FENDT Vario MT 938 Workshop Service Manual Download Page 1

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Workshop Service Manual

Rubber Track Tractor

938 Vario MT

TABF0938xJxxx1001-

940 Vario MT

TABF0940xJxxx1001-

943 Vario MT

TABF0943xJxxx1001-

North America
4205 River Green Parkway, Duluth GA 30096 USA
FENDT is a worldwide brand of AGCO
© AGCO 2018

January 2018

79037272A

EAME

English

Summary of Contents for Vario MT 938

Page 1: ...actor 938 Vario MT TABF0938xJxxx1001 940 Vario MT TABF0940xJxxx1001 943 Vario MT TABF0943xJxxx1001 North America 4205 River Green Parkway Duluth GA 30096 USA FENDT is a worldwide brand of AGCO AGCO 20...

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Page 3: ...4 Drive train system 5 Brake system 6 Compressed air system 7 Hydraulic system 8 Electrical system 9 Cab 10 Air conditioning and heating system 11 Chassis 12 Track belt system 13 Implement drive syste...

Page 4: ...Batteries 1 12 1 1 27 Exhaust fumes 1 13 1 1 28 Noise prevention 1 14 1 1 29 Fire and explosion prevention 1 14 1 1 30 Fire extinguisher 1 15 1 1 31 Public road transportation 1 15 1 2 Machine identif...

Page 5: ...lter of the supply module 1 36 1 6 10 Maintenance to be made every two years 1 37 1 6 10 1 Change coolant 1 37 1 6 11 Additional maintenance instructions 1 38 1 6 11 1 Before the cold season 1 38 1 6...

Page 6: ...al with these situations The safety section does not replace safety practices in other parts of this service manual Practice good safety to help prevent injury or death Learn how to operate the machin...

Page 7: ...safety instructions in the manual GUID 4C201302 DBD2 4BFB 8D98 1DDED263BD6E high jpg High Fig 2 1 1 4 Safety messages The words DANGER WARNING or CAUTION are used with the safety symbol Learn these sa...

Page 8: ...an injury occurs A person must be alert to possible dangers This person must also have the necessary training skills and tools to do these operations correctly Incorrect operation lubrication mainten...

Page 9: ...steps Make sure lunch boxes tools and other loose items that are not a part of the machine are attached Know the applicable work location hand signals and the personnel that are approved to give the...

Page 10: ...u are on the ground during an electrical storm stay away from the machine 1 1 12 Mount and dismount the machine Mount the machine and dismount the machine only at locations that have steps and or hand...

Page 11: ...turn the machine WARNING Do not use ether Ether will cause engine damage and or personal injury Do not start the engine until the area is free of personnel to prevent personal injury because of unexpe...

Page 12: ...the travel speed to prevent the loss of control of machine After operating in muddy conditions let sufficient time for tracks to reject unwanted material and moisture before making high speed maneuve...

Page 13: ...ea when hitting a retainer pin To prevent eye injury wear protective glasses when hitting a retainer pin Chips or other debris can fly off objects when hitting the objects Make sure that others are cl...

Page 14: ...h a bare hand Remove the filler cap slowly to relieve the pressure The cooling system conditioner contains alkali Alkali can cause personal injury Do not allow alkali to contact skin eyes or mouth GUI...

Page 15: ...has a kink Outer coverings have embedded armoring The end fittings are displaced IMPORTANT Take care to contain fluids during the performance of the inspection the maintenance the testing the adjustin...

Page 16: ...arks away from the top of the battery Do not smoke in the battery charging areas Incorrect jumper cable connections can cause an explosion causing an injury To prevent an explosion never charge a froz...

Page 17: ...to accumulate on machine Store fuels and lubricants in correctly identified containers away from not approved persons Store rags with oil and any flammable materials in protective containers Do not s...

Page 18: ...D1A 50FD 4D6D 9D0E 9385BE099107 high jpg High Fig 17 Make sure that a fire extinguisher is available and be familiar with the operation Inspect and service the fire extinguisher regularly Obey the rec...

Page 19: ...he 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 NOTE When the Speed Indication Symbol SIS is inst...

Page 20: ...1 2 Machine identification information GUID B4C4B3E4 103B 4436 AA92 69EC893E09B9 high jpg High Fig 19 GUID 50F4664B 3C1F 4977 8F2C B14B939DD001 V2 1 General Rubber Track Tractor 1 17 79037272A...

Page 21: ...Definition of the serial number 1 Beginning Symbol 2 World Manufacturer Code 3 Brand Code 4 Model 5 Check Letter 6 Model Year Code 7 Location Built Code 8 Compliance Region 9 Option Code 10 Machine S...

Page 22: ...e Definition J 2018 S 2025 K 2019 T 2026 L 2020 V 2027 M 2021 W 2028 N 2022 X 2029 P 2023 Y 2030 R 2024 Z 2031 Location Built Code definitions Code Definition N Jackson Compliance Region Code definiti...

Page 23: ...Code Definition A All EME Ag C MT700 non EME Narrow D MT700 non EME Wide F MT800 900 non EME Scraper G MT800 900 non EME Ag 1 General 1 20 Rubber Track Tractor 79037272A...

Page 24: ...as food or beverage container s may mislead someone into drinking from them Do not pour or spill waste onto the ground down a drain or into any water source Air conditioning refrigerants escaping into...

Page 25: ...er oil viscosity will maintain the highest possible oil film thickness Consult a dealer if additional information is needed 1 4 2 Lubricant viscosities Lubricant viscosities Compartment or system Oil...

