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Maintenance

Annual

Maintenance

Lastec//021819

5-5

5

5.8

Annual



Replace gearbox shaft seals.



Change the gearbox oil

(28 ounces SAE 80W-90 Grade Gear Oil).



Replace deck pivot pins and bushings.



For your convenience, Lastec has developed a complete Rebuild Kit for your Articl-
uator. The 721XR/721XRT kit number is 040220. The 521XR kit number is 029600.
Although this kit is optional, Lastec recommends the installation of this kit as an
annual maintenance program.



If installing the 040220 Model 721XR/721XRT Deck Drive Rebuild kit, or the 029600
Model 521XR Deck Drive Rebuild kit, complete the 8, 50, 200 & 500 Hour Mainte-
nance Checklists.

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Содержание 721XRT

Страница 1: ...Lastec Articulator Model 721XRT Owner s Manual Manual Part Man 721XRT ...

Страница 2: ... manual may be reproduced in any form by any photographic electronic mechanical or other means or used in any information storage and retrieval system without written permission from Lastec LLC 8180 W 10th Street Indianapolis IN 46214 Phone 317 892 4444 Fax 317 892 4188 www lastec com ...

Страница 3: ...This Manual 2 4 2 4 Safety Guards And Covers 2 5 2 5 Preoperational Safety Rules 2 6 2 6 Operational Safety Rules 2 7 2 7 Maintenance Safety Rules 2 10 2 8 Storage Safety Rules 2 11 2 9 Hazard Identified Chart 2 12 SECTION 3 INITIAL SET UP 3 1 3 1 Assembly Instructions 3 2 3 2 Mounting The Articulator To The Tractor 3 4 3 3 Hose Spring Installation 3 7 3 4 PTO Shaft Range Verification 3 7 3 5 Gear...

Страница 4: ...g In Reverse 4 7 4 7 Cutting Extreme Contours 4 8 4 8 Cutting Wet Grass 4 8 SECTION 5 MAINTENANCE 5 1 5 1 Mower Deck Leveling Adjustment 5 2 5 2 Every 8 Operating Hours 5 3 5 3 First 8 Hours 5 4 5 4 First 50 Hours 5 4 5 5 Every 50 Operating Hours 5 4 5 6 Every 200 Operating Hours 5 4 5 7 Every 500 Operating Hours 5 4 5 8 Annual 5 5 5 9 Articulator Specifications 521XR 721XR 721XRT 5 6 5 10 Articul...

Страница 5: ...Lastec 021819 1 1 1 SECTION 1 TO THE OWNER ...

Страница 6: ... Articulator when children are present The information presented herein will prepare you to operate the Articulator in a safe and knowledgeable manner Proper opera tion of the Articulator will provide a safer working environment and promote higher quality more efficient results Keep this manual at hand at all times for ready reference The designed and tested safety of the Articulator is dependent ...

Страница 7: ...tec com or located in the back of this section This form must be completed and returned to the fac tory within fifteen 15 days of purchase in order to validate the warranty Please do not hesitate 1 3 If You Need To Order Parts To order parts contact your distributor Be sure to have your model and serial number available as a reference This will assist them in supplying you the correct and most cur...

Страница 8: ... under warranty at the warrantor s discretion After ninety 90 days component fail ure as a result of loose hardware is no longer covered under further warranty from warrantor Warrantor agrees to warrant for a period of ninety 90 days from date of purchase to any original purchaser who is a rental yard lease based business or temporary use facility that the equipment manufactured by warrantor and a...

Страница 9: ...sales aids shall constitute a warranty or other basis for any legal action against warrantor THE ORIGINAL PURCHASER ANY PERSONS TO WHOM THIS EQUIPMENT IS TRANFERRED AND ANY INTENDED USER OR BENEFICIARY OF THIS EQUIPMENT SHALL NOT BE ENTITLED TO RECOVER ANY CONSE QUENTIAL OR INCIDENTAL DAMAGES FROM WARRANTOR FOR ANY REASON WHATSO EVER INCLUDING WARRANTY OR DEFECT IN THE PRODUCT Warrantor does not w...

