Nortrac 70XTC Owner's Manual
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Nortrac 70XTC Owner's Manual

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NorTrac 70XTC Tractor
Owner's Manual
Sold By
Northern Tool & Equipment, Inc.
P.O. Box 1299
Burnsville, MN 55337
Tel.: 1-800-222-5381
www.northerntool.com
YFXT70OMAN

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  • Page 1 NorTrac 70XTC Tractor Owner’s Manual Sold By Northern Tool & Equipment, Inc. P.O. Box 1299 Burnsville, MN 55337 Tel.: 1-800-222-5381 www.northerntool.com YFXT70OMAN...
  • Page 2 Engine Serial Number Date of Purchase Where Purchased/Contact Information Owner Name Complete this form carefully at purchase. All SN’s in this form should be recorded completely (including letters). Distributed by Northern Tool & Equipment Co., Inc. Burnsville, MN 55306-6936 Made in China...
  • Page 3 User Notices Thank You Thank you for purchasing a NorTrac tractor from Northern Tool + Equipment Company. We value you as a customer and wish you many years of safe and satisfied use of your tractor. Using Your Owner’s Manual This Owner’s Manual is an important part of your tractor and should remain with the tractor if you sell it.
  • Page 4 Overview This manual describes safety precautions as well as running-in, proper usage, technical maintenance, adjustment, faults and troubleshooting methods for various parts of the Nortrac XTC tractors. The manual gives an in-depth look and should be used as a reference tool for owners and maintenance personnel. In this manual, the safety alert symbol prompts important safety information.

  • Page 5: Table Of Contents

    Table of Contents Table of Contents 1. Safety Precautions ............................ 1 1.1 Safety rules and notices of use ......................... 1 1.2 Safety warning symbols ........................... 6 1.3 Preventing farm machine hazards......................10 2. Operating Instructions ........................... 14 2.1 Commonly used identifiers ........................14 2.2 Product description ..........................
  • Page 6 Table of Contents 4.5 Brake adjustment and maintenance ......................72 4.6 Steering system adjustment and maintenance ..................74 4.7 Four wheel drive adjustment and maintenance ..................74 4.8 Transfer case adjustment and maintenance..................... 75 4.9 Tire adjustment and maintenance ......................75 4.10 Electrical system adjustment and maintenance ..................

  • Page 7: Safety Precautions

    Safety Precautions 1. Safety Precautions 1.1 Safety Rules and Notices of Use Reading Prior to Use The instructions for use, maintenance, and the safety warning identifiers should be fully read and understood. The correct usage and operating method should be observed. Local traffic rules and safety regulations must be observed at all times.
  • Page 8 Safety Precautions Waste Oil Disposal 1． Used machine oil is a hazardous waste. Dispose of it properly. 2． The used acid from the battery is also a hazardous waste. Dispose of it properly. Fig.1-5 Waste oil disposal Hydraulic Line Leaks Do not use your hand to check for leaks in the high-pressure hydraulic oil lines.
  • Page 9 Safety Precautions Emergency Procedures In case of a brake failure, hold the steering wheel firmly, wait until the tractor has come to a complete stop and then shut down the engine. If the steering malfunctions, brake immediately and shut down the engine. If fire should occur, immediately shut down the engine and get off the tractor.
  • Page 10 Safety Precautions avoid tipping. 10. When crossing or going under a bridge or going through a tunnel, pay full attention to the load height. 11. Use the lowest gear with the clutch enabled on a down slope. Never put the tractor in neutral and coast downhill as this can cause instability.
  • Page 11 Safety Precautions Never approach the PTO shaft when it is running. Never take sudden turns when the PTO shaft is under load, as this can damage the universal joint or the PTO shaft. When the PTO shaft is not in use, the PTO lever should be returned to the neutral position.

  • Page 12: Safety Warning Symbols

    Safety Precautions clutch and power train. To increase work efficiency, the power supply should never be shut off during a turn, and the lifting height must be maintained at 200 mm. (7.88 in.) above the ground. 4. Hanging farm implements can shift tractor weight. They should be low to the ground before exi ting the tractor.
  • Page 13 Safety Precautions During machine operation, keep a safe distance from the hot surface of the machine, as it can cause serious burns. Location: outer side of damper, water tank flank. Fig. 1-10 Safety warning identifier Please keep a safe distance from the tractor when it operating, to avoid any personal injuries.
  • Page 14 Safety Precautions Do not open or dismantle the safety hood and keep your hands away from the engine when it is running. Location: on the engine hood. Fig. 1-15 Safety warning identifier Always start the engine from a secure position in the driver’s seat. Location: in front of the instrument panel.
  • Page 15 Safety Precautions Please follow the requirements for fuse connections, otherwise this may cause damage to the electric components or start a fire. Please follow the requirements for fuse connections, otherwise it may cause damage to the electrical elements or Location: near the electric fuse box. create a fire.

