Case 2050M Tier 4A interim Service Manual
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Case 2050M Tier 4A interim Service Manual

Crawler dozer
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2050M
Tier 4A (interim)
Crawler Dozer
PIN NCDC25000 and above; PIN NDDC25000 and above
PIN NEDC20000 and above; PIN NFDC20000 and above
SERVICE MANUAL
Part number 47907871
2
edition English
nd
October 2015
Replaces part number 47645618

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  • Page 1 2050M Tier 4A (interim) Crawler Dozer PIN NCDC25000 and above; PIN NDDC25000 and above PIN NEDC20000 and above; PIN NFDC20000 and above SERVICE MANUAL Part number 47907871 edition English October 2015 Replaces part number 47645618...
  • Page 2 Link Product / Engine Product Market Product Engine 2050M Long Track (LT), North America F4HFE613J*A007 Power Angle Tilt (PAT) Blade [NCDC25000 - ] 2050M Long Track (LT), North America F4HFE613J*A007 Power Angle Tilt (PAT) Blade [NDDC25000 - ] 2050M Long Track (LT), North America F4HFE613J*A007 Power Angle Tilt (PAT) Blade...
  • Page 3 Product Market Product Engine 2050M Extended Long Track North America F4HFE613J*A007 (XLT), Bulldozer (BD) Blade [NCDC25000 - ] 2050M Extended Long Track North America F4HFE613J*A007 (XLT), Bulldozer (BD) Blade [NDDC25000 - ] 2050M Extended Long Track North America F4HFE613J*A007 (XLT), Bulldozer (BD) Blade [NEDC20000 - ] 2050M Extended Long Track North America...
  • Page 4 Contents INTRODUCTION Engine..................10 [10.001] Engine and crankcase ............. 10.1 [10.216] Fuel tanks .
  • Page 5 [35.000] Hydraulic systems..............35.9 Frames and ballasting ..............
  • Page 6 [55.DTC] FAULT CODES..............55.15 Dozer blade and arm..............
  • Page 7 INTRODUCTION 47907871 20/10/2015 Find manuals at https://best-manuals.com...

  • Page 8: Table Of Contents

    Contents INTRODUCTION Foreword - Important notice regarding equipment servicing (*) ....... . 3 Safety rules (*) .

  • Page 9: Foreword - Important Notice Regarding Equipment Servicing

    In any case, no warranty is given or attributed on the product manufactured or marketed by the manufacturer in case of damages caused by parts and/or components not approved by the manufacturer.

  • Page 10: Safety Rules

    INTRODUCTION Safety rules 2050M Personal safety This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible death or injury. Throughout this manual you will find the signal words DANGER, WARNING, and CAUTION followed by special in- structions.

  • Page 11: Safety Rules - Personal Safety

    INTRODUCTION Safety rules - Personal safety 2050M General safety rules Use caution when you operate the machine on slopes. Raised equipment, full tanks and other loads will change the center of gravity of the machine. The machine can tip or roll over when near ditches and embankments or uneven surfaces.
  • Page 12 INTRODUCTION Operate controls only when seated in the operator’s seat, except for those controls expressly intended for use from other locations. Before you leave the machine: 1. Park the machine on a firm, level surface. 2. Put all controls in neutral or park lock position. 3.
  • Page 13 INTRODUCTION When welding, follow the instructions in the manual. Always disconnect the battery before you weld on the machine. Always wash your hands after you handle battery components. Fire and explosion prevention Fuel or oil that is leaked or spilled on hot surfaces or electrical components can cause a fire. Crop materials, trash, debris, bird nests, or flammable material can ignite on hot surfaces.
  • Page 14 INTRODUCTION Operator presence system Your machine is equipped with an operator presence system to prevent the use of some features while the operator is not in the operator’s seat. Never disconnect or bypass the operator presence system. If the operator presence system is inoperable, then it must be repaired. Seat belts Seat belts must be worn at all times.
  • Page 15 INTRODUCTION Operator protective structure Your machine is equipped with an operator protective structure, such as: a Roll Over Protective Structure (ROPS), Falling Objects Protective Structure (FOPS), or a cab with a ROPS. A ROPS may be a can frame or a two-posted or four-posted structure used for the protection of the operator to minimize the possibility of serious injury.
  • Page 16 INTRODUCTION Hazardous chemicals If you are exposed to or come in contact with hazardous chemicals you can be seriously injured. The fluids, lubricants, paints, adhesives, coolant, etc. required for the function of your machine can be hazardous. They may be attractive and harmful to domestic animals as well as humans.
  • Page 17 INTRODUCTION Face the machine when you mount and dismount the machine. Maintain a three-point contact with steps, ladders, and handholds. Never mount or dismount from a moving machine. Do not use the steering wheel or other controls or accessories as handholds when you enter or exit the cab or oper- ator’s platform.

