm 11 14 9 20 27 1 30 40 1 35 47 5 10mm 21 28 5 40 54 2 60 81 4 70 95...

Страница 46: ...ted to prevent injury to hands and feet due to inadvertent dropping or falling over Always wear Safety Glasses and Gloves to prevent eye and hand injury when chiseling or hammering on metal components...

Страница 47: ...e gearbox on appropriate work surface Remove the eight bolts that retain the input housing hub Remove hub assembly from main housing Note quantity and thickness of shims between hub and main housing R...

Страница 48: ...n before starting to reduce the possibility of dirt or grit getting into components during assembly STEP I Install spacer 4 gear 3 and bearing cones 8 onto the shaft If any shims were present between...

Страница 49: ...s GEARBOX DISASSEMBLY Remove eight bolts 18 from input shaft bearing housing 15 Tap around circumference of bearing housing 15 to loosen housing and shims Remove housing it may be necessary to pry the...

Страница 50: ...nd on a solid surface to remove lower bearing 5 Repeat procedure for opposite end of shaft Replace worn parts and assemble in reverse order LOWER BEARING RETAINER CAP Remove old seal 2 from cap 1 and...

Страница 51: ...ound the threaded end of the output shaft and attach an 8 lb 3 6kg weight to the string If the weight will rotate the shaft then preload must be increased by removing a shim 3 and then rechecking Chec...

Страница 52: ...semble adjusting nut and tighten to ensure that all parts are seated Then loosen the adjusting nut until a rolling torque of 10 to 12 inch pounds 1 1 to 1 36 Nm is reached Insert cotter pin through sh...

Страница 53: ...36 FOR NOTES...

Страница 54: ...McConnel Limited Temeside Works Ludlow Shropshire SY8 1JL England Telephone 01584 873131 Facsimile 01584 876463 www mcconnel com...

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