  • Page 16: Preventing Farm Machine Hazards

    Safety Precautions Preventing Farm Machine Hazards The following article describes important general safety precautions for machinery such as the NT-204C/NT-254 tractor. It is reprinted here with permission from Professor Thomas L. Bean, Safety Leader and Professor, Department of Food, Agricultural, and Biological Engineering, The Ohio State University Extension, The Ohio State University. AEX-593-91 Thomas L.
  • Page 17 Safety Precautions Both shear and cutting points are created on machinery designed to cut, such as harvesters, and on those that are not designed to cut, such as augers. They are hazardous because of their cutting force and they often move so rapidly that they may not be visible, so it is easy to forget they are operating or to underestimate the hazard.
  • Page 18 Safety Precautions or if the shaft is nicked. Ends of shafts that protrude beyond bearings are also dangerous. Universal joints, keys and fastening devices can also snag clothing. Check all equipment for potential wrap points and, if possible, shield those that can be shielded. Replace any damaged manufacturer-installed warning labels and place warnings on equipment parts not previously labeled.
  • Page 19 Safety Precautions Springs Compressed springs (Fig. 4 below) will expand with great force when released, and springs that are stretched will contract rapidly when released. Know what direction a spring will move and how it might affect another machine part when released, and stay out of its path.

  • Page 20: Operating Instructions

    Operation Description 2. Operating Instructions NOTE: Operating the tractor properly will result in maximum performance efficiency, reducing tractor wear and helping to prevent accidents. 2.1 Commonly Used Identifiers Table 2-1 Common Symbols Symbols Definition Symbols Definition Symbols Definition Safety warning Four-wheel drive Horn identifier...

  • Page 21: Product Description

    Operation Description 2.2 Product Description The following information will help you use, maintain, adjust and troubleshoot the 70XTC tractor. This series of wheeled tractor are medium-sized tractors that can be used in a variety of land types. The tractors have a compact structure and are easy to control with responsive steering, a high lift capacity and low maintenance.
  • Page 22 Operation Description Tractor Instrumentation The instrument panel includes operating indicators for the electrical system such as the engine tachometer, engine coolant temperature gauge, fuel gauge, oil pressure gauge, engine oil pressure warning light, charge warning light, headlight on/off indicator, headlight high/low beam indicator, and turn signal indicator. Instruments and gauges 1.
  • Page 23 Operation Description Fuel Gauge The fuel gauge indicates the level of diesel fuel in the fuel tank. Direction of the pointer: Rightmost position: Indicates that fuel tank is filled. Leftmost position: Indicates that there is not enough fuel in the tank and it should be filled immediately. Figure 2-5 Fuel Gauge Oil Pressure Gauge The oil pressure gauge indicates the oil pressure in the engine in Mpa.
  • Page 24 Operation Description IMPORTANT NOTES: Before starting the engine turn the ignition switch to ON. This turns on the engine warning lights. Check if the above two lights are illuminated. If they are not illuminated, the bulbs may be damaged or the circuit may be faulty.
  • Page 25 Operation Description Headlight Dimmer Switch ― 1‖ Position: Headlights are on low beam. ―0‖ Position: Spare. ―2‖ Position: Headlights are on high beam when light switch is in ―2‖ Position. This switch works with the headlight/taillight switch. The headlights must be turned on before they can be set to high beam.
  • Page 26 Operation Description Hazard Warning Switch The hazard warning switch should be used in case of a tractor malfunction where the tractor is stopped in a potentially dangerous area. ―1‖ Position: Flashers on. ―0‖ Position: Flashers off. Figure 2-19 Warning Flashers Switch Turn Signal Indicators Switch ―1‖...

  • Page 27: Starting The Engine

    Operation Description 2.4 Starting the Engine IMPORTANT ISSUES: Before starting the tractor, inspect it for damage or loose parts that could cause an accident. Check the radiator regularly and make sure that you have a clean water/antifreeze mix to avoid overheating of the engine.
  • Page 28 Operation Description 2.4.1.1 Check The Oil And Water Level And Related Components. Check the engine oil pan, the gearbox, the rear axle and lube oil level for the hydraulic system. There should be enough fuel in the fuel tank. Antifreeze should be added to the cooling system, if necessary. IMPORTANT NOTE: When checking the oil level, the tractor should be parked on level ground.
  • Page 29 Operation Description Steering Oil Cylinder Maintenance The steering oil cylinder is located under the cover on the front of the tractor. It should be filled when low. Figure 2-26 Steering Oil Cylinder Maintenance 2.4.1.2 Fuel Tank Sediment Cup Switch For proper sediment cup switch position, see diagram 2-27. Figure 2-27 Sediment Cup Switch 2.4.1.3 Turn the hand throttle to set it to a semi-open status.

