Rayco RG 85 Maintenance Manual
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Rayco RG 85 Maintenance Manual

Rayco RG 85 Maintenance Manual

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RG 85
MAINTENANCE
MANUAL
4255 Lincoln Way East • Wooster, Ohio 44691
Nationwide & Canada Phone Toll-Free: (800) 392-2686
FAX: (330) 264-3697
Copyright © 2002 Rayco - All Rights Reserved
Printed in U.S.A.
Index 780371 11/2002

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  • Page 1 RG 85 MAINTENANCE MANUAL 4255 Lincoln Way East • Wooster, Ohio 44691 Nationwide & Canada Phone Toll-Free: (800) 392-2686 FAX: (330) 264-3697 Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A. Index 780371 11/2002...

  • Page 2: Identification Numbers

    This manual is published by Rayco Manufacturing, Inc. for the benefit of the users of RAYCO products. Rayco Manufacturing, Inc. has made every effort to ensure that this manual is correct and up to date at the time of publication. However, due to continuous improvements, Rayco Manufacturing, Inc. reserves the right to make changes in the contents, at any time, without notice or obligation.

  • Page 3: Table Of Contents

    Specifications ......50 Warranty Certificate .....52 Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 4: Maintenance

    Your RAYCO Stump Cutter is filled at the factory with the correct service schedule. with Shell Tellus T 46 Hydraulic Fluid. This oil is formulated to provide the proper operating characteristics in a wide range of climates.

  • Page 5: Drive Belts And Chains

    To extend belt, life proper tension must be maintained. A loose belt will cause excessive cutting wheel slippage and belt failure. A belt that is too tight can cause motor bearing or cutter wheel bearing failure. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 6: Maintenance Intervals

    Swing Out Arm Pivot Tire Condition - Check Wheel Drive Oil - Check Wheel Drive Oil - Change Valve Clearance - Check V-Belt Tension - Check Walk Around Inspection Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 7 The maintenance intervals listed in this "Maintenance Intervals" section of this RG 85 Stump Cutter Maintenance Manual includes engine care topics. For the complete information, consult the Deutz Engine Owner's Manual.

  • Page 8: Battery Check

    If they are slightly dirty they may be cleaned by lightly tapping on a hard surface. Replace at stated intervals or when needed. Outer filter - RAYCO part# - 736115 Inner filter - RAYCO part# - 736142 Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 9 Detailed directions for inspection may be found in the "Trailer Running Gear - Operation Maintenance Service Manual" which was provided with the machine. REMOVE PINS Pull out and remove the screens. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 10 (2). (Use the 1/2" hex key provided with the machine.) Replacement teeth are available from your RAYCO dealer or direct from RAYCO. Refer to the Clean all dirt from the cutting wheel (1) and Parts manual for part numbers.
  • Page 11 1/8" of original bite, whether lost through usage or grinding. Grind off a minimal amount from the end, just enough to restore the original taper and radius on the end. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 12 Pivoting the hydraulic motor (5) away from the cutting wheel will tighten the belt. Turn the adjusting nut (4) clockwise (viewed from ground), pivoting the hydraulic motor away from the cutting wheel. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 13: Engine Oil Level Check

    The engine oil dipstick is located on the right side of the machine under the hood. Follow the directions found in the Deutz Engine Owner's Manual for correct procedures on how to read the dipstick. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 14: Engine Oil And Filter

    Add 6 quarts of oil to the crankcase. Start the engine and run for two minutes. Check the dipstick, and top off engine to the upper most line on the dipstick. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 15 Steam clean the inside of the tank, let dry thoroughly before putting the tank back on the machine. Replace and tighten straps and all fittings and hoses. Dispose of drained fuel according to local environment protection regulations. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 16 A 10 micron filter is used in the hydraulic fluid tank (RAYCO part # 761365). It is located on the front of the hydraulic oil reservoir. Place a drip pan to catch spilled oil and remove the fiberglass panel on the left side of the machine.
  • Page 17 A 10 micron filter (1) is used on this machine An air lock will occur after the filter is (RAYCO part # 761430). It is located on the changed. To correct this, loosen and remove external filter head to filter the oil before entering the hose from the "B"...

  • Page 18: Hydraulic Oil - Change

    Replace and tighten all fittings, plugs and caps. Clean up all spilled oil, and wipe off fittings. NOTICE Dispose of drained oil according to local environment protection regulations. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 19 CWD charge pump inlet. When Fluid appears at the CWD charge pump inlet and CWD motor case drain outlet, tighten the connection. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 20 Replace the plug. Recheck the reservoir fluid level and add fluid if necessary. Replace the reservoir cap. The CWD circuit is now ready for operation. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 21 RAYCO ® RG 85 STUMP CUTTER™ OTES Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 22: Lubrication Points

    Cutting Boom King Pins LUBRICATE LUBRICATE Lubricate the grease fittings on both sides of the lift cylinder pivot pins. Lubricate the fittings on top of each of the cutting boom king pins. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 23 Lubricate the eight grease fittings (four on each pivot tube. The fiberglass panel will need to be side) on the blade pivot points. removed to get to the grease fitting. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 24 Replace only with bearings as specified in the spalling, or corrosion is present, then the bearing Parts manual. should be replaced. The bearing cup inside the hub should likewise be inspected. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 25 The nut should remain snug just enough to not rotate freely. Bend over the cotter pin legs to secure the nut. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 26: Walk-Around Inspection