Страница 10: ...neered and manufactured to provide safe dependable and satisfactory service As with all other mechanical equipment the Articulator requires routine inspection cleaning and maintenance When servicing the Articulator be sure to use only genuine Lastec parts Utilization of substitute parts will not only void the warranty but may also cause unsafe or unsatisfac tory operation of the Articulator due to...

Страница 11: ... of purchase Mower Model How did you hear about Lastec Who referred you to Lastec Date Purchased Distributor Dealer Purchased From How Did You Hear About Us Your Lastec Mower Average Operating Hours Total Acreage Cut Customer Profile Information I have read and understand the warranty policy and maintenance sections of the operators manual for the machine described below Who was the salesman that ...

Страница 12: ......

Страница 13: ...Safety Information Safety Information Lastec 021819 2 1 2 SECTION 2 SAFETY INFORMATION ...

Страница 14: ...l equipment hazard Failing to properly adhere to the instructions rules or procedures may result in personal equipment malfunction damage or destruction The above illustrated symbols are displayed throughout this manual in order to indicate important safety information When one of these symbols appears in this manual be aware of a potential hazard being discussed in the accompanying paragraphs Haz...

Страница 15: ... and Symbols Safety Information Lastec 021819 2 3 2 Caution Rotating Blades Keep Hands and Feet Away from Blades Keep Covers Locked Down Pinch Point Read the Manual Remove the Key Rotating Parts Rotating Shaft Stay Away Thrown Objects ...

Страница 16: ...s in this manual as well as all safety rules for any related equipment Although these instructions have been compiled through extensive field experience and engineering data some information presented herein may be general in nature due to unknown and or varying operating conditions However these instructions combined with your increasing experience with the deck will enable you to develop procedu...

Страница 17: ...er operate the deck without all covers shields safety devices and grass chute or mulching plate installed and secure Safety is a primary concern in the design and manufacture of all Lastec products Unfor tunately our extensive efforts to provide safe equipment can be negated by a single care less act of an operator In addition to the design and configuration of the deck hazard control and accident...

Страница 18: ... the entire operator s manual to operate the deck Always wear relatively tight and belted clothing to avoid entanglement in moving parts Wear sturdy rough soled work shoes as well as protective equipment for the eyes hands hearing and head Never operate the deck or related equipment in bare feet sandals or sneakers Clear the cut area of stones branches balls or other debris that may be thrown and ...

Страница 19: ...uring operation WARNING ALWAYS work safely Follow all safety rules A careful opera tor is the best insurance against accidents ALWAYS clear area of all personnel before operating the deck Only allow persons who have read and understand the entire operator s manual to operate the deck Be sure that the parking brake is set before attempting to start the engine Operate only in daylight or good artifi...

Страница 20: ...nd deck Use extreme care and maintain minimum ground speed when transporting on a hill side or over rough ground and when operating close to ditches fences or water Reduce speed on slopes and in sharp turns to minimize potential tipping or loss of control Use caution when changing directions on slopes Be alert for holes in the terrain as well as any other hidden hazard Always drive slowly over rou...

Страница 21: ...ended If your drive unit is equipped with headlights and hazard lights always activate them whenever crossing or accessing any roadways driveways or parking lots Watch for oncoming traffic Handle fuel with caution it is explosive Always use approved fuel containers never handle fuel near an open flame never use fuel as a solvent never fuel the drive unit while the engine is running or hot never fu...

Страница 22: ...head and ear pro tection when performing any service or maintenance to the drive unit or deck Keep the drive unit engine area free of accumulated debris fuel or excess grease and oil to reduce fire hazard Keep the deck in good operating condition with all safety devices in place Check the blades frequently Verify that they are sharp free of nicks and cracks and securely fastened Periodically tight...

Страница 23: ...hildren Never allow extended running of any engine indoors Exhaust fumes are deadly Never store drive unit with fuel in the tank inside a building where fumes could reach an open flame or spark Allow the drive unit engine to cool before storing in an enclosed area Remove all accumulated debris from the drive unit and both the top and bottom of the deck before storing Sand chipped or scratched area...

