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Содержание MM52

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Страница 3: ...number of your mower Model MM52 Rotary Mower Serial Number see Safety Decal page for location Provide this information to your dealer to obtain correct repair parts Throughout this manual the term NOTICE is used to indicate that failure to observe this instruction can cause damage to equipment The terms CAUTION WARNINGand DANGERare used in conjunction with the Safety Alert Symbol a triangle with a...

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Страница 5: ...le to your particular situation The illustrations and data used in this manual were current at the time of printing but due to possible in line production changes your machine may vary slightly in detail We reservethe right to redesign and change the machine as may be necessary without notification m Some Illustrations In this manual 1 show the mower with safety shields removed to provide a better...

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Страница 7: ...CK i LEVELING MOWER DECK INSTALLING DECK BELT i DETACHING MOWER 25 PRE OPERATION CHECKS 27 CLEANING MOWER DECK EXTERIOR DECK DRIVE BELT 5 CHECKING BLADE CONDITION ADJUSTING CUTTING HEIGHT LOWERING SPEED ADJUSTMENT 31 OPERATIONS 32 STARTING STOPPING z MOWING CUTTING PATTERNS MAINTENANCE 34 LUBRICATION INFORMATION SERVICING THE BLADES SPINDLE REPAIR 39 REPLACING THE BELTS CLEANING MOWER DECK z STORA...

Страница 8: ...ithin the limitations explained in this manual Training l Safety instructions are important Read this manual the tractor manual and all safety rules l Know your controls and how to stop tractor engine and mower quickly in an emergency l Operators must be instructed in and be ca pable of the safe operation of the equipment its attachments and all controls Do not allow anyone to operate this equipme...

Страница 9: ...ower unless discharge chute is installed Keep bystanders away from equipment while it is in operation Never direct discharge toward anyone Operate only in daylight or good artificial light Keep hands and feet away from mower while tractor engine is running l Stay clear of all moving parts l If your tractor is equipped with a ROPS you must wear your seat belt l No riders are allowed on tractor or m...

Страница 10: ...operator control area while performing adjustments service or maintenance l Frequently check blades They should be sharp free of nicks and cracks and securely fastened l Use a new Nylok blade bolt when you replace the blade Do not substitute any bolt for the special blade bolt It is self locking meeting the non loosening requirements for this applica tion l Your dealer can supply genuine replaceme...

Страница 11: ...SAFETY INFORMATION Safety Decals Replace immediately if damaged KEEP AWAY THROWN OBJECTS OR BLADE CONTACT CAN CAUSE SERIOUS INJURY OR DEATH KEEP DISCIIARQE CHUTE AND SHIELDS IN PLACE 7 ...

Страница 12: ...n the assembly instructions Select a suitable working area Open parts boxes and lay out parts and hardware to make location easy Refer to illustrations accompanying text parts lists and exploded view drawings m Always wear relatively tight and b lted ckthlng to avoid entanglement In moving parts Wear sturdy rough soled work shoes and protective equipment for eyes hands hearing and head rklng under...

Страница 13: ...straps holding parts box Packing list is contained in both the crate holding the mower and in the parts box in the crate Before assembling check for missing or damaged parts Install with the tractor on level ground Lock the parking brake set the transmission lever in N Neutral and the front and rear PTO levers in the OFF positions Parts in Lift Linkage Box Parts in Hardware Bag 9 ...

Страница 14: ...l linchpins are properly installed 4 Lubricate all grease fittings check to make sure a small amount of grease comes out of seal 5 Check that blades have been properly installed Delivery Check List Dealer Responsibility 1 Check mower attitude and belt alignment 2 Check that mower lift is properly adjusted See Assembly instructions 3 Show customer how to make adjustments 4 Explain importance of lub...

Страница 15: ...1 Remove and retain the lower front PTO cover by removing the six 8 x 16 flange bolts 2 Install the drive pulley comes with tractor on the front PTO shaft using special 8 x 20 mm flange shouldered bolt Tighten the bolt to 2 2 kg m 16 lb 3 Position the front tensloner bracket on the frame beneath the front PTO Install left side from operator s point of view using two 8 x 16 mm flange bolts removed ...

Страница 16: ...inserts into projecting bracket on tractor frame 5 install the front hitch pivots onto the frame from the inside may already be installed install the tensioner guard on the frame from the outside as shown Front hitch pivots insert through bracket from inside and retain tensioner guard 6 Loosen the six 8 x 20 mm flange bolts fastening the right and left link pivots Slide the lift link shaft through...

