FENDT Vario MT 938 Workshop Service Manual
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FENDT Vario MT 938 Workshop Service Manual

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Workshop Service Manual
Rubber Track Tractor
938 Vario MT
TABF0938xJxxx1001-
940 Vario MT
TABF0940xJxxx1001-
943 Vario MT
TABF0943xJxxx1001-
North America
January 2018
4205 River Green Parkway, Duluth GA 30096 USA
79037272A
FENDT is a worldwide brand of AGCO
EAME
© AGCO 2018
English

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Summary of Contents for FENDT Vario MT 938

  • Page 1 Rubber Track Tractor 938 Vario MT TABF0938xJxxx1001- 940 Vario MT TABF0940xJxxx1001- 943 Vario MT TABF0943xJxxx1001- North America January 2018 4205 River Green Parkway, Duluth GA 30096 USA 79037272A FENDT is a worldwide brand of AGCO EAME © AGCO 2018 English...
  • Page 2 Find manuals at https://best-manuals.com...
  • Page 3 TABLE OF CONTENT General Engine fuel and exhaust systems Frame and suspension Steering system Drive train system Brake system Compressed air system Hydraulic system Electrical system Air conditioning and heating system Chassis Track belt system Implement drive system Implement lift system Attachments Special tools Find manuals at https://best-manuals.com...

  • Page 4: Table Of Contents

    Table of contents 1. General ............1-3 1.1 Safety information 1.1.1 A word to the technician .
  • Page 5 Table of contents 1.6.4.2 Examine the condition of the belts ........1-30 1.6.5 Maintenance to be made at 400 - 800 hours intervals .

  • Page 6: Safety Information

    1. General 1.1 Safety information GUID-3C35D58D-1F5D-4B85-A915-C7BB48F47262 [V1] 1.1.1 A word to the technician Read and understand the safety section in this service manual before operating or servicing the machine. Read and understand the safety sections in the manuals for all attachments before operating or servicing attachments.

  • Page 7: Service Manual

    1. General GUID-96F0DBC2-FDAB-4BE2-A442-8D57B94A81B4 [V1] 1.1.2 Service manual WARNING: Some pictures in the manual show the shields removed to permit a clearer view. Never operate the machine with any shields removed. This service manual has been prepared with the latest service information available at publication. Read and understand the service manual carefully before doing any service on the machine.

  • Page 8: Safety Signs

    1. General IMPORTANT: Identifies special instructions or procedures which, if not followed, can cause damage to the machine, the process, or the area around the machine. NOTE: Information to make procedures easier. GUID-2FB17168-6A01-47C5-B298-234AF171520B [V5] 1.1.6 Safety signs WARNING: Do not remove the safety signs. Replace safety signs that you cannot read, are damaged, or are missing. Clean the machine surface with a weak soap and water solution before you replace the safety signs.

  • Page 9: General Safety Instruction

    1. General GUID-5D629BA7-D659-48B8-A7B0-3B99F135B7BA [V1] 1.1.8 General safety instruction CAUTION: Carefully read the operator manual before operating the machine. See all instructions and safety rules when operating or doing maintenance. GUID-FE6A41D4-536F-4C0D-BE60-FA0CCDEEB171-high.jpg [High] Fig. 4 Do not start the engine until the area is free of personnel.

  • Page 10: Pressurized Air

    1. General • Stop the engine. • Remove the switch key. • Cool the machine. Use other precautions if the conditions and environment make it necessary. For operating this machine in forestry or loader operations: This machine does not have a falling-object protective structure and must not be used in forestry or loader operations.

  • Page 11: Before You Start The Engine

    1. General GUID-344A454E-7D26-49D5-9AB4-3FEEFA88AFD5 [V3] 1.1.13 Before you start the engine Start the engine only from the operator compartment. Never short across the starter terminals or batteries. Shorting can damage electrical system or cause unexpected machine movement. Adjust the seat so full pedal travel can be achieved with operator's back against seat back.

  • Page 12: Parking

    1. General Only operate the machine while in the operator's seat. Securely connect the seat belt while operating the machine. Only operate the controls while the engine is operating. Do a check for the correct operation of all the controls and the protective devices. As a warning operate the horn two times to tell others in the area to prevent personal injury because of machine movement.

  • Page 13: Cut And Crush Prevention

    1. General GUID-C5B3B243-B184-48C6-9CF2-F4FF44F55F30 [V4] 1.1.19 Cut and crush prevention Support the equipment correctly when performing work below the equipment. Do not rely on the hydraulic cylinders to hold up the equipment. An implement can fall if a control lever is moved or if a hydraulic line breaks.

