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ryan GA 24 Technical Manual

Ryan ga 24 aerator technical manual
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Technical
Manual
GA 24 Aerator
Model 544872
GB
522648-Rev E

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  • Page 1 522648-Rev E Technical Manual GA 24 Aerator Model 544872...

  • Page 2: General Information

    1 GENERAL INFORMATION GENERAL INFORMATION Additional manuals are available through your dealer. IMPORTANT! THIS EQUIPMENT SHOULD NOT BE MODIFIED OR IMPORTANT! ADDED TO WITHOUT THE MANUFACTURER’S THIS MANUAL WILL AID YOU IN THE SAFE AUTHORIZATION. OPERATION AND PROPER MAINTENANCE OF YOUR EQUIPMENT.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION PAGE General Information ........Inside Front Cover 1.1 General Information .

  • Page 4: Vehicle Identification

    2 IDENTIFICATION VEHICLE IDENTIFICATION The identification nameplate/decal with the model num- ber and serial number, is located on the engine mounting frame (See FIGURE 1 ). 3812 FIGURE 1 These identification numbers must appear on all corres- ponence concerning this equipment...

  • Page 5: Specifications

    SPECIFICATIONS 3 SPECIFICATIONS Equipment Weight ....800 lbs. (363kg) Equipment Width ....49 1/2″...

  • Page 6: Controls

    4 CONTROLS MASTER CYLINDER SHIFT CONTROL LEVER The Master Clutch, located on the side of the control TRANSPORT Provides forward movement without tine panel, engages and releases power to all functions operation. Tines must be in raised position. except the hydraulic pump. Pull lever forward, slowly, to NEUTRAL Disengages all clutches.

  • Page 7: Tine Lever

    3778 promptly administered. FIGURE 5 Do not use a unit with a leaking hydraulic sys- tem. See your authorized RYAN dealer for nec- 1. Tine Control Lever essary repairs. 2. Raise 3. Lower...

  • Page 8: Operation

    5 OPERATION WARNING DANGER BEFORE OPERATING: Gasoline is extremely flammable and explo- sive under certain conditions. Stop engine, Check grounds area and remove foreign and stay away from open flame or sparks while objects that may be a tripping hazard to the refueling or performing maintenance involv- operator or might damage the unit.

  • Page 9: Transporting

    OPERATION 5 7. To stop aerating, pull up on Tine Control lever to raise 3. Move Tine Control lever to “Transport”. (DO NOT tines. force control lever, engage clutch lightly until control linkage engages.) Operating Tines Only 4. Stand to the side of the unit and engage the master The “Tines”...

  • Page 10: Storage

    6 STORAGE 2. Clean pushrods and coat lightly with oil. 3. Lower tines by pushing down on Tine Control lever, WARNING to relieve hydraulic system pressure. To prevent possible fire or explosion, do not store this unit with fuel in tank or carburetor in 4.

  • Page 11: Service 7

    WARNING When replacement parts are required, use gen- CAUTION uine RYAN parts or parts with equivalent char- Check pressure in a partially inflated tire acteristics including type, strength and mate- BEFORE connecting air hose. Due to low air rial. Failure to do so may result in product mal-...

  • Page 12: Chain Replacement

    7 SERVICE 5. Lubricate chain according to lubrication instructions on page 27. 6. Replace all shields before operating unit. TINE REPLACEMENT 1. Raise tines and stop engine. WARNING Support upper frame with blocks when work- 3781 ing on unit with tines raised. FIGURE 6 Hydraulic lines may rupture or lever could be (Right Side)
  • Page 13 SERVICE 7 At this point you will be able to check alignment of the slides and cams. To replace slides continue with the fol- lowing steps. 5. Loosen screw in tine holder and remove tine holder assembly from push rod. 6.
  • Page 14 7 SERVICE NOTE: Inside surface of bushings has a special coating. 15. Check to make sure cam and roller of slide are DO NOT ream or sand inside surface. aligned properly. To align, loosen cam screw and slide cam on shaft until it is centered on roller. Guide Repair: Tighten cam screw.