Страница 17: ...rew on both ends of cievis to same depth so that in adjusting one end does not come loose Adjust the length of the deck lift rod to 379 382 mm 149 l 5 0 in measured eye to eye 4 Lubricate the lift arm pin with grease then insert the threaded end of the lift arm pin through the front link arm and install the lock nut on the end of the pivot Tighten the lock nut securely 5 6 Slide the lift link asse...

Страница 18: ...ill apply pressure to keep discharge cover down Tap discharge adapter pin through the spring and the rest of the channel Secure with spring pins install rubber bumper onto stopper post welded to front top of mower deck using 1 4x3 4 bolt and fiatwasher RUBBER BUMPER k installing Rear Deck Links Install the rear deck links on rear brackets of mower deck as shown Rear deck links install so that the ...

Страница 19: ... with a 112in lock nut Insert the wheel supports into the wheel support brackets on the rear of the mower deck Retain the wheel brackets with locking pins in the 2 112 in position 3 Remove wood block from rear of mower and lower until wheels touch Raise front edge of mower and insert wood block to support it Keep fingers and feet from underneath mower deck until firmly supported 4 Assemble the two...

Страница 20: ...and disconnect the spark plug caps 3 4 Turn the steering wheel to the extreme left to allow clearance for the mower deck To avoid obstructions make sure rear deck links are I forward towards front of mower Roil and push the mower deck under the tractor from the right side return the steering wheel to the straight ahead position Return lift arms to down position to complete hookup of mower Turn the...

Страница 21: ... iinchpins Attaching Front Deck Links To Mower 1 Turn the two clevis to adjust the length of the front deck links to 280 282 mm 11 0 l 1 l in measured from eye to eye then tighten the lock nut securely 2 Raise the front of the mower deck a few inches with steel pry bar block of wood or jack to align the holes in the links and brackets 3 Fasten front link to mower deck by inserting cievis on projec...

Страница 22: ...ck lift plate to the lift arms installed earlier on the lift arm shaft as sembly Lift arms will be directly above the lift plate Maneuver the mower deck lift plate over the projecting stud on the lift arm Secure with 5 8 in plain washer and lock pin install the left mower deck lift plate the same way Attaching Front Link Protector Position the front link protector on link arms Insert clevis pin th...

Страница 23: ...port If not raise the mower deck with the Lift Selector lever set to UP 3 When lift arms are fully raised turn the Lower ing Speed Adjusting knob fully clockwise to lock the deck in position 4 Stop the engine and remove the key adjust wheels to the 2 5 in position 5 Return the Lowering Speed Adjusting knob to its original position lower the mower deck fully m if the Lift Selector Lever is set to V...

Страница 24: ...height should be the same for left and right blades 2 If distance at front of blade tip is too great or too small adjust as follows Perform this before connecting drive belt Tip up front of deck with steel pry bar and support front of deck with wooden block 3 Remove the linchpin and clevis pin from the right and left front links Loosen the nuts which hold the clevis tight Turn both cievis an equal...

Страница 25: ...e belt stoppercollars on each side of the tensioner frame using 8 x 45 mm flange bolts Tighten bolts to 2 2 Kg m 16 ft lb NOTE Check that the belt is properly installed on the pulley with a 90 twist between the drive pulley and the idler pulley Be sure the V of the belt goes in the V of the pulley 5 Reconnect spark plugs Start the engine move the hydraulic cylinder selector lever if so equipped to...

Страница 26: ... 109 mm 4 3 in shorten the mower deck lift plates to raise the deck higher When raised to the maximum position the mower should be 109 l 13 mm 4 3 4 5 in off the ground Measure both sides to be sure they are equal If shortening the mower deck lift plates is necessary lower deck by moving Lift Selector Lever to DOWN Mower will descend as the Lowering Speed Adjusting knob is turned counterclockwise ...

Страница 27: ...to turn it 2 Turn the rod clockwise to tighten thus increas ing the lift height of the deck Turn it counter clockwise to loosen After adjustment tighten the lock nuts securely 3 Do not shorten the mower deck lift rod to less than 379 mm 14 9 in when first adjusting deck If the height of the mower blade is below 109 mm 4 3 in when the mower deck lift rod is 379 mm 14 9 in long first use the mower d...

Страница 28: ...ft Link Rod 1 Check that the distance between the end of the rod and the bottom washer is 27 29 mm 1 0 l l in 2 To adjust loosen the lock nut and turn the adjusting nut After adjustment retighten the lock nut securely 24 ...

Страница 29: ...k Stop engine remove key disconnect spark plugs 4 Remove mower deck drive belt from driven pulley on deck by removing front tensioner belt stopper belt stopper collar and loosening front tensioner adjusting knob Remove belt from front tensioner to create slack for driven pulley Sea Maintenance section for detailed description 5 Remove lock pins holding front deck lift plates and slip lift plates o...