  • Page 14: Burn Prevention

    1. General GUID-1527F9B5-890D-4E6F-AA25-C4A364C27BA9 [V2] 1.1.21 Burn prevention Do not touch any part of an operating engine. Other components such as the transmission, the axles and the oil reservoir can also be hot. Let the engine cool before performing any maintenance on the engine.

  • Page 15: Fluid Penetration

    1. General DANGER: Diesel fuel or hydraulic fluid under pressure can penetrate the skin or eyes. This can cause serious personal injury, blindness, or death. GUID-E76BB0CD-67F0-40CD-A4CC-D6B27E9CDCCE [V2] 1.1.25 Fluid penetration Always use a board or cardboard when checking for a leak. Leaking fluid under pressure can penetrate the body tissue.

  • Page 16: Exhaust Fumes

    1. General Wash hands after touching batteries and connectors. WARNING: WARNING: Batteries contain electrolyte which is an acid that can cause personal injury. Do not let the electrolyte contact the skin or eyes. Always wear protective glasses for servicing batteries. GUID-6942F6BB-021E-47D8-8B36-8FB6CB6088DB-high.jpg [High] Fig.

  • Page 17: Noise Prevention

    1. General GUID-99732186-65C2-4EC3-8EDB-760F7ABE29B7 [V1] 1.1.28 Noise prevention Wear proper hearing protective devices such as earmuffs or earplugs to prevent loss of hearing due to high noise levels. GUID-48B1B90D-20EB-42DB-A016-3CA0AB8AC168-high.jpg [High] Fig. 15 GUID-43C214E0-CE68-4B1B-9480-B36317FC1602 [V3] 1.1.29 Fire and explosion prevention Use caution when refueling a machine. Do not smoke while refueling and do not refuel near open flames or sparks.

  • Page 18: Fire Extinguisher

    1. General explosive. Repair such components in a well ventilated area away from open flames or sparks. Inspect all lines and hoses for wear or for deterioration and replace if necessary. Route hoses correctly. Lines and hoses must have sufficient support and secure clamps. Tighten all connections to recommended torque.
  • Page 19 1. General Do not drive at a speed causing machine to lose control. Obey all traffic rules. Operate the machine with hazard lights on, unless prevented by law. The operation of work lamps while driving on public roads is prohibited. Use of road lamps while moving on public roads is the operator's responsibility.

  • Page 20: Machine Identification Information

    1. General GUID-50F4664B-3C1F-4977-8F2C-B14B939DD001 [V2] 1.2 Machine identification information GUID-B4C4B3E4-103B-4436-AA92-69EC893E09B9-high.jpg [High] Fig. 19 Rubber Track Tractor 1-17 79037272A...

  • Page 21: Serial Number Definition

    1. General Call Description Serial Number Emissions control infor‐ mation / Engine serial number Machine PIN plate Cab serial number (on front frame cross member) Operator seat serial number (on operator seat) Left track belt number Right track belt number Differential serial number GUID-E1FE4A3B-76AB-4AED-9469-D0E9065DD455 [V2] 1.2.1 Serial number definition...
  • Page 22 1. General World Manufacturers Code definitions Code Definition AGCO Corporation AGCO Int'l GmbH Brand Code definitions Code Definition Fendt Model 0938 0940 0943 Model Year Code definition Code Definition Code Definition 2018 2025 2019 2026 2020 2027 2021 2028 2022...
  • Page 23 1. General Code Definition All EME Ag MT700 non-EME Narrow MT700 non-EME Wide MT800/900 non-EME Scraper MT800/900 non-EME Ag 1-20 Rubber Track Tractor 79037272A...

  • Page 24: Proper Disposal Of Waste

    1. General GUID-D27C9EFF-D3E3-4F5E-93ED-A6E5560C23DF [V3] 1.3 Proper disposal of waste Improper disposal of waste can pollute the environment and ecology. A few examples of potentially harmful equipment waste can include, but not limited to, items such as oil, fuel, coolant, brake fluid, filters, battery chemicals, tires, etc.

  • Page 25: Lubricant Viscosities And Refill Capacities

    1. General 1.4 Lubricant viscosities and refill capacities GUID-E8D816FA-6438-4587-B33A-299C7258D0EB [V1] 1.4.1 Lubricant viscosities for ambient temperatures Proper oil viscosity grade is determined by the minimum outside temperature while the machine is started and while operated. To determine the proper oil viscosity grade, refer to the minimum column in the following table. This information reflects the coldest ambient temperature condition for starting and for operating a cold machine.