  • Page 18: Safety Rules - Ecology And The Environment

    Improper disposal of batteries can contaminate the soil, groundwater, and waterways. CASE CONSTRUCTION strongly recommends that you return all used batteries to a CASE CONSTRUCTION dealer, who will dispose of the used batteries or recycle the used batteries properly.

  • Page 19: Safety Rules - Do Not Operate Tag

    INTRODUCTION Safety rules - Do not operate tag 2050M WARNING Maintenance hazard! Before you start servicing the machine, attach a DO NOT OPERATE warning tag to the machine in a visible area. Failure to comply could result in death or serious injury. W0004A Attach a DO NOT OPERATE (TAG) to the machine in an area that is clearly visible whenever the machine is not operating properly and/or requires service.

  • Page 20: Basic Instructions - Shop And Assembly

    Only use CNH Original Parts or CASE CONSTRUCTION Original Parts. Only genuine spare parts guarantee the same quality, duration, and safety as original parts, as they are the same parts that are assembled during standard production. Only CNH Original Parts or CASE CONSTRUCTION Original Parts can offer this guarantee.
  • Page 21 W0111A Special tools The special tools that CASE CONSTRUCTION suggests and illustrate in this manual have been specifically re- searched and designed for use with CASE CONSTRUCTION machines. The special tools are essential for reliable repair operations. The special tools are accurately built and rigorously tested to offer efficient and long-lasting oper- ation.

  • Page 22: Torque - Minimum Tightening Torques For Normal Assembly

    INTRODUCTION Torque - Minimum tightening torques for normal assembly 2050M Decimal hardware Grade 5 bolts, nuts and studs Size lb in/lb ft 12 - 15 Nm 108 - 132 lb in 1/4 in 5/16 in 23 - 28 Nm 204 - 252 lb in 3/8 in 48 - 57 Nm 420 - 504 lb in...
  • Page 23 INTRODUCTION Grade 10.9 bolts, nuts and studs Size lb in/lb ft 4 mm 4 - 5 Nm 36 - 48 lb in 5 mm 9 - 11 Nm 84 - 96 lb in 6 mm 15 - 18 Nm 132 - 156 lb in 8 mm 37 - 43 Nm 324 - 384 lb in...
  • Page 24 INTRODUCTION Size lb in/lb ft 5/8-11 in 190 - 203 Nm 140 - 150 lb ft O-ring face seal end O-ring boss end fitting or lock nut Nominal Tube outside diameter Thread size Nm lb in/lb ft Thread size Nm lb in/lb ft SAE dash size...

  • Page 25: Torque - Standard Torque Data For Hydraulics

    INTRODUCTION Torque - Standard torque data for hydraulics 2050M Installation of adjustable fittings in straight thread O-ring bosses 1. Lubricate the O-ring by coating it with a light oil or petroleum. Install the O-ring in the groove adjacent to the metal backup washer which is assembled at the extreme end of the groove (4).
  • Page 26 INTRODUCTION Pipe thread fitting torque Thread size Torque (maximum) 1/8-27 13 N·m (10 lb ft) Before installing and tightening pipe fittings, clean the 1/4-18 16 N·m (12 lb ft) threads with a clean solvent or Loctite cleaner and apply 3/8-18 22 N·m (16 lb ft) sealant L ®...

