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2261ADC Articulator
2273ADC Articulator
Owner's Manual
Manual Part #: Man-2261-73ADC
L
ASTEC
7865 N County Road 100E
Lizton, Indiana 46149
Phone (317) 892-4444 Fax (317) 892-4188
www.lastec.com

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Summary of Contents for Lastec 2261ADC Articulator

  • Page 1 2261ADC Articulator 2273ADC Articulator Owner’s Manual Manual Part #: Man-2261-73ADC ASTEC 7865 N County Road 100E Lizton, Indiana 46149 Phone (317) 892-4444 Fax (317) 892-4188 www.lastec.com...
  • Page 2 California to cause cancer, birth defects, and other reproductive harm. Lastec, 2006 Printed in the United States of America, all rights reserved. No part of this 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, Inc.
  • Page 3: Table Of Contents

    Read This Manual BEFORE Operating The Articulator .......... 1-2 Product Registration ....................1-3 If You Need To Order Parts ..................1-3 Lastec Product Warranty ................... 1-4 Component Manufacturers’ Warranties ..............1-6 Servicing The Articulator ..................1-7 Warranty Registration ....................1-8...
  • Page 4 Starting The Engine....................4-2 Stopping The Engine ....................4-3 Motion Control ......................4-4 Recommended Blades ....................4-5 Ground Speed ......................4-6 Mower Deck Operation ..................... 4-7 Mule Pulley Adjustment.................... 4-8 Anti-Scalp Wheel Adjustment (prior to serial #34660609) ........4-8 Lastec//020515 Table of Contents...
  • Page 5 Every 500 Operating Hours..................5-4 5.10 Annual ........................5-4 5.11 Bi-Annual ........................5-4 5.12 Maintenance Schedule....................5-5 5.13 Lastec Mower Specifications, 2261/2273ADC............5-6 5.15 Hydraulic System Diagram ..................5-8 5.16 Wiring Schematic, 2261/73ADC................5-9 5.17 Lubrication Points and Deck Belt Routing.............. 5-10 5.18 Urethane Bushings....................
  • Page 7: Section 1 To The Owner

    SECTION 1 TO THE OWNER Lastec//020515...
  • Page 8: Read This Manual Before Operating The Articulator

    Keep this manual on hand at all times for ready reference. The designed and tested safety of the Articulator is dependent upon its operation within the guidelines and limita- tions outlined in this manual. Always adhere to all the safety rules presented in this man- ual. Lastec//020515 To The Owner...
  • Page 9: Product Registration

    These numbers can be found on the serial number plate which is permanently affixed to the mower. You should now fill out the warranty registration form online at www.lastec.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.
  • Page 10: Lastec Product Warranty

    Lastec Product Warranty GOLF & TURF WARRANTY Lastec (“warrantor”), with its place of business at 7865 N. County Road 100E, Lizton, IN 46149 warrants as stated herein to the original purchaser (“purchaser”) for two (2) years or 2000 hours* of equipment use, whichever comes first, on parts and one (1) year of labor for equipment use from the date of purchase from Lastec (“warrantor”), that the equipment manufactured by warran-...
  • Page 11 Warranty Parts Return Lastec reserves the right to have parts returned that have been submitted for warranty. The ser- vice department will issue an RMA number. The part must be returned within 30 days of the requested return date. Parts not returned within 30 days of the RMA issue date will result in rejec- tion of claim.
  • Page 12: Component Manufacturers' Warranties

    Some of the component parts of your Articulator are warranted by their respective manu- facturers. These parts include: Engine  Clutch  The complete manufacturers’ warranty information for these components is available upon request. Contact your Lastec dealer if you have questions concerning warranties on these component parts. Lastec//020515 To The Owner...
  • Page 13: Servicing The Articulator

    Lastec parts, and has trained mechanics on hand. Be sure to complete the following Lastec Warranty Registration Form and return to Lastec within 15 days of the purchase of the Articulator. This will aid you, Lastec, and Lastec dis- tributor in warranting and servicing of your Articulator.
  • Page 14: Warranty Registration

    Do you own a Lastec Mower, and if so what model? How did you hear about Lastec? Who referred you to Lastec? Who was the salesman that assisted you? Please check the box to your left if you would not allow Lastec to use your company's name for marketing purposes.
  • Page 15: Section 2 Safety Information

    SECTION 2 SAFETY INFORMATION Lastec//020515...
  • Page 16: Warning Symbols

    Safety Decals and Symbols The following safety symbols are used on your Lastec Mower. Operators should become familiar with these symbols and heed the warnings where they appear on your Lastec Mower. Attention!
  • Page 17 Safety Information Safety Decals and Symbols 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! Safety Information Lastec//020515...
  • Page 18: About This Manual