    Tighten or replace. can be obtained from the V-belt manufacturer. Inspect the belts for wear. Replace if frayed Refer to the instructions included with the tension or cracked. checker. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 27 Replace plug (1) and remove plug (3). Fill until oil reaches and starts to leak out of plug hole (3). Replace all plugs and tighten. Use fluid as noted in the "Fluid Specifications Section" of this manual. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 28 Please record the date, the procedure performed and the hourmeter reading in the correct columns for all maintenance performed on your machine. DATE PROCEDURE PERFORMED HOURMETER Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 29 RAYCO ® RG 85 STUMP CUTTER™ AINTENANCE NTERVALS DATE PROCEDURE PERFORMED HOURMETER Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 30: Troubleshooting

    LED when on starter post serviced start button is depressed no current bad connection LED not lit Check for Broken Tighten all broken wiring or bad connections wiring push button Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 31 If there is current on only one side of the switch but never both sides, the Wheel Drive N/S switch will need to be replaced. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 32 If there is no current there, check for broken or loose wiring in the circuit. If there is current, proceed to the next check. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 33: Cutter Wheel Will Not Engage

    If one of these LED's do not match the description, move to the electrical portion of the chart. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 34 44. If the pressure is ok, move to next section of may be a problem with the pump and your the flow chart. If the pressure reading is low, RAYCO dealer or the factory should be contacted. check the following: Check the hydraulic oil level. If the level is low top off the tank to the acceptable level.

  • Page 35: Cutter Boom Travel Weak

    These are available from RAYCO. If all the circuit pressure readings are bad the integral relief valve can be adjusted. Find this procedure in the "Tests and Adjustments"...

  • Page 36: Cutter Wheel Rotation Slow

    Check the pressure to see if it is in the acceptable range according to the system pressures chart on page 44. If the pressure is low contact RAYCO or your local dealer. Copyright © 2002 Rayco - All Rights Reserved...

  • Page 37: Cutter Boom Drifts Down

    A. Check - Adjust the blade counter balance valve. To adjust the blade counter balance valve, refer to the "Tests and Adjustments" section of this manual. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 38: Wheel Drives Will Not Go Into High Gear

    (F) and tighten fittings Low pressure Low pressure Low pressure Check Replace Adjust charge hose for 2-Speed pump pressure blockage valve still low pressure Charge pump needs serviced Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 39 The proper pressure is listed in the "Tests and Adjustments" section of this manual. If the pressure is below the pressure listed, the charge pump needs serviced. Contact your RAYCO dealer or the factory. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 40 An obstruction or blockage could be hampering pressure flow to the wheel drive. If the hose is clear, there may be a problem with the wheel drive. Contact your RAYCO dealer or the factory. Copyright © 2002 Rayco - All Rights Reserved...

  • Page 41: Slow Speed In Low Gear

    Check the hydraulic pressure going out of the wheel drive control valve. If the pressure reading is low, the valve may be faulty and need to be replaced. Contact your RAYCO dealer or the factory. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 42: Machine Will Not Steer

    Check the hydraulic pressure going into the valve of the valve is bad, the valve is faulty and needs bank. Use the chart in the "Tests and to be replaced. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 43: Blade Will Not Operate

    Turn swing operator speed control panel in lever full clockwise Check for Check for Repair loose or current at broken wires blade valve LCM may Contact need Rayco replaced service Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 44: Electrical Troubleshooting

    RAYCO ® RG 85 STUMP CUTTER™ ELECTRICAL TROUBLESHOOTING STUMP CUTTER CONTROL BOARD Logic Control Module (LCM) Configuration Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 45 * Note: Brakes are used only on 2-wheel drive models. OTHER LCM FUNCTIONS: The Lamp Test Circuitry is designed to provide a short test of the indicator lamps for a given machine. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 46: Tests And Adjustments

    1800 - 2000 psi wheel down Fully raise cutting 1800 - 2000 psi wheel up Charge pressure @ 340 psi idle Wheel drive valve @ 3000 psi engine idle full flow Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 47: Adjusting The Command Cut Valve

    Using an allen wrench, adjust the stem until the pressure reads what is specified in the chart on the previous page. Retighten lock nut when pressure is achieved. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 48: (Drive Valve)

    Check the pressure settings as directed in Hydraulic System Pressure Checks chart. Continue to tighten or loosen adjusting screw and checking pressure until pressure is within the acceptable range. Retighten the jam nut. Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.
  • Page 49 RAYCO ® RG 85 STUMP CUTTER™ OTES Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 50: Specifications

    Cooling medium........................Oil cooled Air cleaner ....................Dry type dual elements Oil filter .......................... Spin-on type Fuel tank capacity ......................22 gallons Electrical system ..................12 Volt /55 amp alternator Service Hourmeter Copyright © 2002 Rayco - All Rights Reserved Printed in U.S.A.

  • Page 51: Hydraulic System

    Cutting wheel hub ......................QD Bushing Speed ......................1140 rpm (approximately) Drive belt ................ Gates Poly Chain GT® low maintenance Cutting teeth (24) ........Rayco Supertooth™ forged, one pc., w/tungsten carbide tips Belt guard ........................ Steel, one piece Chip retaining curtains ................Fabric-impregnated rubber CUTTING RANGE (without repositioning) Below ground level........................

  • Page 52: Warranty Certificate

    A. General Outline Rayco Manufacturing, Inc. warrants to the first user that the products it supplies will be free from defects in material and workmanship under normal and proper usage for a period of 365 days from the date of delivery to the first user.
  • Page 53 Where permitted by law, the purchaser's only remedies in connection with the branch of performance on any warranty on any Rayco product are those set forth on this page. In no event will the dealer and or Rayco be liable for incidental or consequential damages, including but not limited to: loss of profits, rental of substitute equipment, or other commercial loss.

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