Страница 24: ... using a PTO Guards are not in place Warning decals stating guards must be in place Physical guards around belts pulleys and shafts Clear warning in manual Danger of dismemberment Cutting blades Warning decals Clear warning in manual Physical guards around blades Clear prohibitions outlined in manual Danger of projectile strike Ejected debris from cutting blades Warning decals Clear warning in man...

Страница 25: ...Lastec 021819 3 1 3 SECTION 3 INITIAL SET UP ...

Страница 26: ...w arm NOTE The tow arm is shipped assembled but not tightened 3 Secure the hydraulic cylinder to the tow arm with the provided pins and flat washers as shown above NOTE After the tow arm is installed to the deck and the tractor the jack should be moved to the mowing posi tion on top of the deck assembly 721_071 3B Bolt Bolt Hex Nut Hex Nut Bolt Bolt Flat Washer Flat Washer Retaining Pin Retaining ...

Страница 27: ...to the hydraulic cylinders as shown below 721_074 2B To Traction Unit 029238 Hose Assembly 1 4 Hydraulic x 100 Long 029240 Hose Assembly 1 4 Hydraulic x 80 Long 028368 Hose Assembly 1 4 x 36 7 8 Hydro 028369 Hose Assembly 1 4 x 42 7 8 Hydro 100 80 42 7 8 36 7 8 EXTEND TRANSPORT POSITION RETRACT MOW POSITION ...

Страница 28: ...tor on level ground Raise the 3 point hitch to avoid contact with the PTO during the mower operation 2 Turn off the tractor disengage the PTO shift the transmission into neutral and set the parking brake Remove the key from the ignition 3 Mount the Articulator tow arm to the tractor using the provided hex head bolt hex nut and washers NOTE Make sure the distance limits do not exceed the limits sho...

Страница 29: ...tor Initial Set Up Lastec 021819 3 5 3 NOTE Lastec offers two 20 draw bars that can be used to mount the tow arm to the trac tor See below for draw bar part numbers and specifications 107667 Draw Bar 1 1 4 x 20 107670 Draw Bar 1 1 2 x 20 721_079 721_080 ...

Страница 30: ...tractor These prevent the outer guard from turning with the PTO shaft for safety purposes NOTE The Articulator can be operated within the maximum 80 degree turning range in each direction to allow a minimum 2 clearance between the tractor tire and the Articula tor tow arm 6 Complete the entire Initial Set Up section of this manual before attempting to operate the Articulator 721_071 1B Max 80 Max ...

Страница 31: ...the tractor 3 Drive the tractor up a mound or across a ditch Stop at the point where the tractor is headed up a mound and the Articulator is headed down an opposing mound at the point where the PTO shaft will span the valley of the two mounds with the tractor and Articulator at their closest point This should represent your maximum PTO shaft compression 4 Reconnect the PTO shaft to the tractor 5 I...

Страница 32: ...PTO You will need to either install a longer PTO shaft or avoid this area when cutting 11 If installing a longer PTO shaft re check your maximum PTO shaft compression 3 5 Gearbox Check the oil level and condition in the gearbox The oil level should be 1 4 to 3 8 below the bottom edge of the side plug The gearbox should be approximately half full 28 ounces Add oil if low If the oil appears excessiv...

Страница 33: ...l bolt going through the ball joint and into the cam adjustment nut Do not remove the bolt Pull out the deck adjustment cam nut to clear the stop block Rotate the cam to the desired position to level the deck Tighten the central bolt Note that the stop block prevents the cam adjustment nut from rotating out of position Adjusting these decks may have an effect on Decks 6 and 7 Check for proper leve...

Страница 34: ...omplished by using the turnbuckle of the deck height adjustment chain as described in the following section Mower Deck Height Adjustment Replacing Wheels If one wheel is replaced the wear level of the surrounding tires may cause the deck to cant in one direction Leveling the decks due to a tire replacement may be necessary Spacers on the wheel yoke assembly may be rearranged to accommodate the new...