    The illustrations and data used in this manual were current at the time of printing, but your Lastec Mower may vary slightly due to ongoing engineering changes. Lastec reserves the right to implement engineering and design changes to your Lastec Mower as may be nec- essary without prior notification.
  • Page 19: Safety Guards And Covers

    Unfortunately, our extensive efforts to provide safe equipment can be negated by a single careless act of an operator. In addition to the design and configuration of your Lastec Mower, hazard control and accident prevention are also dependent upon the awareness, concern, prudence and proper training of all personnel involved in the operation, trans- portation, maintenance, and storage of your Lastec Mower.
  • Page 20: Pre-Operational Safety Rules

     and all operators must be instructed in and capable of the safe operation of your Lastec Mower, its attachments, and controls! KNOW the controls and how to stop your Lastec Mower quickly in an emergency! Warning  READ this entire manual before attempting to operate your Lastec Mower! Only ...
  • Page 21: Operational Safety Rules

    Be sure that all auxiliary equipment switches (blades, headlights, etc.) are in the  OFF position before attempting to start the engine. If your Lastec Mower is equipped with a ROPS (Roll Over Protection System), be  sure to wear your seat belt.
  • Page 22 Safety Information Operational Safety Rules Never permit any person other than the operator to ride or board your Lastec Mower  at any time. Never allow riders! Never allow anyone near your Lastec Mower while operating. Be sure that the ...
  • Page 23 Safety Information Operational Safety Rules time you leave your Lastec Mower unattended. If your Lastec Mower is equipped with headlights and hazard lights, always activate  them whenever crossing or accessing any roadways, driveways, or parking lots. Watch for oncoming traffic.
  • Page 24: Maintenance Safety Rules

    Always use appropriate personal protection equipment such as eye, hand, head,  and ear protection when performing any service or maintenance. Keep your Lastec Mower engine area free of accumulated debris, fuel, or excess  grease and oil to reduce fire hazard.
  • Page 25: Storage Safety Rules

    Sand chipped or scratched areas and re-paint them to prevent rust during storage.  Grease all grease fittings and lubricate all moving parts of your Lastec Mower to  prevent rust during storage.
  • Page 26: Use Caution When Working With Batteries

    If electrolyte is spilled or splashed on any surface of the machine, it should be neutralized and rinsed with clean water. CAUTION! Do not overcharge the battery. Overcharging may reduce the overall service life of  Caution the battery. 1.Battery Council International, copyright 1987 2-12 Lastec//020515 Safety Information...
  • Page 27 5. Connect positive (+) booster cable to positive (+) terminal of discharged battery. 6. Connect other end of positive (+) cable to positive (+) terminal of assisting battery. 7. Connect negative (-) cable to negative (-) terminal of assisting battery. Safety Information Lastec//020515 2-13...
  • Page 28 STALLED VEHICLE, AWAY FROM BATTERY. 9. Start engine and remove cables in REVERSE order of connections. TO STARTER TO STARTER BOOSTER CABLE STARTING STALLED VEHICLE VEHICLE BATTERY BATTERY BOOSTER CABLE TO GROUND TO GROUND ENGINE BLOCK LT0013 FRAME 2-14 Lastec//020515 Safety Information...
  • Page 29: Hazard Identified Chart

    Moving parts Warning decals stating hazardous locations. Physical guards around such points. Clear warning in manual. Electrical shock Improper battery handling or jumping Instructions on battery handling from the Bat- tery Council International included in manu- als. Safety Information Lastec//020515 2-15...
  • Page 31: Section 3 Initial Set-Up

    SECTION 3 INITIAL SET-UP Lastec//061714...
  • Page 32: Assembly

    Initial Set-Up Assembly Assembly The Lastec Mower comes preset from the factory and ready to mow. Should adjustments be necessary due to shipment, follow the set-up procedures listed herein. Parking Brake WARNING ALWAYS set the parking brake before performing any set-up, inspection, adjust- ...
  • Page 33: Fuel

    Your Lastec Mower is equipped with two 7-gallon fuel tanks, located over each rear wheel. Your Lastec Mower is shipped dry (no fuel) from the factory, so you will need to fuel your Lastec Mower before operating. The fuel tank cap has a gauge that shows the approximate fuel level at all times.
  • Page 34: Operator Seat Pan

    Clean the entire engine area and mower deck area (under the operator seat pan) of all excess grease, oil, fuel, grass, or debris before operating your Lastec Mower. This will help prevent damage to the equipment, fire hazard, and projectile hazards.
  • Page 35: Engine Oil

    Use of incorrect oil, inadequate oil level, or con- taminated oil will cause engine damage. Be sure your Lastec Mower is parked on level ground before checking the oil level. Always check the oil level before starting the engine, or more than five minutes after turn- ing the engine off.
  • Page 36: Hydraulic Fluid

