ryan LAWNAIRE 28 544887 Operator's Manual
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ryan LAWNAIRE 28 544887 Operator's Manual

6.5 hp b&s; 5.5 hp honda
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MODEL:
544874F
LAWNAIRE 28 - 6.5 HP B&S
544887
LAWNAIRE 28 - 5.5 HP HONDA

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Tom Quintal
May 20, 2025

Lawn air 28 aerator part number for outside case rubber hold down part.

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Tom Quintal
May 20, 2025

Ryan lawn air 28 is the rubber hold down strap for the outer case available and need part number please.

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Summary of Contents for ryan LAWNAIRE 28 544887

  • Page 1 MODEL: 544874F LAWNAIRE 28 - 6.5 HP B&S 544887 LAWNAIRE 28 - 5.5 HP HONDA...
  • Page 2 CALIFORNIA WARNING Proposition 65 Warning The engine exhaust from this product Diesel engine exhaust and some of contains chemicals known to the State its constituents are known to the State of California to cause cancer, birth of California to cause cancer, birth defects or other reproductive harm.

  • Page 3: Important Message

    Lawnaire IMPORTANT MESSAGE Thank you for purchasing this Schiller Grounds Care, Inc. product. You have purchased a world class product, one of the best designed and built anywhere. This machine comes with a Technical Manual containing safety, operation, parts, maintenance and service information.
  • Page 4 SAFETY Lawnaire NOTICE !!! This symbol means: ATTENTION! Unauthorized modifications may present extreme BECOME ALERT! safety hazards to operators and bystanders and could also result in product damage. Your safety and the safety of others is involved. Schiller Grounds Care, Inc. strongly warns against, rejects and disclaims any modifications, add-on Signal word definitions accessories or product alterations that are not...
  • Page 5 SAFETY Lawnaire PREPARING FOR SAFE OPERATION PREPARING FOR SAFE OPERATION Site preparation and circumstances Operator preparation and training Evaluate the terrain to determine what accessories and attachments are needed to Read the Operation & Safety properly and safely perform the job. Only use Manual accessories and attachments approved by the If an operator or mechanic...

  • Page 6: Operating Safely

    SAFETY Lawnaire OPERATING SAFELY - if the machine begins to vibrate abnormally: OPERATING SAFELY shut off machine immediately. Inspect and In general make repairs as needed before restarting; Use extra care when loading or unloading the - except for repairs or adjustments as specifically machine into a trailer or truck.

  • Page 7: Maintenance Safety

    SAFETY Lawnaire Tines Remove obstacles such as rocks, treelimbs etc. WARNING Tines can be sharp and can Avoid driving over obstacles such as ruts, holes, cut. Use extra caution when rocks and roots whenever possible. Be alert to handling. Remove obstruc- dips and rises.
  • Page 8 SAFETY Lawnaire TRANSPORTATION AND STORAGE SAFETY Stop the engine and allow to cool before storing. Drain the fuel tank outdoors only. Store fuel in an approved container in a cool, dry place. Keep the machine and fuel containers in a locked storage place to prevent tampering and to keep children from playing with them.
  • Page 9 LABELS Lawnaire...
  • Page 10 LABELS Lawnaire...
  • Page 11 SET-UP Lawnaire GENERAL NOTE: FRONT, REAR, RIGHT HAND AND LEFT HAND REFERENCES BELOW ARE WITH RESPECT TO AN OPERATOR AT THE CONTROLS. UNPACKING - Unpacking the aerator entails securing the handle and rolling the unit off the shipping pallet. 1. Cut the banding securing the aerator to the pallet Banding is under tension and may snap back when cut.
  • Page 12 SET-UP Lawnaire 9. Push the latch lever (on the handle) to raise and lower the unit. If the latch drops into the notch easily, when raised and lowered, proceed to step 10. Remove hairpin cotter I from rod G. Pull rod from Pivot Shaft and adjust by turning rod so that the latch drops into the notch easily when the unit is lowered.
  • Page 13 SET-UP Lawnaire 13. HONDA THROTTLE HOOK-UP: (See step 14 for Briggs throttle hookup.) -Remove the air cleaner. -Using a 10mmm socket or wrench, slightly loosen the engine throttle pivot nut 7, 1/8 of a turn. (this is approximate, adjust as required for proper throttle control feel.) -Attach the throttle cable as shown, with the "Z-bend"...