Страница 30: ... bracket on deck Lower deck to ground Remove linchpins and link shaft 8 Pull lock pin holding rear deck links to rear deck link shaft Use drift pin to tap out rear deck link shaft Lower rear deck links to deck as shaft is withdrawn 9 Turn steering wheel to extreme left Pull mower deck from right side of tractor 26 ...

Страница 31: ...run the engine in an enclosed area Be sure to provide adequate ventilation Exhaust contains poisonous carbon monoxide gas that may cause loss of consciousness and lead to death CLEANING MOWER DECK EXTERIOR 1 Check that the mower deck is lowered fully 2 Remove grass and other foreign matter from the mower deck DECK DRIVE BELT Lower the mower deck fully remove the ignition key and disconnect the spa...

Страница 32: ...he base of its upturned edge Push the Lii Selector lever toward DOWN to be sure that the mower deck is locked in the fully raised position Mower should not de scend 3 Set Lii Selector lever back to NEUTRAL m To avoid personal injury 9 a l Remove the ignition key to prevent acci dental starting l Wear heavy gloves to protect your hands from the mower blades l Place a block under the mower deck to p...

Страница 33: ...ls you can remove and install the blade yourself Use a genuine HONDA replacement blade or equivalent To reduce the possibiiity of weakening the blade or causing imbalance or poor cutting performance sharpening should be per formed by an authorized HONDA Muiti purpose Tractor dealer 5 When you have completed the blade inspec tion return the Lowering Speed Adjust knob to its original position m if t...

Страница 34: ... the engine and remove the ignition key m Be sure all moving parts have t A stopped before adjusting cutting height Contacting moving parts can cause injury 6 Remove the locking pin from the gauge wheel and set the wheel for the desired cutting height 7 Repeat the adjustment procedure for the other gauge wheel NOTE Both gauge wheels must be set to the same height 8 If necessary remove the nut and ...

Страница 35: ...knob Adjustment is normal if it takes l 2 seconds for the mower deck to lower from the highest position to the ground 2 Turning the knob clockwise toward SLOW will decrease the speed and turning it counter clockwise toward FAST will increase the speed NOTE Uneven mowing may result if the descent speed is too slow 31 ...

Страница 36: ...help to expose any hidden obstacles When you are sure that the area is completely cleared mow again at the desired height m if the tractor should accidentally get caught on an unseen object rock root hole etc do not attempt to ride over the obstruction or turn the steering wheel to free the mower These actions can damage the steering mechanism or the deck Mowing Tips 1 Mow at full throttle for bes...

Страница 37: ... the upper half of the area Cut the grass in the remaining half in a counter clockwise direction Mowing unsquars areas If your mowing area is not square or four sided divide the area into several blocks so you can mow In a neat mowing pattern Overlapping on straightaways Be sure that each mowing lane overlaps suffi ciently The recommended overlap width is be tween 4 6 inches or approximately the w...

Страница 38: ... addition to the lubrication points shown at least once a year oil the mower lift pivot points 4 Use a good quality SAE Multipurpose grade grease at grease fiiing locations Be sure to clean fiiings thoroughly before attaching grease gun 5 Use SAE 30W oil in areas without grease fiiings Maintenance Schedule Periodic maintenance and adjustment are neces sary to keep the tractor in good operating con...

Страница 39: ... or even partially enclosed the air you breathe will contain a dangerous amount of exhaust gas If the engine must be run for any reason be sure the area is well ventilated l To avoid serious burns allow engine to cool before performing maintenance l Shut off engine and set the parking brake before performing any maintenance To prevent accidental start up remove the ignition switch key and disconne...

Страница 40: ... flat washer and blade The shoulder washer normally does not come off unless intentionally removed Blade Installation 1 Install the shoulder washer if removed 2 3 Check the orientation of the blade and make sure the cutting edge is positioned to lead in a clockwise rotation as viewed from the top of the mower Inspect the condition of the cup washers Replace the cup washers if they appeared burned ...

Страница 41: ...mower blade for damage or abnormal wear 1 Start the engine and raise the mower deck fully with the Lii Control Lever set to UP Turn the Lowering Speed Control knob fully clockwise to prevent descent Do not overtighten the knob 2 Stop the engine and remove the ignition key Block deck with wood block to prevent lower ing 3 Inspect each of the blades for cracks bending or signs of wear The right and ...

Страница 42: ...urned or have lost their clamping force Re place as necessary mend you install a new Nylok blade bolt when you replace the blade Do not substitute just any bolt for the special blade bolt It is self locking meet ing the non loosening requirements for this application 3 Install two cup washers on bolt 4 Install washer and blade on bolt 5 Install bolt and blade assembly into spindle m Your dealer ca...