  • Page 30: Starting The Tractor

    Operation Description Starting the Electromotor NOTE: Before starting the engine, the main and auxiliary gear shift levers and front drive control handle need to be in the neutral position and the distributor control handle needs to be set in the lowering position to prevent the tractor from starting by accident and a loss of control.

  • Page 31: Putting The Tractor In Motion

    Operation Description  Starting the Engine in Low Temperatures (below 40  When starting the tractor in low temperatures (below 40 use the engine preheater. Put the fuel throttle lever in the one-quarter throttle position, turn the key clockwise to H position and leave it on H for 15–20 seconds.

  • Page 32: Steering The Tractor

    Operation Description WARNING: 1. When running the tractor at high speed, never use the single-side brake for sharp turns. Use both brake pedals. If you hear an abnormal noise from the front wheel, the steering wheel needs to be adjusted so that you do not cause damage to the hydraulic steering system due to an overload.

  • Page 33: Shifting Gears

    Operation Description 2.8 Shifting Gears With Optional 10+10 Shuttle Type Gear Shift (only used in tractors with shuttle gear shift 10+10) Forward Direction Shuttle Gear Shift Main Gear Shift Assistant Gear Lever A Lever B Shift Lever C Figure 2-29 10+10 Gear Shift Gear Lever Shift Description The tractor transmission gears can be engaged with three control levers: the shuttle shift, the main gear shift, and the auxiliary gear shift to allow 10+10 shifts.

  • Page 34: Differential Lock Operation

    2.10 Front Axle Drive Operation The NorTrac 70XTC series of 4-wheel drive tractors can be used for normal operations in the field and on wet and soft soil. If only rear wheel drive is used, the traction may be insufficient.

  • Page 35: Tractor Braking

    Operation Description Release the clutch pedal slowly. After the tractor moves a little, immediately pull the front drive axle control handle backward to change the two-wheel drive into four-wheel drive. Disconnecting the Front Axle Drive Step on the clutch pedal. Push the front drive axle control lever forward to disconnect the front drive axle. IMPORTANT ISSUES : When driving the tractor on a hard-surface road, never connect the front drive axle.

  • Page 36: Stopping The Tractor And Engine Shutdown Procedure

    Operation Description 2.12 Stopping the Tractor and Engine Shutdown Procedure 1. Throttle down to decrease the tractor’s running speed. 2. Step on the clutch pedal and then the brake pedal. When the tractor stops, set the shift lever in to the neutral position.

  • Page 37: Counterweight Use

    Operation Description During field operations, the air pressure of the tire should be appropriately lower than when running on the road. Tire pressure is best checked under normal temperatures. Checking a tire when it is hot can result in an incorrect measurement. When driving the tractor, avoid jumping over obstacles at high speed, sudden braking or quick turning.

  • Page 38: Driver's Seat Adjustment

    Operation Description WARNING : Before removing the rear wheel, with rear counterweights, from the tractor, first remove the counterweight from the tire to avoid an accident or injury. 2.14.2 Front Counterweight Use In order to adjust the relation between front and rear axle loads of the tractor, it is necessary to install front counterweights.

  • Page 39: Hydraulic Suspension, Pto And Electrical System Operation

    Operation Description NOTE： 1. For safety, the seat should not be adjusted when the tractor is in motion. 2. Making the seat too soft can make running the tractor on uneven surfaces particularly challenging and cause a loss of sight lines. 2.15 Hydraulic Suspension, PTO, and Electrical System Operation The Series 70XTC tractor uses a semi-separate hydraulic lifting system with two types of adjustment modes: position adjustment and height adjustment.
  • Page 40 Operation Description 2.16.3 Application of the Hydraulic Output and Lock  Turn the adjustment valve (B) in a counterclockwise direction until the valve is closed. This will also close the adjustment valve on the inlet and outlet of the oil cylinder. The male connector on the quick change coupler is connected with the oil inlet of the farm implement.
  • Page 41 Operation Description 2.16.5 Use of Multiway Valve  Shut off the engine.  Put the lifter in the lowering position.  Move the hydraulic output valve operation handle forward and backward, in order to eliminate the pressure in the hydraulic quick disconnect. ...
  • Page 42 Operation Description 2.16.6 Adjustment of the Hydraulic Lift System When plowing, in order to keep the tilling depth of all the plowshares consistent from beginning to end, the longitudinal and horizontal level adjustments need to be used.  Longitudinal level adjustment: Adjust the length of the upper tie rod (A) to keep the plow frame level in the longitudinal direction, so as to make the tilling depth of all the plowshares the same.
  • Page 43 Operation Description 2.16.7 Sway Bar Adjustment The sway bars are mainly used to prevent impact on the rear wheels of the tractor caused by an overlarge swing of the lower tie rod when the tractor turns around at the end of a field with a lifted farm implement in tow. When the farm implements are in the plowing position, the sway bars are in a loose state.
  • Page 44 Operation Description 2.16.8 Power Take Off (PTO) Shaft Use To connect and disconnect power to the power take off (PTO) shaft the double-acting clutch, the PTO gear shift handle, and the PTO disconnect control handle are used. When the clutch pedal is pushed down part way it disconnects the engine clutch, and when it is pushed down all the way down it disconnects the PTO clutch.
  • Page 45 Operation Description 2.16.9 Electrical Equipment Use The electrical system of the 70XTC Series Tractor uses a 12V double wire system with a negative ground. 2.16.9.1 Battery The battery is used to store the electrical energy produced by the alternator. The battery can then supply electrical power to the electrical equipment on the tractor when the alternator is not turning or is running at low speed.

