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Model 2970H
Leveling System
Operator Manual
(D-082301DJC01C)
st
Hillco Technologies, Inc. 107 1
Ave. Nezperce, Idaho 83543-5062 Phone: 800.937.2461 Fax: 208.937.2280
www.hillcotechnologies.com

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Summary of Contents for Hillco 2970H

  • Page 1 Model 2970H Leveling System Operator Manual (D-082301DJC01C) Hillco Technologies, Inc. 107 1 Ave. Nezperce, Idaho 83543-5062 Phone: 800.937.2461 Fax: 208.937.2280 www.hillcotechnologies.com...
  • Page 2: Serial Number Location

    Write the serial number and the model number of the Leveling System and combine on the lines provided. If needed, give these numbers to your dealer when you need parts or information for your machine. LEVELING SYSTEM MODEL NUMBER 2970H LEVELING SYSTEM SERIAL NUMBER 2970 - COMBINE MODEL NUMBER...
  • Page 3: Table Of Contents

    AINTENANCE ELECTRICAL OPERATION ....................10 ELECTRICAL SETTINGS ....................11 LIMIT SWITCHES ......................11 MECHANICAL ADJUSTMENTS ..................11 WIDTH – Slope MODEL 2970H TREAD Restrictions.............11 TIRE SELECTION – Slope Restrictions .................12 HEADER AND COMBINE CONNECTION ..............12 REAR AXLE WEIGHTING....................13 REAR AXLE EXTENSION POSITIONING ..............13 REAR AXLE TOE IN ......................14 TRANSITION DRIVE CHAIN..................14...
  • Page 4: Warranty Policy

    ARRANTY OLICY...
  • Page 5 Hillco Technologies’ website at www.hillcotechnologies.com. HILLCO MODEL 2970H LEVELING SYSTEM This manual covers the Hillco 2000 Series Model 2970H Leveling System built by Hillco. Use the Table of Contents as a guide when searching for specific information.
  • Page 6: Safety

    ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! The Safety Alert symbol identifies important safety messages on the Hillco 2000 Series Leveling System and in the manual. When you see this symbol, be alert to the possibility of personal injury or death.
  • Page 7: Operation Safety

    6. Do not make any repairs to the leveling system hydraulic system including: cylinders, valves, hydraulic hoses, adapters, pumps, manifolds, or reservoirs without first contacting you authorized Hillco dealer. These hydraulic components stabilize the chassis of the combine. Improper repair or replacement of these components could lead to uncontrolled leveling of the combine’s chassis.
  • Page 8: Highway Operation And Transport Safety

    3. Hydraulic oil is under pressure. Use caution when dealing with the hydraulic system. 4. Keep hands, feet clothing and hair away from all moving and/or rotating parts. 5. Clear the area of bystanders, especially children, when carrying out any maintenance, repairs or making any adjustments.
  • Page 9 SAFETY LABEL LOCATIONS...
  • Page 10: Safety Label Specifications

    These safety labels should be present and legible at all times. If new labels are needed, or you have any questions concerning safety, Label #7 please contact Hillco at 1-800-937-2461. Part number: LL20-100785 Locations: 1 (ladder well)
  • Page 11: Operation

    Important tire and tread width restrictions apply to the use of combines equipped with the Model 2970H Leveling system that are intended for use on slopes exceeding the maximum leveling capability. See the “Slope Restrictions” section of this manual for important details of these restrictions.
  • Page 12: Electrical Settings

    MECHANICAL ADJUSTMENTS WIDTH – Slope MODEL 2970H TREAD Restrictions The Model 2970H Leveling System is designed around a main undercarriage length of 114.5” or 122.5”. The 114.5” undercarriage is designed for use with dual tire packages where 120-180” tread spacing is preferred for 30” rows. Use of the 114.5”...
  • Page 13: Tire Selection - Slope Restrictions

    145” tread spacing. The minimum allowable tread width for use on a Model 2970H leveling system is 145”. The 145” tread spacing is prohibited from use on slopes that exceed 27% or the maximum leveling capability of the combine.
  • Page 14: Rear Axle Weighting

    REAR AXLE WEIGHTING The HILLCO Model 2970 Leveling System is designed to transfer enough weight to the rear axle of the combine for proper balance that no additional weight is needed. If the operator determines that additional weight is needed on the rear axle to ensure optimal down hill...
  • Page 15: Rear Axle Toe In

    REAR AXLE TOE IN If the rear tire and wheel size changed after the proper sized rear tires were installed the toe in should be checked. Consult your combine’s operator’s manual on the correct toe in for your tire and wheel size. TRANSITION DRIVE CHAIN Check to see that the transition drive chain is in proper alignment and has proper tension.
  • Page 16: Ladder

    HYDRAULIC SETTINGS Refer to the Hydraulic Safety section for precautions regarding the hydraulic system. The Model 2970H Leveling System uses an auxiliary pump and single station manifold for its leveling hydraulic requirements. It utilizes the combines original auxiliary hydraulic system for lateral header tilt control.
  • Page 17: Hydraulic Cylinders

    Do not make any repairs to the cylinders, disconnect valves or any hoses connected to the cylinders, counterbalance valves, bulkhead mount or manifold without first contacting your authorized Hillco dealer. These hydraulic components stabilize the chassis of the combine. Improper repair or replacement of these components could lead to uncontrolled leveling of the combine’s chassis.
  • Page 18 Grease Locations (continued) GREASE BULKHEAD: Grease All Five Zerks Every 50 hrs. of Operation These Zerks Lubricate the Main Pivot Pin, Master Cylinder Rod and Base End, and the Base End of the Leveling Cylinders Left and Right Leveling Cylinders Rod End Grease Every 50 hrs...
  • Page 19: Fasteners

    FASTENERS Check Bolt Tightness • After the first 10 hours of operation • Every season The following bolts are torqued to special specifications because of the application in which they are used. Transmission Mount Bolts: John Deere Torque specifications Final Drive Housing Bolts: John Deere Torque specifications Drive Wheel Hub Bolts: John Deere Torque specifications...
  • Page 20 Torque specifications for certain fasteners may vary from this chart. Do not use any of the bolt torque specifications listed in this chart without first reading the “Fasteners” section in this manual.
  • Page 21 Torque specifications for certain fasteners may vary from this chart. Do not use any of the bolt torque specifications listed in this chart without first reading the “Fasteners” section in this manual.
  • Page 22: Tire Inflation

    TIRE INFLATION Keep the tires properly inflated to the pressure shown in the inflation pressure tables for the front and rear tires. Both under-inflation and over-inflation are detrimental to tire life. Don’t re-inflate a tire that has been run flat or when there is obvious or suspected damage to the tire or wheel components.
  • Page 23: 2970H Electrical Circuit Schematic (Early Serial Number )

    2970H E LECTRICAL IRCUIT CHEMATIC ARLY ERIAL UMBER...
  • Page 24: 2970H Electrical Circuit Schematic (Late Serial Number )

    2970H E LECTRICAL IRCUIT CHEMATIC ERIAL UMBER...
  • Page 25: 2970H Hydraulic Circuit Schematic

    2970H H YDRAULIC IRCUIT CHEMATIC...
  • Page 26 NOTES...
  • Page 27 NOTES...

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