  • Page 27: Torque - Special Torques

    INTRODUCTION Torque - Special torques 2050M Ripper Component Torque Ripper mounting bolts 1016 - 1375 N·m (749 - 1014 lb ft) Ripper pin retaining and tube cover bolts 301 - 407 N·m (222 - 300 lb ft) Fuse and Relay Blocks Component Torque Fuse block mounting...
  • Page 28 INTRODUCTION Air Conditioning Compressor Torque Component Compressor rotor shaft nut 15 - 20 Nm ( 11 - 15 lb ft) Oil filler plug 15 - 24 Nm ( 11 - 18 lb ft) Dust cover screws 7 - 11 Nm ( 5 - 8 lb ft) Lift Cylinder Component Torque...

  • Page 29: Engine Cooling System - Basic Instructions

    OOLANT FREEZE tion such as CASE AKCELA ACTIFULL™ OT EXTENDED LIFE COOLANT. You can easily identify CASE AKCELA ACTIFULL™ OT EXTENDED LIFE COOLANT by its yellow color. You should never mix the coolant types. The coolant solution used must meet the following CNH Industrial material specifications for either coolant type: •...
  • Page 30 INTRODUCTION You may notice the older version of the OAT decal (CNH Industrial part number 47488993) on some applications. Definitions Conventional coolant: A coolant that relies on inorganic inhibitors such as sil- icates, nitrites, and phosphates for corrosion and cavi- tation protection.

  • Page 31: Maintenance Chart

    INTRODUCTION Maintenance chart 2050M Cleaning Change fluid Grease Replace Check Drain fluid Maintenance action Page no. Daily inspection General Every 10 hours Engine oil Engine coolant Hydraulic oil Grease points Bulldozer blade (optional) grease points Initial 20 hours Track shoe bolt torque Every 50 hours Fuel pre-filter - Drain condensation Initial 100 hours...
  • Page 32 INTRODUCTION Cleaning Change fluid Grease Replace Check Drain fluid Maintenance action Page no. Work lights ELECTRICAL SYSTEM Fuses and relays 47907871 20/10/2015...

  • Page 33: Basic Instructions - Moving A Disabled Machine

    INTRODUCTION Basic instructions - Moving a disabled machine 2050M WARNING Transport hazard! Make sure that the weight of a trailed vehicle that is not equipped with brakes NEVER EXCEEDS the weight of the machine that is towing the vehicle. Stopping distance increases with increasing speed as the weight of the towed load increases, especially on hills and slopes.
  • Page 34 INTRODUCTION 3. Change the Tow Mode from “Disabled” to “Enabled” by highlighting and pressing the enter switch. RAIL12DOZ0592AA RAIL12DOZ0823AA 4. Continue to follow the screen prompts. RAIL12DOZ0824AA 47907871 20/10/2015...
  • Page 35 INTRODUCTION 5. Read the procedure for releasing brakes later in this instruction. RAIL12DOZ0825AA 6. Press the enter switch to continue to the next screen. NOTICE: Do not tow the machine over 1.2 km/h (0.7 mph). RAIL12DOZ0826AA 7. Press the enter switch to continue to the next screen. NOTICE: Tow the machine the shortest possible distance.
  • Page 36 INTRODUCTION 8. The tow mode will be enabled. Wait for the next screen prompt before you tow the machine. RAIL12DOZ0829AA Bypass hydrostatic pumps You must open the pressure relief valves in order to bypass the hydrostatic pumps. There are two valves located on each hydrostatic pump.
  • Page 37 INTRODUCTION CAUTION Heavy object! The component is heavy. Use care not to drop the component when installing, removing, or handling. Failure to comply could result in minor or moderate injury. C0095A 10. Access the lower pressure relief valve by removing the center belly pan cover (3) underneath the ma- chine.
  • Page 38 INTRODUCTION Releasing the brakes NOTE: This machine is equipped with a spring applied hydraulically released parking brakes. Hydraulic pressure must release the brakes. You MUST use a hand pump to release the brakes when the engine is not running. 13. Remove the hydraulic reservoir breather. Connect a vacuum pump at the hydraulic reservoir breather, and hold a vacuum to keep from losing fluid.
  • Page 39 INTRODUCTION Returning the unit to service 1. Disconnect the hand pump from the brake lines. 2. Remove the plugs, and reconnect the lines (1) to the brake solenoid. RAPH12DOZ0094AA 3. Remove the vacuum pump and install the hydraulic reservoir breather. RAIL12DOZ0372AA 4.
  • Page 40 INTRODUCTION 5. Install new plastic caps on each relief valve. 6. Reinstall the floor access panel and the belly pan. RAIL12DOZ0644AA 7. On the multi-function display screen, select “Service” and press the enter switch. RAIL15DOZ0018AA 8. Scroll down, and highlight the “Tow Mode” selection and press the enter switch.
  • Page 41 INTRODUCTION 9. Change the Tow Mode from “Enabled” to “Disabled” by highlighting and pressing the enter switch. RAIL12DOZ0592AA 47907871 20/10/2015...