  • Page 46: Tractor Upper Chassis

    Operation Description 2.16.9.4 Auxiliary Electrical Equipment  The fuse box: has 15 fuses, total, 7 for normal use, and the others for spares. Fuses are used to protect electrical equipment. Replace burned out fuses immediately. Each fuse’s rating should coincide with the requirements on the electrical schematic.
  • Page 47 Operation Description 2.17.1.2 Locking the Tractor Hood Pull the hood down, either directly or with the strap that keeps it from opening too far. When the hood lowers into the right position it will automatically lock in place. Figure 2-43 Locking the Tractor Hood 2.17.2 Instrument Console The electrical control switches and the tractor instrument panel are mounted on the instrument console...
  • Page 48 Operation Description 2.17.4 Cab Doors The door has a contoured frame of steel tubing that holds a large glass window. When opening the door, turn the key (1) clockwise. Remove the key, grasp the door handle (3), and press down with your thumb on the button (2). Turn and pull the outside handle (6) and the door will open.
  • Page 49 Operation Description 2.17.7 Cab Rear Window The tractor cab rear window is a semi-automatic upward Opening type. There are two opening positions; normal and maximum. ● Normal Position: Rotate the handle (1). When the front part of the handle protrudes, push the handle until the bulge on the rear of the handle reaches the slot.

  • Page 50: Tractor Break-In

    Operation Description Individual Ventilation Control  Close the water inlet/outlet switch of the engine heater.  Close the compressor switch on the left side of the control plate.  Adjust the airspeed by using the switch in the middle of the operator panel for outside vented air.
  • Page 51 Operation Description 2.18.1 Break-In Preparations  Check the exterior bolts and nuts of the tractor, and tighten them if necessary.  Fill each lubrication point with grease according to the Lubrication Chart.  Check the oil level in the engine oil pan, transmission,-rear axle, lifter, front axle and the steering oil cylinder according to the lubrication chart.
  • Page 52 Operation Description 2.18.5 Break-in – No Load  After breaking-in with the power output shaft and the hydraulic suspension, the entire tractor should be run in. During idle break-in, make turns at low speed using the single-side brake and also test the emergency brake at high speed.
  • Page 53 Operation Description During break-in, pay attention to the following:  Check to make sure that the electrical equipment and the readings for various instruments are normal.  Make sure that the engine is running normally.  Check to see that the clutch engages smoothly, and disengages completely. ...
  • Page 54 Operation Description 7. Check the front wheel toe-in and the free stroke of the clutch/brake pedal, and adjust if necessary. 8. Check and tighten all of the exterior screws, bolts and nuts. IMPORTANT NOTE : The length of clutch release pull rod should be checked and adjusted frequently to ensure that clutch pedal has 40–4 mm.