  • Page 15: Hydraulic Hose Replacement

    SERVICE 7 19. Reinstall push rod and reattach push rods to con- DOG CLUTCH ADJUSTMENT necting rods with wrist pin and bearings. (Refer to diagram, page 15.) 1. Raise unit, stop engine and block chassis to prevent dropping. 20. Replace all shields before operating unit. 2.
  • Page 16 7 SERVICE 13. Set spring on connector link (1) to 3”(76mm) by .015” (.38mm) Dog Clutch adjusting nut (6). Sprocket 14. Hold or block Shift Control lever to the top of the “Tines Only” detent hole. Move tines clutch lever (10) so that clutch is fully engaged with a clearance of .015”(.38mm) See FIGURE 15.
  • Page 17 SERVICE 7 DOG CLUTCH ADJUSTMENT DIAGRAM Master Clutch Lever Shift Control Lever Locknuts Tines Clutch Fork Transport Clutch Fork Aerate Clutch Fork...

  • Page 18: Timing, Crankshaft & Camshaft

    7 SERVICE 7.9 TIMING, CRANKSHAFT & CAMSHAFT 5. Position right crankshaft sprocket so that timing mark is horizontal. Keyway should be 45° clockwise NOTE: Improper timing between the aerating crank- from straight up. (See FIGURE 18.) shaft and the camshaft will cause elongated holes while aerating and excessive noise in the camcase.

  • Page 19: Connector Rod & Wrist Pin Replacement

    SERVICE 7 7.10 CONNECTOR ROD & WRIST PIN REPLACEMENT 1. With the unit raised, move throttle to the off position and disconnect spark plug wire. 2. Move Shift Control lever to “Tines Only” and engage the master clutch. 3. Open door at rear of unit and pull recoil starter to 3784 rotate crankshaft for best access to cap screws.
  • Page 20 7 SERVICE NOTE: If axle is secured in vise to remove differential, use shop towel or other protection to prevent dam- age to axle. 3792 FIGURE 22 3794 1. Hub FIGURE 24 2. Spacer 3. Locking Collar Set Screws 1. Differential 2.
  • Page 21 SERVICE 7 ing nut can be loosened by putting two nuts on the opposite end and locking them against each other. Hold these two nuts securely with a locking pliers and loosen remaining nut. 9. Replace all three rubber “O” ring seals and the bush- ing in the sprocket half of the housing.
  • Page 22 7 SERVICE 3800 3792 FIGURE 32 FIGURE 30 1. Axle Screw And Lockwasher 1. Alignment Marks 2. Hub 3. Spacer 4. Set Screws 14. Turn assembly over so nuts are on the bottom and install sprocket. Loctite remaining nuts and start onto 18.

  • Page 23: Differential (8710 And Prior)

    SERVICE 7 10. Loosen set screws in pillow block collar on left side of 7.12 DIFFERENTIAL unit. Make sure axle screw is tight. (See (8710 and prior) FIGURE 35.) 1. Remove shields and jack unit up. Set on jack stands so that both rear wheels are off the ground.

  • Page 24: Camshaft Removal

    7 SERVICE 16. Install chain and wheels. Lower unit and replace all 8. Remove snap ring holding sprockets. Slide sprock- shields before operating unit. ets off shaft and remove key. 9. Remove bearing cage and shims bolted to camcase. 7.13 CAMSHAFT REMOVAL 10.

  • Page 25: Camshaft Assembly

    SERVICE 7 7.14 CAMSHAFT ASSEMBLY (Install so that it does not stick up above cam surface) 2. Install inner snap rings on both ends of camshaft. 1. Slide camshaft into camcase from left side, adding Sharp edge of ring toward the cams and the rounded cams and spacers to shaft as it is being installed.
  • Page 26 7 SERVICE CAMSHAFT ASSEMBLY DIAGRAM Spacer 1/8”(3.8 mm) Thick – 1 59/64” (49 mm) O.D. Thrust Needle Bearing Spacer 1/32”(.8 mm) Thick – 1 59/64”(49 mm) O.D. Washer 1/8” (3.8mm) Thick – 2”(51mm) O.D. Snap Ring Front Unit Spacer 7/16” (11 mm) Thick Spacer 7/32”...