  • Page 42: Hydraulic Contamination

    INTRODUCTION Hydraulic contamination 2050M Contamination in the hydraulic system is a major cause of the malfunction of hydraulic components. Contamination is any foreign material in the hydraulic oil. Contamination can enter the hydraulic system in several ways. (A) When you drain the oil or disconnect any line. (B) When you disassemble a component.

  • Page 43: Conversion Factors

    INTRODUCTION Conversion factors 2050M Metric to U.S. MULTIPLY TO OBTAIN square meter AREA: 10.763 91 square foot hectare 2.471 05 acre newton FORCE: 3.596 942 ounce force newton 0.224 809 pound force LENGTH: millimeter 0.039 370 inch meter 3.280 840 foot kilometer 0.621 371...
  • Page 44 INTRODUCTION U.S. to Metric MULTIPLY TO OBTAIN VOLUME: cubic inch 16.387 06 cubic centimeter cubic foot 0.028 317 cubic meter cubic yard 0.764.555 cubic meter ounce (US fluid) 29.573 53 milliliter quart (US liquid) 0.946 353 litre quart (Imperial) 1.136 523 litre gallon (US) 3.785 412...

  • Page 45: Consumables - Loctite® Product Chart

    INTRODUCTION Consumables - Loctite® product chart 2050M Bonding adhesives Prod- Recom- Description Color Strength Fixture/Full Cure (Steel/ mended Steel) Time Primer or Activator Clear 9.8 - 17.2 MPa 2 min/24 hrs Typical applications include bonding dissimilar (1421 - materials such as metals, glass or ceramics and 2495 psi) where fast fixturing is required between close fitting parts.
  • Page 46 INTRODUCTION Surface preparation Product Color Active (Steel/Steel) Description Time 7380 Yellow 6 hours Is designed to initiate the cure of Loctite toughened acrylic to light adhesives. amber 7471 Yellow 30 to 70 seconds Is used where increased cure speed of LOCTITE® anaerobic to light products is required.
  • Page 47 INTRODUCTION Retain, cylindrical assemblies Prod- Color Strength Fixture/Full Recom- Description Cure (Steel/ mended Steel) Time Primer or Activator Green 13.5 - 25.0 MPa 4 min/6 hrs 7471 or Is designed for the bonding of cylindrical fitting (1958 - 7469 parts, particularly where bond gaps can approach 3626 psi) 0.25 mm (0.01 in.) and where maximum strength at room temperature is required.
  • Page 48 INTRODUCTION RTV sealants Product Color Strength Fixture/Full Description Cure (Steel/ Steel) Time Clear 1.5 MPa 5 min/24 hrs Is designed for superior bonding and sealing properties (218 psi) to most surfaces (not recommended for concrete). This product resists aging, weathering and thermal cycling without hardening, shrinking or cracking.
  • Page 49 INTRODUCTION Gasket sealants Prod- Color Strength Fixture/Full Recom- Description Cure (Steel/ mended Steel) Time Primer or Activator none White 0.113 - 72 hrs Is a medium strength anaerobic sealant with 0.330 Nm (1 Teflon® for tapered pipe threads. The high - 3 lb in) lubricating properties of this compound prevent galling on pipe threads and fittings.
  • Page 50 INTRODUCTION Thread locker and sealing Prod- Color Strength Fixture/Full Recom- Description Cure (Steel/ mended Steel) Time Primer or Activator Green 10 - 40 Nm (90 20 min/4 hrs 7471 or Is designed for the locking and sealing of threaded 7469 - 355 lb in) fasteners.