  • Page 55: Tractor Common Faults And Troubleshooting Methods

    Operation Description 2.19 Tractor Common Faults and Troubleshooting 2.19.1 Clutch Faults and Troubleshooting Table 2-4 Clutch Faults and Troubleshooting Fault Causes Solutions (1) The clutch plate and pressure plate are (1) Clean with solvent. Find the cause dirty or greasy and eliminate the fault (2) The clutch plate is excessively worn (2) Replace the clutch plate...
  • Page 56 Operation Description 2.19.2 Gearbox Fault and Troubleshooting Table 2-5 Gearbox Faults and Troubleshooting Fault Causes Solutions (1) Clutch has not disengaged completely (1) Troubleshoot according to the (2) Gearshift interlocking rod is too long clutch type Putting the tractor (3) The shift lever fork is severely worn (2) Shorten the gearshift into gear is difficult (4) The end face of the engagement sleeve or...
  • Page 57 Operation Description 2.19.3 Rear Axle Faults Troubleshooting Table 2-6 Rear Axle Faults and Troubleshooting Fault Causes Solutions (1) The bearing play of the small conical gear (1) Adjust according is too large to requirements (2) Gear engagement is abnormal (2) Readjust according (3) The bearing of the conical gear pair or the to requirements gear pair is damaged...
  • Page 58 Operation Description or worn unevenly according to the specifications (3) The air pressure of the two rear tires is not the same (1) Brake pedal free play is too small (1) Adjust Brakes do not (2) Brake return spring failure (2) Replace completely disengage (3) Inadequate clearance between brake shoes...
  • Page 59 Operation Description 2.19.6 Hydraulic Steering System Faults and Troubleshooting Table 2-9 Steering System and Running System Faults and Troubleshooting Fault Causes Solutions (1) Steering gear thrust bearing worn (1) Replace bearings or adjust Free stroke of steering (2) Steering gear screw, nut and ball worn (2) Replace wearing parts system is too large (3) Gear sector and rack worn...
  • Page 60 Operation Description (1) The oil supply to the gear oil pump is (1) Check the gear oil pump. insufficient, or the gear oil pump leaks inside Clean the filter screen or the filter screen in the steering oil tank is (2) Bleed the air from the system blocked.
  • Page 61 Operation Description (1) Steering cylinder leaks oil (1) Find and fix oil leak (2) In the neutral position, when the oil (2) Repair or replace Steering wheel does not pressure is too high or the steering wheel steering cylinder return to neutral position stops turning, the steering cylinder will not (3) Reassemble and adjust when steering...
  • Page 62 Operation Description (1) The tightness of the check valve in the (1) Clean the check valve, and lap hydraulic flow hydraulic flow distributor it-in if necessary is poor (2) Clean or lap in the (2) The lowering valve is not sealed tightly lowering valve Farm implements (3) The oil cylinder safety valve leaks oil or is...
  • Page 63 Operation Description 2.19.8 Starter Faults and Troubleshooting Table 2-11 Starter System Faults and Troubleshooting Fault Causes Solutions (1) Battery capacity is insufficient (1) Charge the battery according to (2) Battery terminal is dirty the specifications (3) Cable connection is loose (2) Remove dirt and corrosion (4) The wires in control circuits such as the (3) Tighten cable connector...
  • Page 64 Operation Description 2.19.9 Alternator Faults and Troubleshooting Table 2-12 Alternator Faults and Troubleshooting Fault Causes Solutions (1) Wiring is wrong, broken, and/or making (1) Check and repair the circuits poor contact (2) Replace alternator (2) Rotor circuit broken (3) Replace alternator The alternator does not (3) Rectifier diode damaged (4) Replace alternator...
  • Page 65 Operation Description 2.19.11 Instrument Faults and Troubleshooting Table 2-14 Instruments Faults and Troubleshooting Fault Causes Solutions (1) Break in the circuit or the plug is (1) Overhaul the circuit, or remove the The water temperature making poor contact dirt at the plug gauge always indicates a (2) The water temperature sensor (2) Replace the water...

  • Page 66: Accessories And Consumables

    Accessories and Consumables 3. Accessories and Consumables 3.1 Accessories Tractor accessories include the heater, interior decoration, floor mats, swing traction rod, etc. 3.1.1 Heater The tractor cab heater is in the top front of the cab. There is a heater switch on the heater that turns the heater fan on and off, in order to ensure a comfortable working temperature in the cab.

  • Page 67: Consumable Parts

    3.2 Consumable Parts (not included with tractor purchase) Consumables for the NorTrac 70XTC Series Tractor includes: all bearings listed in appendix 10.3, all oil seals and sealing rings listed in appendix 10.4, all fuses, bulbs, various rubber boots, various glass products and belts used for the tractor listed in table 3-2.
  • Page 68 Accessories and Consumables Sequence No. Code Description Quantity/Set Remark Right side of rear FT65T.45.842 lower window TA700.451-01 Front- left window glass TA700.451-02 Front-right window glass TA700.451.2-01 Left door glass TA700.451.3-01 Right door glass FT65.45.328a Dust cover for the floor Dust cover for TFT65.45.303 differential lock Sealing boot for...