    If any leaks are discovered, allow ample time for the hydraulic fluid to cool. Repair or replace the defective parts and re-fill the hydraulic system before operat- ing your Lastec Mower. Be sure to secure all clamps or fittings. Lastec//061714...
  • Page 37: Hydrostatic Pump Adjustment

    5. When finished, turn off the drive unit. 6. Be sure that both link arm jam nuts are tight. 7. Lift the drive unit, remove the jack stands, and lower the unit to the ground. Initial Set-Up Lastec//061714...
  • Page 38: Towing (Hydrostatic Pump Release)

    Towing (Hydrostatic Pump Release) Towing (Hydrostatic Pump Release) When towing your Lastec Mower, it is necessary to make minor adjustments to both of the hydrostatic pumps. This will allow the hydraulic fluid to bypass the hydrostatic pump. Please follow the instructions below for the proper procedure: 1.
  • Page 39: Hydrostatic Pump Belt

    Lastec Mower. If you are unable to install a new belt with the idler system at its minimum stroke, it is likely you are installing the wrong size belt. Contact your Lastec dealer for proper belt lengths for your Lastec Mower.
  • Page 40: Mower Deck Drive Belt

    Contact your Lastec dealer for the proper belt lengths for your Lastec Mower.
  • Page 41: Deck Belts

    Contact your Lastec dealer for the proper belt lengths for your Lastec Mower.
  • Page 42: Weight Transfer Springs

    Adjust the spring tension by tightening the bolt at the rear of the springs. Proper operation of the weight transfer system will allow you to lift the mowing deck by the handle with little effort. 3-12 Lastec//061714 Initial Set-Up...
  • Page 43: Blades

    Always replace any damaged, dull, cracked, or missing blades before operating your Las- tec Mower. Lastec also offers low-lift blades and mulching blades for certain mowing applications. Contact your Lastec Mower dealer for further information about optional blades available. 3.15 Operator Seat Check that the operator seat pan is properly seated.
  • Page 44: Steering Control Arms

    Be sure to return and lock both control arms into neutral position. The control arms can be adjusted for operator comfort by repositioning the control arms on the control assembly. Unit control may also be accomplished with foot pedals that are interconnected with the control arm. 3-14 Lastec//061714 Initial Set-Up...
  • Page 45: Mower Deck Height

     Caution Your Lastec Mower has a mower deck height range of 1" to 4.5", in 1/4" increments. If you wish to change the deck height, do so before attempting to operate your Lastec Mower. The mower deck height adjustment has a lever for adjusting the deck height. The lever fits into spaces marked off in 1/4”...
  • Page 46: Mower Deck Height Calibration

    Occasionally, you will need to calibrate the mower deck height. Follow these procedures to calibrate: 1. Park your Lastec Mower on a flat, level surface. Be sure to turn off the engine and set the parking brake before making any adjustments to your Lastec Mower.
  • Page 47: General Inspection

    The hour meter is located on the control panel. This meter records the total hours on the engine, and cannot be reset. You may wish to record the hour meter reading prior to oper- ation of your Lastec Mower for tracking of maintenance schedules, job timing, billing, or other records.
  • Page 48: Maintenance Checklists

    Check that the discharge chute is clear of debris, properly mounted, and in good condition.  Inspect entire Lastec Mower for loose or entangled parts, debris, obstructions, or neglected tools.  Verify that the battery has sufficient charge to start the engine.
  • Page 49: Section 4 Operating Procedures

    SECTION 4 OPERATING PROCEDURES Lastec//020515...
  • Page 50: Starting The Engine

    Danger NEVER operate your Lastec Mower when children are present!  WARNING! NEVER attempt to operate your Lastec Mower until you have read and understand  Warning this manual in its entirety! NEVER allow anyone to operate your Lastec Mower without proper training and ...
  • Page 51: Stopping The Engine

    Stop the engine by throttling down to a slow idle, then turning the ignition key switch to the OFF position. Wait for all motion to stop. Be sure all auxiliary switches are in the OFF position. Set the parking brake before dismounting your Lastec Mower. Operating Procedures...
  • Page 52: Motion Control

    These pumps are controlled separately with each of the steering control arms (located to the left and right of the operator seat). Verify that all safety covers are in place and secure before operating your Lastec Mower. Start the engine in accordance with section 4.1 of this manual.
  • Page 53: Recommended Blades

    To change directions: Slowly return both control levers to the neutral position, and  allow your Lastec Mower to slow to a stop. Then slowly move the control levers into the appropriate positions to travel in the desired direction. NOTE: When the control levers are released, they automatically return to the neu- tral position, stopping all motion of your Lastec Mower.
  • Page 54: Ground Speed