Page 26: ...0W 40 34 8 liters 9 2 gal DEF Diesel exhaust fluid tank AdBlue 71 0 liters 18 8 gal Windscreen washer reservoir 4 0 liters 1 1 gal Refrigerant R134A 1 6 kg 3 5 lb Final drives hydraulic system standar...

Page 27: ...Window washer reservoir fill Window wipers inspect replace Windows clean 1 5 1 Maintenance schedule Initial checks Make sure that all hose clamps on the engine are tight at 10 hours and again at 50 ho...

Page 28: ...ary engine air filter x Examine the ROPS x Examine the seat belt 1200 hours or annually that which occurs first Replace the DEF pump main filter 1200 hours or annually that which occurs first Replace...

Page 29: ...3 or once a year that which occurs first Regular service interval 4 Initial occurrence filters only 5 Initial occurrence then at given intervals 1 General 1 26 Rubber Track Tractor 79037272A...

Page 30: ...he season 3 or once a year at the end of the season or earlier if the engine control system notifies by specific service code 4 The 98 engines have hydraulic lash adjusters from the engine serial numb...

Page 31: ...the engine control system notifies by specific service code 4 The 98 engines have hydraulic lash adjusters from the engine serial number B52904 Do not adjust the valves 5 In the spring 2016 AGCO Powe...

Page 32: ...freezing point of the coolant before the cold season NOTE Never use only water as coolant but a mixture of 40 60 of water and antifreeze See the information for coolant quality requirements NOTE The h...

Page 33: ...or damaged belt 2 Replace a belt if necessary 3 Before you remove a belt examine the routing to make sure the new belt routing is the same 4 Use a 1 2 inch breaker bar and put into the square hole of...

Page 34: ...y until the gasket touches the opposite surface 5 Tighten the oil filter rounds or one 1 full round if the height of the oil filter used is 260 mm Use an appropriate tool for tightening if necessary 6...

Page 35: ...f the cylinder block has no screw plugs the engine does not have hydraulic lash adjusters 2 If the cylinder block has screw plugs examine the screw head of the screw plug Result If the screw head of t...

Page 36: ...r 5 Remove the pre filter element from its mounting bracket 6 Collect the fuel into a suitable container 7 Detach the water detector from the pre filter bottom end 8 Remove the main filter in a simila...

Page 37: ...el with the hand pump on top of the pre filter 4 Pump with the hand pump until there are no air bubbles in the fuel stream 5 Remove the hose and turn in the bleeding plug 6 Clean the engine of eventua...

Page 38: ...d almost maintenance free Only main filter change for supply module is required in normal use AGCO POWER SCR is equipped with on board diagnostic which will warn the operator or limit the usage of the...

Page 39: ...g must be absolutely clean and undamaged CAUTION Do not install used or wet filter or equalizing element Danger of engine damage and poor filtration CAUTION Do not use mineral or silicone oils or grea...

Page 40: ...ly Do not use compressed air 10 Remove the DEF connector Do not let dirt in the connection of the supply module 11 Install the new DEF connector a Use a new O ring b Lubricate the O ring with glycerin...

Page 41: ...level reaches the plug d Screw in the plug and fill rest of the system NOTE Never use only water as coolant but a mixture of 40 60 of water and antifreeze See the information for coolant quality requ...

Page 42: ...on cooling valve 30 Oil pump retaining screws 50 Oil sump drain plug M18 80 Oil cooler connecting piece 60 Coolant pump pulley screw M10 50 M12 80 Coolant pump pulley nut M16 120 Belt tightener screw...

Page 43: ...uality requirements AGCO Power Inc recommends to use coolants that follow in all AGCO POWER engines Arteco Havoline XLC BASF Glysantin G30 In addition coolants under other brand names which can be pro...

Page 44: ...the engine will not meet the emission requirements if the used fuel is not permitted for the engine AGCO Power and AGCO Corporation is not responsible of any failures or issues caused by inappropriate...

Page 45: ...Tier 4 Interim Stage 3B Common rail Yes 15 mg kg Tier 3 Stage 3A Common rail Yes 15 mg kg or 500 mg kg 1 Tier 2 Stage 2 Common rail Yes 15 mg kg or 500 mg kg 1 Common rail No 2000 mg kg Mechanical No...

Page 46: ...ible coking of fuel injector nozzles Possible engine oil dilution Possible high acid levels within fuel system Possible compatibility issues with other materials including copper lead zinc tin brass a...

Page 47: ...plication tank size and location return flow etc FIG B Engine output dependence on fuel density Normal value is 0 84 kg dm3 at 15 C FIG C Engine output dependence on fuel viscosity Normal value is 3 c...

Page 48: ...stant torque hose clamp will help prevent these failures Constant torque hose clamp is installed correctly under the following conditions Screw tip 1 extends 6 35 mm 25 in A beyond housing Belleville...

Page 49: ...to 2200 2400 to 3000 2055 to 2515 2750 to 3450 990 to 1210 1300 to 1700 Standard taperlock studs Thread Size Pound Feet lbf ft Newton Meters Nm M6 6 8 M8 13 17 M10 26 35 M12 48 65 M16 80 110 M20 125 1...

Page 50: ...0 to 420 290 to 350 370 to 490 135 to 165 160 to 240 7 8 9 410 to 510 540 to 700 470 to 570 610 to 790 215 to 265 285 to 365 1 8 590 to 730 800 to 1000 700 to 850 900 to 1200 335 to 405 435 to 565 1 1...

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