  • Page 51: Engine Lubrication System - Consumables

    INTRODUCTION Engine lubrication system - Consumables 2050M CJ-4 Oils 0W-40 CJ-4 UNITEK to MAT3521 API CJ–4 0W-40 10W-40 CJ-4 UNITEK to CNH MAT3521 API CJ–4 10W-40 15W-40 CJ-4 UNITEK to CNH MAT3521 API CJ–4 15W-40 -40 °C -30 °C -20 °C -10 °C 0 °C 10 °C...

  • Page 52: Capacities

    Capacity with filter change 16.4 L (17.3 US qt) Capacity without filter change 15.6 L (16.5 US qt) Specifications CASE AKCELA UNITEK NO. 1™ SBL CJ-4 SAE 10W-40 Fuel tank Capacity 405 L (107 US gal) Selective Catalytic Reduction System — DEF/A ®...
  • Page 53 See charts at the beginning of this section to choose the correct oil for climate/temperatures. If CASE AKCELA UNITEK NO. 1™ SBL CJ-4 SAE 10W-40 cannot be obtained, use only oil of the API SERVICE CJ-4 category.
  • Page 54 INTRODUCTION Grease The type of grease to use depends on ambient temperature such as T GR-75. UTELA REASE Environment Before you service this machine and dispose of oil, fluids, and lubricants, obey environmental regulations. Do not drain oil or fluids on to the ground or into containers that leak. Check with your local environmental recycling center or your dealer for correct disposal information.

  • Page 55: Product Identification

    INTRODUCTION Product identification 2050M Model, serial number, and year of manufacture Record the machine and Product Identification Number (PIN). When ordering parts, obtaining information or assis- tance, always supply your dealer with the type and PIN of your machine or accessories. Keep a record of these numbers and your Manufacturer’s Statement of Origin in a safe place.
  • Page 56 INTRODUCTION Dozer blade The serial number plate is on the right side of the dozer blade. RAIL13DOZ1609AA 47907871 20/10/2015...

  • Page 57: Product Identification - Machine Orientation

    INTRODUCTION Product identification - Machine orientation 2050M The terms right-hand, left-hand, front, and rear are used in this manual to indicate the sides as they are seen from the operator's seat. 1. Front 2. Right 3. Rear 4. Left RAPH13DOZ0888CA 47907871 20/10/2015...
  • Page 58 INTRODUCTION 47907871 20/10/2015...
  • Page 59 SERVICE MANUAL Engine 2050M Extended Long Track (XLT), Bulldozer (BD) Blade [NCDC25000 - ] , 2050M Extended Long Track (XLT), Bulldozer (BD) Blade [NDDC25000 - ] , 2050M Extended Long Track (XLT), Bulldozer (BD) Blade [NEDC20000 - ] , 2050M Extended Long Track (XLT), Bulldozer (BD) Blade [NFDC20000 - ] , 2050M Extra Long Track (XLT), Power Angle Tilt (PAT) Blade [NCDC25000 - ] , 2050M Extra Long Track (XLT), Power Angle Tilt (PAT) Blade [NDDC25000 - ] , 2050M Extra Long Track (XLT), Power Angle Tilt (PAT) Blade [NEDC20000 - ]...
  • Page 60 Contents Engine - 10 [10.001] Engine and crankcase ............. . . 10.1 [10.216] Fuel tanks .
  • Page 61 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

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