Страница 35: ... raise the deck by the corresponding thickness of the spacer s used Example 1 1 spacer and 2 1 4 spacers placed below the wheel yoke collars will set the mower deck to 2 1 2 Change the mower deck height on the center rear decks decks 4 5 by moving the spacers on the deck height chains from below to above the retaining plate There are 3 knurled spacers each indicating 1 increments and 12 plain spac...

Страница 36: ...belt tension after 2 hours of operation Check all belt tension adjustment hardware after the first 8 hours of operation The overall life of the Articulator drive and deck belts is most greatly affected by the atten tion given them within their initial 8 hours of use than at any other time Properly adjusted the belts can perform over 1000 hours of service Improperly adjusted they can fail within a ...

Страница 37: ...r This will help prevent damage to the equipment fire hazard and projectile hazards Be sure to replace the belt cover and hardware 3 9 Deck Belts and Alignment WARNING NEVER inspect adjust or change the deck drive belts while the tractor is running Always clean the entire deck including under the belt covers of all grease oil fuel grass or debris to prevent fire or projectile hazards CAUTION When ...

Страница 38: ...ront three decks decks 1 2 and 3 Adjust the pivot slide bars located on the main deck common legs Adjusting the slide bar in swings the outer front deck outward away from the main deck Adjusting the slide bar out swings the outer front deck inward toward the main deck Align the decks so that the wheels are parallel to one another and aligned with the tractor tires Wheel misalignment causes prematu...

Страница 39: ...ALWAYS disengage the blades turn off the tractor remove the key and set the parking brake before attempting to inspect adjust change or perform any other maintenance to the blades Keep all personnel clear of all controls while inspecting adjusting changing or perform ing maintenance to the blades Inspect all blades for proper installation orientation tightness sharpness and overall condition Be su...

Страница 40: ...on If any wheel does not swivel freely clean and grease the shaft collar assembly Replace the bushings if necessary Replace any worn or damaged tires 3 12 General Verify that all warning decals are in place visible and legible Verify that all covers and safety devices are properly installed and fastened Check that the discharge chute is clear of debris properly mounted and in good condi tion Inspe...

Страница 41: ...nter deck area including under the belt cover of all grease oil fuel grass or debris Be sure to replace all covers shields and guards Check all deck belts for proper tension Align front decks 1 2 and 3 Align outer decks 6 7 Clean each entire deck area including under the belt covers of all grease oil fuel grass or debris Be sure to replace all covers shields and guards Inspect all blades for prope...

Страница 42: ......

Страница 43: ...Lastec 021819 4 1 4 SECTION 4 OPERATING PROCEDURES ...

Страница 44: ...ft unit enables remote folding and safe transpor tation of the Articulator As with all industrial equipment improper operation of the hydrau lic lift unit may result in damage to equipment serious personal injury or fatal injury Follow the instructions carefully when operating the lift unit DANGER Never engage the PTO with the decks raised Never raise the decks with the PTO engaged Never operate t...

Страница 45: ...safety cables 721XR 721XRT only 7 The Articulator is now ready for transport 8 Upon arriving at the work area activate the hydraulics lowering the Articulator Lower the decks until the hydraulic cylinders are fully extended on the wing decks 721XR 721XRT and retracted on the main frame The cylinders on the outside two decks should be com pletely extended and centered in the slots on the front deck...

Страница 46: ...signed specifically for finish mowing applications One of the unique benefits of the Articulator s cutting system is its ability to float over contours that are impossible for other wide area mowers to cut accurately The Articulator offers a high level of maneuverability Although the Articulator is an industrial quality mower do not attempt to use it to cut extremely long grass or areas heavy with...

Страница 47: ...e tractor on a low RPM setting DO NOT ENGAGE THE PTO WITH THE TRACTOR AT HIGH IDLE Engage the PTO If there is any belt squeal excessive vibration or any indication of obstructions or debris in the blades disengage the PTO at once If the Articulator appears to be operating correctly slowly increase the tractor engine speed until the PTO shaft is operating at the tractor manufacturer s recom mended ...