  • Page 26: Fluids And Capacities

    1. General GUID-9CAA3CDD-CA90-45DD-8D4A-2690C8DBA720 [V1] 1.4.3 Fluids and capacities IMPORTANT: The fill capacities given are approximate. Do a check of the fluid levels after filling. Fluids and fill capacities Compartment or system Approximate fill capacity Engine coolant 50/50 premix water and 42.2 liters (11.1 gal) ethylene/glycol Diesel fuel...

  • Page 27: Service Intervals

    1. General GUID-37124C50-0745-4357-A05F-389C235C69EF [V1] 1.5 Service intervals IMPORTANT: Always stop the engine before starting service work Things to examine during the service interval checks: • Cab recirculation filter - clean/inspect/replace • Cab air filter - clean/replace • Check the HVAC drain lines and clean as needed •...
  • Page 28 1. General Every 10 Every Service Item Every 50 Every 250 Every 500 hours or 1000 Other hours hours hours daily hours Every Replace the power train oil pres‐ 1000 sure filter hours Examine the batteries Get a sample of the power train system oil for analysis Every Replace the power train system...
  • Page 29 1. General or once a year, that which occurs first. Regular service interval. Initial occurrence, filters only. Initial occurrence, then at given intervals 1-26 Rubber Track Tractor 79037272A...

  • Page 30: Engine Service Information

    1. General 1.6 Engine service information GUID-5E0F3DBC-3967-4D86-85E3-6F1FA54D7819 [V6] 1.6.1 Maintenance chart Maintenance chart for engine models 84 AWF and 98 AWF used in RoGator, TerraGator and MT700 series tractors. 84 AWF and 98 AWF Maintenance work Service interval / running hours 4500 Check the engine oil level Check the coolant level...

  • Page 31: Maintenance Chart

    1. General GUID-17E4A930-284E-4A00-9464-8EB5C203E968 [V7] 1.6.2 Maintenance chart Maintenance chart for tractors and forest machines with 84 - 98 engines. Maintenance work Service interval / running hours 4500 Check engine oil level Check coolant level Check for oil, fuel or coolant leakages Clean cooling system (from outside) Check the condition of the belt Change engine oil and oil filter...

  • Page 32: Maintenance To Be Made Daily Or At 10 Hours Intervals

    1. General 1.6.3 Maintenance to be made daily or at 10 hours intervals GUID-F4FBA864-3D6B-4B7B-B9C4-9553DDF97DF0 [V3] 1.6.3.1 Do a check for the engine oil level Procedure Stop the engine. Wait for approximately 15 minutes. Do a check for the oil level. The oil level must be between the MAX and MIN lines on the oil dipstick.

  • Page 33: Maintenance To Be Made Weekly Or At 100 Hours Interval

    1. General 1.6.4 Maintenance to be made weekly or at 100 hours interval GUID-904A5CAB-B87C-4043-B933-426C86EA19D5 [V2] 1.6.4.1 Clean cooling system (from outside) See also the instructions of the machine manufacturer. Procedure Check and clean the outside of the radiator from time to time. Use compressed air or water spray to remove dirt and impurities.

  • Page 34: Change Oil Filter

    1. General The engine may be equipped with an oil draining pump (e.g. marine engines), in that case use the pump to drain the oil. When the oil sump is empty, refit the plug with a new washer. Clean the oil filler plug and the surroundings. Fill new oil to the prescribed level (upper mark line on dipstick) through the filler hole.

  • Page 35: How To Recognize An Engine With Hydraulic Lash Adjusters

    1. General GUID-83FFFD66-C378-4F12-BBB7-6A1055F7CD94 [V2] 1.6.5.4 How to recognize an engine with hydraulic lash adjusters IMPORTANT: Do not adjust the valves of an engine, which has hydraulic lash adjusters! An engine with hydraulic lash adjusters has a cylinder block, which has drillings for oil ways for each hydraulic lash adjuster.
  • Page 36 1. General CAUTION: Risk of injury. Sharp edges of the tool can cause injury. Use protective gloves, when you use the tool. CAUTION: Diesel fuel. Diesel fuel can cause skin and lung irritation if you touch or breath it. Use protective gloves, when you do work with fuel equipment. NOTE: Take the old filter elements to a proper disposal point.

  • Page 37: Bleed The Fuel System

    1. General GUID-B48DC3D5-DAA5-4C22-BB5A-A89756AA98B7 [V4] 1.6.7 Bleed the fuel system WARNING: Do not make any work at the common rail high pressure fuel system when the engine is running. Wait at least 30 seconds after stopping the engine. The first high pressure component has to be loosened slowly, so that the pressure inside the fuel system can adjust to ambient pressure.