  • Page 69: Maintenance Instructions

    The technical maintenance schedule for the NorTrac 70XTC Series tractor is based on the accumulated work hours, which includes maintenance for every shift (every 10 work hours), every 50 work hours, every 250 work hours, every 500 work hours, every 1000 work hours, every 1600 work hours, and maintenance in winter and for long-term storage.
  • Page 70 Maintenance Instructions 4.1.1 Technical Maintenance for Every Shift (every 10 work hours) 1. Remove the dust, oil and dirt from the tractor, and clean the air filter if working in dusty conditions. 2. Check and tighten (if necessary) each fastener outside the tractor, especially the fastening nut for the front and rear wheels.
  • Page 71 Maintenance Instructions 4.1.3 Technical Maintenance for Every 250 Work Hours 1. 1. Perform all technical maintenance required after 50 work hours. 2. 2. Lubricate all grease fittings according to Table 4-1. 3. 3. Change the engine oil and the oil filter. 4.
  • Page 72 Maintenance Instructions 4.1.5 Technical Maintenance for Every 1000 Work Hours 1. Perform all technical maintenance required for every 500 work hours. 2. Change the hydraulic system oil. 3. Flush cooling system and radiator. Refill with a 50/50 water/anti-freeze mixture. 4. Clean the transmission case and change the oil in the transmission when the tractor is warm. 5.
  • Page 73 : After performing tractor maintenance and all cleaning and repair is completed, all the guard covers and plates should be reassembled. Otherwise, it can cause a potential safety hazard. All waste oil should be collected in a suitable container and disposed of properly. Table.4-1 NorTrac 70XTC Tractor Maintenance Table No. of Maintenance Time...

  • Page 74: Clutch Adjustment And Maintenance

    Maintenance Instructions filter core Front- drive axle Fill if Check oil level end-transmission necessary Grease cup for four-wheel drive Fill lube grease main pin Fill if Front -drive axle differential Check oil level necessary Change Hydraulic steering oil pan hydraulic oil Change Lifter hydraulic oil...
  • Page 75 Maintenance Instructions 4.2.1.2 Clutch Fingers Adjustment When the previous adjusement does not meet the requirements of 35–40 mm. of clutch pedal free travel, it means that the throwout bearing has moved backward and is sitting tight on the carrier. The following adjustment inside the clutch should be carried out: 1.

  • Page 76: Transmission Adjustment

    Maintenance Instructions 4.2.1.4 Tractor Overhaul Clutch Adjustment and Assembly  There is a group of crescent shaped spacers between the clutch plate and clutch cover, as well as between the engine flywheel and auxiliary (PTO) clutch. During tractor overhaul, if the main/auxiliary friction discs are seriously worn, you can take out some of the adjustment gaskets to provide the disc spring enough pressure.

  • Page 77: Rear Axle Adjustment And Maintenance

    Maintenance Instructions 4.3.1 Checking Transmission and Rear Axle Differential Oil Level The transmission and the rear axle differntial share the same oil sump. The sump uses a transhydraulic oil. The position of the oil filling port on the lifter case is shown in Figure 4-6. When checking the oil level, the tractor should be parked on a level surface.

  • Page 78: Brake Adjustment And Maintenance

    Maintenance Instructions 4.4.1 Rear Axle Maintenance The main drive/driven spiral bevel gear pair for the center drive should be replaced as a matching set. When applying the differential lock, the tractor should be driven in a straight line and steering wheel cannot be operated, otherwise, it will cause mechanical damage.
  • Page 79 Maintenance Instructions 4.5.1.2 Right/Left Brake Friction Discs Total Clearance Adjustment If the total clearance between the right and left brake friction discs are different, and the difference is more than normal, the above-mentioned adjustment method may not be enough. At that time, the brake cover of adjusting gasket (1) can be reduced or increased, to achieve the above-mentioned adjustment after the total clearance is adjusted.

  • Page 80: Steering System Adjustment And Maintenance

    Maintenance Instructions 4.6 Steering Mechanism Adjustment and Maintenance The tractor uses a separate hydraulic steering system consisting of a cycloid rotary valve, a full hydraulic steering gear, a steering oil cylinder, an oil tank, a track rod, a constant and overflow pump, and oil lines.

  • Page 81: Transfer Case Adjustment And Maintenance

    Maintenance Instructions 4.7.4 Four-Wheel Drive Front Axle Right/Left Hub Oil Sump Drain and Fill When checking the oil level on the two front axle hubs, the tires should be turned to allow access to the oil drain and fill plugs on the hubs. The oil level should be near the top of the plug when the plug is at the horizontal centerline of the wheel.

  • Page 82: Electrical System Adjustment And Maintenance

    Maintenance Instructions 4.9.1 Tire Inflation Tire air pressure should be kept according to the regulations. Four-Wheel Drive Type: Both the front and rear tires are inflated to 0.11–0.14Mpa (16-20 PSI). When the drive wheel slips you need to shut down the tractor and troubleshoot immediately. Do not run at high speed on uneven or rough roads.