  • Page 14: Engine Controls

    CONTROLS Lawnaire ENGINE CONTROLS The engines are equipped with a choke control and Engine Shut-Off Switch (C): Leave the engine and a fuel shut-off valve. switch in the ON position. The Handle Mounted Engine Shut-Off Key Switch is used to start and stop Choke (A): Choke as required to start the engine engine.
  • Page 15 CONTROLS Lawnaire AERATOR CONTROLS The aerator is equipped with a Dog Clutch Lever C, Latch Lock Lever D, Clutch Lever E and Throttle Control F. Dog Clutch Lever: Controls the drive mechanism. Push the lever down to engage the dog clutch, pull up to disengage.

  • Page 16: Pre-Operation Check

    OPERATION Lawnaire PRE-OPERATION CHECK 1. Visually check all moving parts and all fasteners. NEVER start or run the engine inside where exhaust If loose or broken, tighten or replace. Check fumes can collect. Carbon monoxide present in the for and replace any broken, bent or excessively exhaust is an odorless and deadly gas.

  • Page 17: Operation Tip

    OPERATION Lawnaire AERATING Before operating, check the area to be aerated and NOTE: For best performance and maximum tine remove any objects that may be a safety hazard or penetration, the lawn should be thoroughly cause damage to the unit. watered the day before aeration.

  • Page 18: Tire Pressure

    SERVICE Lawnaire CLEANING After each day's aerating, remove and thoroughly clean the tines. Apply a light coating of oil to the tines to prevent rust. Replace bent, broken or worn tines and reinstall the tines on the unit. After the engine has cooled, clean the unit with water.

  • Page 19: Belt Removal And Installation

    SERVICE Lawnaire BELT REMOVAL AND INSTALLATION 1. Remove the shield covering the aerator mechanism. 2. Remove the two screws A securing the ends of the pulley shaft. 3. Remove the hardware from the idler shaft pillow blocks C. Move the idler shaft B back (toward the rear of the unit) to release the tension on the idler drive belt E and aerator chains H and J.

  • Page 20: Transmission Removal

    SERVICE Lawnaire TRANSMISSION REMOVAL 1. Remove the shield covering the aerator mechanism. 2. Loosen primary drive chain adjustment screw M. 3. Open the connector link of the primary drive chain N and remove the chain from the unit. 4. Disconnect the drive belt adjustment screw L from the bellcrank and detach the tension spring O from the top of the transmission.

  • Page 21: Transmission Service

    SERVICE Lawnaire TRANSMISSION SERVICE 1. With the transmission taken out of the unit, Remove the belt pulley and key from the input shaft. 2. Remove one of the drain plugs and drain the oil from the transmission case. 3. Remove the hardware holding the two case halves together, and tap the tabs on the case with a soft hammer (lead, leather, plastic etc.) to break the seal and separate the case halves.

  • Page 22: Output Shaft

    SERVICE Lawnaire TRANSMISSION SERVICE OUTPUT SHAFT 10. Remove both of the gears and key from the shaft 11. Check the shaft A for wear and replace if necessary. If replacing shaft, install existing snap ring B on new shaft. Check for, and remove any burrs on key ways in the shaft.
  • Page 23 SERVICE Lawnaire REVERSING GEAR BOX REMOVAL 1. Remove the shield covering the aerator mechanism. 2. Remove the return links A connecting the tine arms C to the vertical links B by unscrewing the hardware and separating the two halves. Note the position of the washers for reinstallation.
  • Page 24 SERVICE Lawnaire REVERSING GEAR BOX SERVICE 1. Remove the gear box from the unit. 2. Remove the hardware G holding the two case halves together. 3. Remove the oil seals H from each end of the gear box and separate the two halves L. 4.

  • Page 25: Service Specifications

    SERVICE/SPECIFICATIONS Lawnaire STORAGE INSTRUCTIONS SPECIFICATIONS Features: Tricycle front wheel for easy maneuverability. To prevent possible explosion or ignition of vaporized fuel, do not store equipment with fuel Rubber isolated handlebars and spring assist lift for in tank or carburetor in enclosure with open flame easy, comfortable operation.
  • Page 26 Lawnaire THIS PAGE INTENTIONALLY LEFT BLANK.

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Lawnaire 28 544874f

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