Страница 48: ...s are evident lift created by the cutter blades can be reduced decreasing the abrasion wear to the cutter blades and deck caused by sand The Low Lift Blade will also help reduce cutter deck blowout during the conditions stated above High Lift Blade Part No P128 High Lift Blade is recommended for cool season grasses and cut heights of 2 and above unless in sandy conditions These blades are shipped ...

Страница 49: ...peed is acceptable for wide open flat areas a slower ground speed is required for rough or contoured areas Always adhere to the tractor manufacturer s recommended ground speed range when operating the Articulator 4 6 Cutting In Reverse WARNING Always ensure the area behind the tractor is clear of people or obstacles before backing the Articulator and tractor Be sure entire area around the tractor ...

Страница 50: ... contours always use a tractor equipped with a ROPS and always wear your seat belt Following are important guidelines to follow when cutting extreme contours or side hills Never exceed the tractor manufacturer s maximum side slope ratings Always use a tractor equipped with a ROPS Always wear your seatbelt Do not operate the Articulator in areas which are so extremely contoured that it causes the P...

Страница 51: ...Lastec 021819 5 1 5 SECTION 5 MAINTENANCE ...

Страница 52: ...ervals 5 1 Mower Deck Leveling Adjustment The mowing decks come leveled from the Lastec factory Should the decks require reset ting during the course of maintenance an eccentric cam in the ball joint of the deck pivot assemblies can be adjusted to level the decks Decks 1 and 3 attach to the deck cross tube by sliding pivot ball joints that can be adjusted by setting the cam position of the deck ad...

Страница 53: ...r leaks Verify that the split tapered bushing bolts mounted in the drive pulley under the gearbox are tight Torque to 96 120 in lbs Lubricate all joints and moving parts which are not equipped with grease fittings Recommend the use a nickel based anti seize for these areas Inspect entire Articulator for loose or entangled parts debris obstructions mis placed tools or any other possible safety haza...

Страница 54: ...es from the weep hole in the side of the bearing housing Inspect all bushings for wear Replace as needed Inspect gearbox pivot stop bolts wear pad and bushings Replace or adjust as needed Check and clean if necessary any debris that may have accumulated during operation Check gearbox lube level and condition 5 6 Every 200 Operating Hours Change the gearbox oil 28 ounces SAE 80W 90 Grade gear oil 5...

Страница 55: ...tec has developed a complete Rebuild Kit for your Articl uator The 721XR 721XRT kit number is 040220 The 521XR kit number is 029600 Although this kit is optional Lastec recommends the installation of this kit as an annual maintenance program If installing the 040220 Model 721XR 721XRT Deck Drive Rebuild kit or the 029600 Model 521XR Deck Drive Rebuild kit complete the 8 50 200 500 Hour Mainte nanc...

Страница 56: ...22 5 21 Low Lift Ultra 063265 Blade Tip Speed Max 16 600 FPM Paint Red 12 oz spray P299 Black 12 oz spray L07467 Mower Deck Height Range 1 to 4 3 4 Operating Environment Outdoor Use Only Mower Deck Gauge Wheels 13 9 x 3 Urethane FIlled 721XR 721XRT Only A150 9 9 x 3 Urethane FIlled 521XR Only A150 Transport Tires 2 15 x 6 Urethane Filled 029261 Mower Deck Drive Belts Belt Goodyear Insta Power 8561...

Страница 57: ... Hazards Perform the Appropriate Maintenance Procedures Listed In Your Tractor Manual Verify grass chutes cleared Clean lube retighten all guide wheels Lubricate the PTO Quick Disconnect Pin or Twist Sleeve Check deck alignment and belt tension Check drive belt alignment Inspect gearbox pivot stops wearpads and bushings Clean off any debris that has accumulated Inspect gearbox and seals fopr leaks...

Страница 58: ...1 18 10 16 9 14 8 in lbs Nm in lbs Nm in lbs Nm in lbs Nm in lbs Nm in lbs Nm in lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm ft lbs Nm 20 2 3 24 2 7 35 4 0 40 4 5 50 5 7 95 10 7 95 10 7 17 22 6 20 27 1 30 40 7 35 47 5 50 67 8 55 74 6 75 101 7 85 115 3 105 142 4 115 155 9 150 2...

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