  • Page 83: Battery Maintenance

    Maintenance Instructions 4.10.2 Battery Maintenance Normally the maintenance-free battery does not require any special maintenance. Water does not have to be added to maintain the level of electrolyte since the battery is sealed. You can observe the power levels from the view hole in the battery: Green = full power;...
  • Page 84 Maintenance Instructions 4.10.3 Front Headlights The position of combined headlights is shown in Figure 4-24. Figure 4-24 Combined Front Head Lamp Position 4.10.4 Taillight Assembly The position of the rear lamp and tail lamp assembly (steering, position and braking) is shown in Figure 4-25. Figure 4-25 Taillight Assembly and Position 4.10.5 Headlight Illumination Intensity Distribution As Figure 4-26 shows, the curve of the illlumination intensity distribution is...

  • Page 85: Hydraulic Suspension System Maintenance

    Maintenance Instructions 4.10.6 Top Lights There are four top lights on the cab, which are located on the front upper and rear upper parts of the cab. The cab front top lights are shown in Figure 4-27; the cab rear top lights are shown as Figure 4-28.
  • Page 86 Maintenance Instructions 4.11.1 Control Handle and Feedback Lever Adjustment  Install the lifter on the tractor, connect the hoses and fill the hydraulic oil reservoir.  Mount the suspension bar and hang a load of approximately 200～300kg at the lower suspension point. Place the control handle in the lowest position.
  • Page 87 Maintenance Instructions 4.11.3 Lifter Height Limiter Procedure (for a double-acting oil cylinder system) 4.11.3.1 Lifter Height Limiter Function and Structure Diagram You can control the lift height of farm implements by adjusting the position of the limitor (see adjustment procedure). Refer to the Figure 4-33 and make any adjustments as per the procedures described, to prevent breakage of the PTO shaft caused by the farm implement being lifted too high.

  • Page 88: Air Filter Use And Maintenance

    Maintenance Instructions 4.11.3.3 Hydraulic Suspension System Oil Use and Maintenance  The lifter cover is on the oil tank of the hydraulic suspension system. International standard hydraulic oil should be used according to the environment.  Check every 50 hours to see if the oil level in the lifter cover is within the oil level stick range.
  • Page 89 Maintenance Instructions inside of the filter housing and the used safety filter element surface prior to reinstalling the filter element. Do not use compressed air to clean up the filter housing. Repair any holes immediately and log the repair into the machine service and maintenance record. Throw away any damaged filters and replace with a new filter.

  • Page 90: Electrical Schematic

    Electrical Schematic...

  • Page 91: Storage

    Storage 5. Storage When the tractor is going to be out of use for an extended period of time (more than one month) it should be kept in a proper storage building. The storage facility should provide protection from the elements so as to keep the tractor clean and prevent rust and corrosion.

  • Page 92: Storage Period Maintenance Of The Tractor

    Storage  Loosen the fan belt on the engine and remove it if necessary. Wrap the belt(s) securely and spray the pulley groove with a rust-proof agent. If possible, paint over all chips in the paint and cover non-painted metal parts with a preservative. ...

  • Page 93: Removing Tractor From Storage

    Storage 5.4 Removing Tractor from Storage  Remove the grease used for anti-rusting.  Reopen the various sealed up nozzles and clean the tractor.  Check coolant, machine oil, and diesel fuel and lubricate all of the lubrication points according to the provisions.

  • Page 94: Transportation

    Transportation 6. Transportation If the tractor is to be driven by the owner, local traffic regulations should be strictly observed with at least 180 feet of distance maintained between vehicles. If the tractor is being transported, the following procedures should be followed: A smooth, level spot should be selected for loading and unloading the tractor.