Страница 43: ...nt the top of spindle housing is the short portion 2 To minimize wear bearing cups cones and sleeves are press fit to shaft and will require a press or similar device for removal 3 When disassembling support housing casting to prevent damage 4 Remove bearing cups by placing a punch in housing slots and drive cup out Alternate punch positions from side to side Use care to prevent housing damage 5 B...

Страница 44: ...and cups 6 Cup 7 Shaft Spindle Assembly Blade Spindle Disassembly 1 Support spindle in a press and push shaft down through housing 2 Remove seals from housing 3 Remove bearing cups from housing as de scribed in Spindle Repair Tips section 4 Remove bearing conefrom shaft 1 40 ...

Страница 45: ...ing adjustment is set by pressing sleeve against bearing cone until proper adjustment is attained 6 Install sleeve on shaft and press sleeve and bearing cone onto shaft until all bearing free play is removed and there is a slight drag similar to adjusting the front wheel bearings on an automobile Check by spinning spindle It should turn freely 6 Be careful not to over tighten bearings Proper beari...

Страница 46: ...ricant to top seal 2 and install with spring up away from center of housing Top seal should be flush with top of housing 15Lubricate spindle with a lithium grease of 2 consistency with a MOLY molybdenum disul fide additive Vent top seal with a blunt edged tool such as a letter opener while filling with grease Rotate housing on spindle shaft checking for free movement Blade Spindle Installation 1 I...

Страница 47: ...ental start up remove the ignition switch key and disconnect the spark plug caps before installing the mower Wear gloves when installing belt Be care ful Do not allow your fingers to be caught between belt and pulley Use care when installing or removing belt from spring loaded idler Springs store energy when extended and if released suddenly can cause personal injury I Remove belt stopper from fro...

Страница 48: ...y 5 Pull back on tensioner arm to release pressure on tensioner arm spring Unhook and remove tensioner arm spring Remove the spring pin holding the tensioner arm to mower deck Lii arm and remove allowing belt to slip free 6 Slip V belt off remaining pulleys 7 Install new V belt in the reverse order of re moval Start with the driven pulley in center of deck then install tensioner arm washer felt se...

Страница 49: ...and support deck firmly Clean off accumulated grass and other debris making sure to keep fingers away from blades iGJ NOTICE Do not use water or hose to clean ck just after mowing Water on hot blade spindle bearings will cause premature wear Wait until bearings have cooled 5 Install the mower back on the tractor NOTE After pushing deck under tractor and before installing make sure that lift arms a...

Страница 50: ...housing clean and free of accumulated grass clippings by washing it down with a hose after use and or cleaning it with a wire brush and scraper Remove any rust and apply a rust resistant paint Cleaning and rust prevention are especially important before seasonal storage m Washing the deck directly after use can cause premature bearing wear Allow the deck to cool before washing then run the deck to...

Страница 51: ...ma terial Clean all material from under mower 4 Belt or pulleys worn out 4 If belt rides in bottomof pulley groove either belt or pulley is worn and must be replaced 1 Belt misalignedor rubbingguide 1 Re align belt or guide Be sure belt doesn trub any other part while running 1 Damaged belt 2 Worn pulley groove 1 Lay belt flat on floor If belt does not lie flat has humpsor twists indicatingbroken ...

Страница 52: ...all 6 Engine speed too low 1 Use genuine HONDA blades or equivalent 2 Raise deck and adjust deck height properly 3 Operate at fullthrottle Use lower speed range Set mower deck higher than desired height for firstpass then cut to desired height on second pass 4 Allow to dry before cutting 5 Set mower deck higher than desired height for firstpass then cut to desired height on second pass 6 Run at fu...

Страница 53: ... height range Number of blades Blade length Left and center blade speed Rightblade speed Gauge wheels Deck lifting lowering Deck mounting 1050 mm 41 3 in 1675 mm 66 in I 1320 mm 52 in 120 kg 266 Ibs 1 l 2 in to 4 in 3 456 mm 18 in 3355 t pm 3700 rpm 2 152 4 mm 6 in diameter Hydraulic 4 point linkage 49 ...

Страница 54: ...satisfaction contact the Power Equipment Customer Service Department of American Honda Motor Co Inc AMERICAN HONDA MOTOR CO INC Power Equipment Customer Service Dept Duluth Georgia30136 9421 Telephone 404 497 6400 We will need the following information in order to assist you Your name address and telephone number Product model and serial number Date of purchase Dealer name and address Nature of pr...

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