    Ground Speed Your Lastec Mower is designed to cut cleanly and efficiently at relatively high ground speeds. Reduced ground speed is required when operating on severe contours, when cutting excessively tall, wet, or thick grass, or when traveling up or down large or steep hills.
  • Page 55: Mower Deck Operation

    NEVER operate your Lastec Mower when children are present!  Your Lastec Mowers is equipped with a mower deck comprised of three blades. All three blades are belt driven - the drive belt (located under the operator seat pan) drives the center blade, and the deck belt drives each blade.
  • Page 56: Mule Pulley Adjustment

    Simply remove the center bolt and place the pulley at the level most appropriate to maintain the proper belt tension. Anti-Scalp Wheel Adjustment (prior to serial #34660609) The rear anti-scalp wheel on the deck can be adjusted by a turnbuckle attached between the deck and wheel framework. LT0121 Lastec//020515 Operating Procedures...
  • Page 57: Section 5 Maintenance

    SECTION 5 MAINTENANCE Lastec//061714...
  • Page 58: Every 8 Operating Hours Or Daily

    Warranty issues are dependent upon proper maintenance!  Along with completing the Pre-Operation Equipment Inspection Checklist (See Sec- tion 3) each time you operate the Lastec Mower, complete the following Maintenance Checklists at the indicated time intervals. (See Section 5.12 for maintenance chart.)
  • Page 59: First 25 Operating Hours

    First 25 Operating Hours Verify proper installation, operation, and flow of grass chute.  Inspect entire Lastec Mower for loose or entangled parts, debris, obstructions, mis-  placed tools, or any other possible safety hazards, equipment hazards or projectile hazards. Clean off decks of any dirt, grease, or oil.
  • Page 60: Every 400 Operating Hours

     Change the hydraulic oil and filter.  Rotate tires  5.11 Bi-Annual Replace fuel hoses and clamps.  Replace radiator hoses and clamps.  Replace battery.  1. Refer to theYanmar Engine Operator’s Manual accompanying this manual. Lastec//061714 Maintenance...
  • Page 61: Maintenance Schedule

    Verify that hardware is functional, securely fastened, and in good condition Verify proper installation, operation, and flow of grass chute Inspect entire Lastec Mower for loose or entangled parts, debris, obstructions, neglected tools, or other hazards Change Hydraulic oil and filter...
  • Page 62: Lastec Mower Specifications, 2261/2273Adc

    Maintenance Lastec Mower Specifications, 2261/2273ADC 5.13 Lastec Mower Specifications, 2261/2273ADC Mower Deck, 61” Mower Deck Configuration (3) 21” Articulating Decks Cutting Width 61” Blades (3) 21” High-Lift P128 (3) 21" Low Lift (Optional) P246 (3) 21" Gator Mulching (Optional) P322 (3) 21”...
  • Page 63 25 Micron, 7 GPM Full-Flow, 3/8” NPT P620 Hydraulic Fluid Capacity 5 quarts Hydraulic Pump Drive Belt Belt, AX-60 040376 Lastec hydraulic fluid is equivalent to Mobile One Synthetic 15W50 Engine, 2261/73ADC Engine, 22HP Yanmar Diesel 049974 Model Bore & Stroke 70 X 74 mm Total Displacement 0.854 L...
  • Page 64: Hydraulic System Diagram

    045947 Hose, 3/8” Hyd x 20” Low Pressure 041180 Hose Assy, 26 OAL x 1/2” Hyd 049273 Hose, 3/8” Hyd x 11” Low Press 015485 Fitting, 3/8” Barb Tee 061807 Hose Clamp, Dixon Worm Gear HSS6 Not Shown Lastec//061714 Maintenance...
  • Page 65: Wiring Schematic, 2261/73Adc

    Blade SW Wing red/blu grn/org com B red/blk red/wht Hour Meter Clutch red/blk red/blk red/blk Fuel Pump FUEL (hold) red/yel Fuel Pull Timer red/wht FUEL (pull) Starter red/grn 36HP/22HP Yanmar Mower Harness P/N 055700 Rev C.01 055700 rev C.01 Maintenance Lastec//061714...
  • Page 66: Lubrication Points And Deck Belt Routing

    LT0093 Drive Belt Idler, Lower Rear See Figure 5-2. The deck lubrications points and deck belt routing are shown below. Lubricate every 8 hours of operation. See Section 5.13 for the deck belt part number. LT0094 5-10 Lastec//061714 Maintenance...
  • Page 67: Urethane Bushings

    5.18 Urethane Bushings CAUTION! Bolts holding urethane bushings must remain tight.  Caution Urethane bushings are used throughout all Lastec mowers in various applications, including (but not lim- ited to) articulating deck hinges rocker arms. In all cases, the bushings...

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