  • Page 27: Master Clutch

    SERVICE 7 7.15 MASTER CLUTCH 5. Loosen the two set screws in pillow block collar and unbolt bracket assembly from the cam case. (See A complete breakdown of clutch parts can be found in the FIGURE 43.) parts diagram on page 32. 1.
  • Page 28 7 SERVICE 8. Remove clutch plate assembly from shaft. 2. Remove all components from hub. To make reas- sembly easier, lay out components in the order NOTE: To prevent damage to clutch during removal or removed. installation, apply pressure to the clutch hub only. DO NOT pound or pry the clutch under any circum- 3.

  • Page 29: Brake/Clutch Adjustment

    SERVICE 7 7.16 BRAKE/CLUTCH ADJUSTMENT 7.17 LUBRICATION Refer to FIGURE 49, FIGURE 50 and FIGURE 51 for fit- The unit’s brake is automatically applied when the mas- ting locations. ter clutch is disengaged while in either the “Transport” or “Aerate” mode. Anytime the clutch is removed from the Daily: unit and reinstalled, the brake should be adjusted.

  • Page 30: Touch-Up Paint

    7 SERVICE Lubrication fittings 3811 FIGURE 51 3781 Connector Rod Fittings FIGURE 49 7.18 TOUCH–UP PAINT Right Side of Unit Jacobsen Orange (6) 12 oz. (0.36L) Spray P.N. 554598 (12) 1 qt. (0.95L) Can P.N. 554598 Ransomes Green 16 oz. (0.475L) Spray P.N. 838140 1 qt.

  • Page 31: Trouble Shooting

    SERVICE 7 7.19 TROUBLE SHOOTING PROBLEM PROBABLE CAUSE REMEDY Turf lifting Shallow rooted turf Increase turf guard spring tension by adding spacers above spring Tines plugging Dirty and corroded tines Thoroughly clean tines and lightly water greens Burrs on tines Remove burrs with file Engine speed too slow Operate at max.

  • Page 32: Engine

    8.1 ENGINE (Kohler 8 HP Model M8RT–Spec. PA–301521)

  • Page 33: Engine

    ENGINE 8.1 (Kohler 8 HP Model M8RT–Spec. PA–301521) Ref. Part Description Req’d Notes 120052 Lockwasher, #10 ......120177 Lockwasher, 3/8 .

  • Page 34: Clutch

    8.2 CLUTCH...
  • Page 35 CLUTCH 8.2 Ref. Part Description Req’d Notes 800513 Screw, socket head cap, 5/16–18 x 1 1/4 ..Apply Loctite 290 to threads before installation. 522547 Spacer, clutch ......522550 Sprocket, clutch .

  • Page 36: Clutch Controls

    8.3 CLUTCH CONTROLS & MOUNTING BRACKET...
  • Page 37 CLUTCH CONTROLS & MOUNTING BRACKET 8.3 Ref. Part Description Req’d Notes 130167 Screw, 5/16–18 x 2 1/4 ..... . . 306320 Nut, 5/16–24 .

  • Page 38: Differential (8710 & Prior)

    8.4 DIFFERENTIAL (8710 & PRIOR) Piece parts only are available for this old differential. If entire differential is required, order the new differential, part no. 545921 (see page 37). Ref. Part Description Req’d Notes 130167 Screw, 5/16–18 x 2 1/4 .

  • Page 39: Differential (8720 & Later) 8.5

    DIFFERENTIAL (8720 & LATER) 8.5 Ref. Part Description Req’d Notes 545921 Differential assembly complete ....•Nut, 1–14 310854 ....... . . •Washer, 1 518170 .

  • Page 40: Turf Guard

    8.6 TURF GUARD...

  • Page 41: Turf Guard

    TURF GUARD 8.6 Ref. Part Description Req’d Notes 4120221.7 ........518510 Spring .

  • Page 42: Controls

    8.7 CONTROLS...

  • Page 43: Controls

    CONTROLS 8.7 Ref. Part Description Req’d Notes 103867 Washer, 5/16 ....... 120177 Lockwasher, 3/8 .

