ryan LAWNAIRE IV Technical Manual
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ryan LAWNAIRE IV Technical Manual

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TECHNICAL MANUAL
Safety, Operations, Maintenance, Parts
LAWNAIRE IV
MODELS 544863B STANDARD
MODELS 544881A COMMERCIAL
Part No. 524483 Rev. 3

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Summary of Contents for ryan LAWNAIRE IV

  • Page 1 TECHNICAL MANUAL Safety, Operations, Maintenance, Parts LAWNAIRE IV MODELS 544863B STANDARD MODELS 544881A COMMERCIAL Part No. 524483 Rev. 3...

  • Page 2: General Information

    GENERAL INFORMATION IMPORTANT! THIS EQUIPMENT SHOULD NOT BE MODIFIED OR To make sure you are fully aware of safety and service ADDED TO WITHOUT THE MANUFACTURER’S information, the following two symbols are used AUTHORIZATION. throughout this manual. Contact your dealer for correspondence with the factory. This “HAZARD”...
  • Page 3 Two levers, clutch/throttle and SPECIFICATIONS transport lever on handle. Engine Lawnaire IV Model 544863B Briggs & Stratton 3.5 HP, 4 cycle, Net Weight 188 lbs. (85.2 Kg) dry, w/o weight. #093452, Type 0141, Trim .01, with 6 to 1 224 lbs. (101.5 Kg) dry, with weight.
  • Page 4 SET–UP WARNING To prevent possible injury to yourself or others, stay clear when cutting banding. Banding is under tension and can snap back when cut. 1. Cut banding and remove hardware bag, handle assembly and center support from pallet. 2. Attach left side of handle assembly to aerator (curved portion of handle pointing up) using two 3/8–16 x 3/4 screws and lockwashers.
  • Page 5 Remote adjustment throttle control. Loosen casing clamp screw on control plate. Pull clutch handle all the way rearward. Move casing and wire to end of travel to move throttle control to FAST position. Tighten casing clamp screw. See Figure 7. WIRE CASING CLAMP...
  • Page 6 NOTICE The Lawnaire IV is available with either a 3.5 HP Briggs & Stratton engine or a 4 HP Honda engine. Briggs & Stratton Engine Controls: The engine is equipped with an On/Off control, a choke control and fuel shut–off valve. On/Off control must be in the “ON” posi- tion for the engine to be started.
  • Page 7 NEVER start or run the engine inside where exhaust fumes can collect. Carbon monoxide present in the exhaust is an odorless and deadly gas. DO NOT operate equipment without shields in place. DO NOT make adjustments or perform any maintenance while the engine is running. Before operating, check the area and remove any object which may present a safety hazard or damage the equipment.
  • Page 8 2. Start engine and run until all fuel is used from carbu- When replacement parts are required, use genu- retor float bowl. ine RYAN parts or parts with equivalent charac- 3. While engine is still warm, drain the crankcase oil teristics including type, strength, and material.
  • Page 9 TOUCH UP PAINT Ransomes Green (medium green) 16 oz. (0.5L) spray ....order no. 838140 1 qt. (0.95L) can ....order no.
  • Page 10 TORQUE SPECIFICATIONS HEX HEAD CAP SCREWS The torque values shown should be used as a general guideline when specific torque values are not given. U.S. Standard Hardware Shank Size (Diameter in inches, fine or coarse thread) Grade 1/4 5/16 3/8 7/16 1/2 9/16 1 1/8...
  • Page 11 NOTES...
  • Page 12 AERATING AND DRIVE GROUP...
  • Page 13 AERATING AND DRIVE GROUP Ref. Part Ref. Part Description Description Req’d Req’d 540291 Chain, #40 sealed roller ..548911 Nut, flangelock 5/16–18 ..522122 Link, connector .
  • Page 14 CHASSIS Obtain Engine Locally...
  • Page 15 ......524281 Decal, Ryan ....
  • Page 16 CONTROLS AND HANDLE GROUP...
  • Page 17 523363 Bushing, snap ....524281 Decal, RYAN ....
  • Page 18 HEIGHT ADJUSTER & TRANSPORT FRAME...
  • Page 19 HEIGHT ADJUSTER & TRANSPORT FRAME Ref. Part Ref. Part Description Description Req’d Req’d 120177 Lockwasher, 3/8 ....545931 Wheel ......304636 Pin, cotter 1/8 x 1 .
  • Page 21 An Excellent Video Showing: Pre-operational Checks Engine Start-up Aeration Loading and Unloading Daily and Periodic Maintenance Storage Procedures for the Lawnaire IV and Lawnaire V Aerators VHS Format 14 Minute Running Time Cost $10.00 ORDER INFORMATION Ship to: Attn. Company Name:...
  • Page 23 Ransomes/Cushman/Ryan Operator’s Manual. The warranty does not apply to any Ransomes/Cushman/Ryan unit or serialized accessory that has been altered or modified so as to adversely affect the units operation, performance or durability or that has been altered or modified so as to change its intended use.

  • Page 24: Warranty Service

    To validate a warranty claim, it is the owner’s responsibility to maintain all components in proper adjustment and service the unit as specified in the Ransomes/Cushman/Ryan Operator’s Manual. It is the owner’s responsibility to provide proper lubrication for all components and to provide correct recommended fuel for the unit. It is the owner’s responsibility to maintain the battery liquid level and charge as specified, as well as maintaining the correct pressure in the tires of this unit.
  • Page 29 WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Advertissement Advertencia L’émission du moteur de ce matériel El estado de California hace saber contient des prouits chimiques que que los gases de escape de este l’Etat de Californie considère être producto contienen productos quÍmi-...

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