  • Page 38: Maintenance To Be Made At 4000 Hours Intervals

    1. General 1.6.8 Maintenance to be made at 4000 hours intervals GUID-85E73C9E-514F-444F-BC22-B09705AA08F2 [V2] 1.6.8.1 Check turbocharger play and check that the intercooler cell is clean The turbocharger and the intercooler cell service must be entrusted to an expert technician at AGCO Power Service.

  • Page 39: Replace The Main Filter And The Inlet Filter Of The Supply Module

    1. General CAUTION: The storage of DEF must be done under 30°C, avoiding direct sunlight. GUID-6FC704BC-951D-4137-AE15-48E2E7998003 [V3] 1.6.9.2 Replace the main filter and the inlet filter of the supply module The main filter is under the filter cover in the supply module of DNOX2.2-system.

  • Page 40: Maintenance To Be Made Every Two Years

    1. General Pull out the equalizing element. Pull out the filter element with the removal tool that is supplied with the filter element or with small pliers. Install a new filter element and a new equalizing element. Install the filter cover and tighten it to 22,5 ± 2,5 Nm with a 27 mm spanner.

  • Page 41: Additional Maintenance Instructions

    1. General b) Remove the draining plugs on the radiator and on the left side of the cylinder block. c) Remove the draining plugs on the oil cooler. d) The engine assembly may also have other draining plugs (e.g. on the engine heater piping). Remove also these plugs.
  • Page 42 1. General Object +100Nm Crankshaft nut 1000 Crankshaft pulley screws, M14 Flywheel screws Flywheel housing screws: • M12 • 150 • M10 • 80 Idler gear screws : • M14 • 180 • M8 • 32 Small idler gear screws (shaft, 2 pcs): M8 Small idler gear screws (thrust ring): M8 Camshaft gear nut Rocker arm shaft bracket screw and nuts...

  • Page 43: Coolant Quality Requirements

    1. General Self carrying oil sump screws and engine bracket screws Thread General torque values Always use the torque values listed in the following table when specific torque values are not available. Thread Strength class 10.9 12.9 25 Nm 35 Nm 40 Nm 50 Nm 75 Nm...

  • Page 44: Fuel Quality Requirements

    1. General Requirements The coolant used must meet the demands of standard ASTM D 3306 or BS 6580:1992. • The cooling mixture must consist 40 - 60 % of ethylene/propylene-glycol based antifreeze and water. The best proportion is 50 % of antifreeze liquid and 50 % of water.
  • Page 45 1. General Permitted sulfur contents Permitted sulfur content depends on: • emission level • fuel injection components and materials • aftertreatment components and materials. For engines with SCR system and engines with cooled external EGR system (cEGR), fuels with higher sulfur content are not permitted because engines do not fulfill particulate emission limits with high sulfur fuel.
  • Page 46 1. General Use of higher (10-20%) biodiesel proportions requires changes in the engine and its maintenance as follows: • You must change oil, oil filter and fuel filter elements twice as often than with less than 10% biodiesel content. • Engine must have an additional fuel pre-filter or water separator in the fuel line between the fuel tank and the engine.
  • Page 47 1. General GUID-00C3A26A-88D6-4F74-8677-DEA36BEFF43F [V1] Engine output depending on fuel quality Different fuel qualities like temperature, density and viscosity affect the actual output of the engine. Our outputs are specified by fuel with a density of 0.84 kg/dm3 and specific heat rate of 42,7 Mj/kg at a fuel temperature of +15°C.

  • Page 48: Technical Data

    1. General 1.7 Technical data 1.7.1 Torque specifications GUID-0BAF2E7B-A615-4A36-871A-E23E5E1880B6 [V1] 1.7.1.1 Torque specifications WARNING: Mismatched or incorrect fasteners can cause damage or malfunction, or personal injury. Take care to avoid mixing metric dimensioned fasteners and inch dimensioned fasteners. Exceptions to these torques are in the service manual, if necessary. Before installation of any hardware, make sure the components are in near new condition.

  • Page 49: Inch Fasteners

    1. General Standard High Thread Size Pound Feet Newton Pound Feet Newton Pound Feet Newton lbf ft Meters Nm lbf ft Meters Nm lbf ft Meters Nm M24 x 3 530 to 640 700 to 900 600 to 730 800 to 1000 285 to 345 375 to 475 M30 x 3.5...
  • Page 50 1. General Standard High Thread Size Pound Feet Newton Pound Feet Newton Pound Feet Newton lbf ft Meters Nm lbf ft Meters Nm lbf ft Meters Nm 1/4 - 20 8 to 10 9 to 15 9 to 11 10 to 16 3.5 to 4.5 5 to 7 5/16 - 18...
  • Page 51 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

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Vario mt 940Vario mt 943

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