  • Page 44: Chassis

    8.8 CHASSIS FRONT OF UNIT See Differential Assembly Page ???.
  • Page 45 CHASSIS 8.8 Ref. Part Description Req’d Notes 120166 Lockwasher, 1/2 ......120177 Lockwasher, 3/8 .
  • Page 46 8.8 CHASSIS FRONT OF UNIT See Differential Assembly Page ???.
  • Page 47 CHASSIS 8.8 Ref. Part Description Req’d Notes 4121795 Wheel, complete (front) ..... . •Rim ........Not Offered.

  • Page 48: Shrouding

    8.9 SHROUDING & BRACKETS...

  • Page 49: Shrouding

    SHROUDING & BRACKETS 8.9 Ref. Part Description Req’d Notes 112050 Screw, 1/4–20 x 5/8 Taptite ....120052 Lockwasher, #10 ......306527 Screw, #10–24 x 3/4 .

  • Page 50: Aerator

    8.10 AERATOR...
  • Page 51 AERATOR 8.10 Ref. Part Description Req’d Notes 120177 Lockwasher, 3/8 ......203023 Screw, skt hd. 1/4–20 x 3/4 .
  • Page 52 8.10 AERATOR...
  • Page 53 AERATOR 8.10 Ref. Part Description Req’d Notes 540094 Slide & Guide assembly, ..... . •Spring 518503 ........•Washer, shim 522708 .

  • Page 54: Main Drive

    8.11 MAIN DRIVE...
  • Page 55 MAIN DRIVE 8.11 Ref. Part Description Req’d Notes 120166 Lockwasher,1/2 ......300646 Screw, 1/4–20 x 3/4 .
  • Page 56 8.11 MAIN DRIVE...

  • Page 57: Main Drive

    MAIN DRIVE 8.11 Ref. Part Description Req’d Notes 4120289.7 Bracket, idler ....... 4120523.7 Bracket (left) .

  • Page 58: Hydraulics

    8.12 HYDRAULICS...
  • Page 59 HYDRAULICS 8.12 Ref. Part Description Req’d Notes 120166 Lockwasher, 1/2 ......300646 Screw, 1/4–20 x 3/4 .
  • Page 60 8.12 HYDRAULICS...

  • Page 61: Hydraulics

    HYDRAULICS 8.12 Ref. Part Description Req’d Notes 547898 Cylinder, lift, 9210 & later w/O-ring fitting ..•Seal Kit 884648 ......As Req’d Not illustrated.

  • Page 62: Decals

    8.13 DECALS...
  • Page 63 As Req’d. 11♦ 521167 RYAN (dark green, 1 5/8″) ..sides of rear cover panel ....

  • Page 64: Tines & Holders

    8.14 TINES & HOLDERS...

  • Page 65: Tines & Holders

    TINES & HOLDERS 8.14 Ref. Part Description Req’d Notes 517486 Tine, coring 1/4″ ......517487 Tine, coring 3/8″...

  • Page 66: Windrow Attachment

    9 ATTACHMENT WINDROW ATTACHMENT The windrow attachment is used to push the turf plugs into a line that is out the way of the Greensaire wheel on the succeeding pass. INSTALLATION 1. Start the Greensaire and raise tines. Stop the engine.

  • Page 67: Attachment 9

    ATTACHMENT 9 Ref. Part Description Req’d Notes 103867 Washer, 5/16 ....... 120166 Lockwasher, 1/2 .

  • Page 68: Torque Chart

    10 TORQUE CHART 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...
  • Page 69 516514 520558 522696 35, 41 Part Page 517094 520559 522697 517340 520560 522698 517486 520562 522703 2701065.7 517487 520580 522704 2702110 517488 520592 522705 2702116 517489 521017 522706 35, 41 2702152.7 517709 521018 523221 2702237.7 517757 521030 523324 2702273.7 518129 521039 523334 2702275.7...
  • Page 70 Part Page 548238 548880 823118 548258 548882 41, 59 823225 547142 548272 548887 31, 55 823701 547293 548296 45, 55 548889 826558 547305 548324 548890 827395 547306 548326 33, 53 548891 827821 547327 548327 51, 55 548914 828052 547331 548332 45, 55 548926 828053...
  • Page 71 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-...
  • Page 72 Textron Golf, Turf & Specialty Products PO Box 7708, Charlotte, NC 28241-7708 www.ttcsp.com...

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