  • Page 95: Technical Specifications

    Technical Specifications 7. Technical Specifications 7.1 Four Wheel Drive Tractor Technical Specifications Table 7-1 4WD Tractor Technical Specifications NorTrac Item Unit 70XTC Type Wheeled 4x4 Nominal Traction Power Maximum Power of the 46.4 PTO Shaft Length (includes front counterweight and rear 4200 suspension) Width (outside tire in case...
  • Page 96 Technical Specifications NorTrac Item Unit 70XTC Wheel the cab With the cab 1535 Without Rear 1720 the cab Wheel With the cab 1870 Front counterweight Counterweight Rear counterweight Model of Engine Forced water cooled, vertical aligned four stroke engine Number of Cylinders Diameter of Cylinder 100 (Lovol power) Travel...
  • Page 97 Technical Specifications NorTrac Item Unit 70XTC Differential Close 2 bevel planet gear Final Mono-planet gearing Transmission Frame Assembly Frameless Front Suspension Rigid suspension Front Shaft/Front Axle Double universal coupling, mono-planet reducing transmission Tire Front Wheel 118–137 Rear Wheel 118–137 Pressure Standard: 8.3-24/14.9-30 Front/Rear Wheels...
  • Page 98 Technical Specifications NorTrac Item Unit 70XTC Hole Width Joint φ28.7 Hole Width Common hoister: press adjustable, gear position regulated, Plow Depth Adjusting force position mixed adjustable and floating controlled Modes Or force hoister: height adjustable, floating controlled Max. Hoist Power Common hoister：≥15 （KN）...
  • Page 99 Technical Specifications NorTrac Item Unit 70XTC Start-Up Power 6-Q-165 Type Capacity A·h Battery Voltage V(voltage) Amount Headlight Double-filament bulb 45/40W(watt) (one piece, each for L/R) Taillight 55 W(one piece, each for L/R) Horn Single Horn Front Turn Signal 21 W(one piece, each for L/R) Tail Light Turn indicator : 21 W;...
  • Page 100 Technical Specifications NorTrac Item Unit 70XTC Front Drive Axle 11.5...

  • Page 101: Disassembly And Disposal

    Disassembly And Disposal 8. Disassembly and Disposal After the machine reaches the end of its service life, for your personal s afety and the protection of the environment, please deliver it to the licensed company specialized in the disassembly and recycling of such products.

  • Page 102: Warranty Terms

    LIMITED WARRANTY 4WD Diesel Tractor NorTrac equipment is sold by NorTrac; a division of Northern Tool & Equipment Company, Inc. NorTrac will repair or replace, at its option, any part(s) thereof of the NorTrac 4WD diesel tractor or compact crawler / bulldozer that are shown to be defective in material and/or workmanship, under normal use during the applicable warranty period.
  • Page 103 In no event will NorTrac or Northern Tool & Equipment Company, Inc. be liable for any loss of income, loss of time or use of the product, transportation, hiring of alternative services, commercial loss or any other incidental, consequential, or special damages and / or expenses.

  • Page 104: Appendixes

    10. Appendices 10.1 Tractor Fuel, Oils and Solutions The fuels, lubricants and solutions used on the tractor should conform to the regulations set forth in the table below. Table 10-1 Tractor Fuel, Oils and Solutions Application Locations of Fuel, Oils and Solutions Oils and Solutions International...

  • Page 105: Torque Table Of Major Bolts And Nuts

    2. If the tractor is working under a blazing sun, the fuel tank should not be completely filled, as this will cause an overflow due to fuel expansion. If fuel overflows, it should be wiped up immediately. IMPORTANT ISSUES: The cooling system should use a 50/50 water/antifreeze mix in all seasons. 10.2 Major Bolts and Nuts Tightening Torque Table Table 10-2 Major Bolts and Nuts Tightening Torque Table...

  • Page 106: Tractor Roller Bearing

    10.3 Tractor Roller Bearings, Needle Bearings and Steel Ball Specifications\ Table 10-3 Tractor Rolling Bearings, Needle Bearings and Steel Ball Specification Standard Code Name and Model Installation Position Quantity Front and rear ends of gearbox Bearing 6211 countershaft Front end of gearbox driving power Bearing 6211-Z shaft gear On long half shaft of rear axle, close...

  • Page 107: Seals Of The Tractor Chassis

    Standard Code Name and Model Installation Position Quantity Steel ball 11.906 Gearbox shift shaft (15/32″) In oil filter base hole １ Steel ball 12 Control lever of rear axle PTO shaft GB/T 308 Steel ball 15 In oil filter base hole Front axle rear pendulum shaft Steel ball 5 bearing seat...
  • Page 108 Standard Code Name and Model Installation Position Quantity Spigot joint of multi-way valve oil return pipe O-ring 103×3.35G Lifter cylinder cover O-ring 11.8×3.55G Lifter cylinder O-ring 55×5.3G Lift arm shaft of lifter O-ring 100×5.3G Lifter cylinder piston O-ring 12.5×2.65G Oil inlet and outlet on lifter cylinder cover Lowering speed regulating valve on lifter cylinder cover O-ring 16×2.65G...
  • Page 109 Distributed by Northern Tool & Equipment Co., Inc. Burnsville, MN 55306-6936 Made in China...
  • Page 110 70 HP On Line Spare Parts System Fill in Choose English http://222.132.52.85:8080/ Choose “Guest” Choose “Parts catalogue” Choose product Model and Code:...
  • Page 111 Then search here TA60 Serials TA704-2F461H2K Then you can find the parts catalog and diagram of the tractor: TA60 Serials TA704-2F461H2K...
  • Page 112 TA60 Serials TA704-2F461H2K...

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