Download Case 2050M Tier 2 Crawler Dozer Service Manual 

This Factory Service Repair Manual offers all the service and repair information about Case 2050M Tier 2 Crawler Dozer. The information on this manual covered everything you need to know when you want to repair or service Case 2050M Tier 2 Crawler Dozer.

Part number 47907873
2nd edition English
October 2015
Replaces part number 47645620

Models Covered:

2050M Bulldozer (BD) Blade, Extra Long Track (XLT) – Non-regulated
[NCDC25000 – ] , 2050M Bulldozer (BD) Blade, Extra Long Track (XLT) –
Non-regulated [NDDC25000 – ] , 2050M Bulldozer (BD) Blade, Extra Long
Track (XLT) – Non-regulated [NEDC20000 – ] , 2050M Bulldozer (BD) Blade,
Extra Long Track (XLT) – Non-regulated [NFDC20000 – ] , 2050M Bulldozer
(BD) Blade, Long Track (LT) – Non-regulated [NCDC25000 – ] , 2050M
Bulldozer (BD) Blade, Long Track (LT) – Non-regulated [NDDC25000 – ] ,
2050M Bulldozer (BD) Blade, Long Track (LT) – Non-regulated [NEDC20000 – ]
, 2050M Bulldozer (BD) Blade, Long Track (LT) – Non-regulated [NFDC20000 –
] , 2050M Bulldozer (BD) Blade, Low Ground Pressure (LGP) – Non-regulated
[NCDC25000 – ] , 2050M Bulldozer (BD) Blade, Low Ground Pressure (LGP) –
Non-regulated [NDDC25000 – ] , 2050M Bulldozer (BD) Blade, Low Ground
Pressure (LGP) – Non-regulated [NEDC20000 – ] , 2050M Bulldozer (BD)
Blade, Low Ground Pressure (LGP) – Non-regulated [NFDC20000 – ] , 2050M
Power Angle Tilt (PAT) Blade, Extra Long Track (XLT) – Non-regulated
[NCDC25000 – ] , 2050M Power Angle Tilt (PAT) Blade, Extra Long Track (XLT)
– Non-regulated [NDDC25000 – ] , 2050M Power Angle Tilt (PAT) Blade, Extra
Long Track (XLT) – Non-regulated [NEDC20000 – ] , 2050M Power Angle Tilt
(PAT) Blade, Extra Long Track (XLT) – Non-regulated [NFDC20000 – ] , 2050M
Power Angle Tilt (PAT) Blade, Long Track (LT) – Non-regulated [NCDC25000
– ] , 2050M Power Angle Tilt (PAT) Blade, Long Track (LT) – Non-regulated
[NDDC25000 – ] , 2050M Power Angle Tilt (PAT) Blade, Long Track (LT) –
Non-regulated [NEDC20000 – ] , 2050M Power Angle Tilt (PAT) Blade, Long
Track (LT) – Non-regulated [NFDC20000 – ] , 2050M Power Angle Tilt (PAT)
Blade, Low Ground Pressure (LGP) – Non-regulated [NCDC25000 – ] , 2050M
Power Angle Tilt (PAT) Blade, Low Ground Pressure (LGP) – Non-regulated
[NDDC25000 – ] , 2050M Power Angle Tilt (PAT) Blade, Low Ground Pressure
(LGP) – Non-regulated [NEDC20000 – ] , 2050M Power Angle Tilt (PAT) Blade,
Low Ground Pressure (LGP) – Non-regulated [NFDC20000 – ]

Manual Contents:

INTRODUCTION
Engine…………………………………………………………………………… 10
[10.001] Engine and crankcase . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 10.1
[10.216] Fuel tanks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . 10.2
[10.206] Fuel filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.3
[10.202] Air cleaners and lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.4
[10.250] Turbocharger and lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . 10.5
[10.254] Intake and exhaust manifolds and muffler . . . . . . . . . . . . . . .. . . . . . 10.6
[10.400] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 10.7
[10.414] Fan and drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.8
[10.310] Aftercooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.9
[10.304] Engine lubrication system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10
Hydrostatic drive………………………………………………………………. 29
[29.218] Pump and motor components. . . . . . . . . . . . . . . . . . .. . . . . . . . . . 29.1
Brakes and controls ………………………………………………………….. 33
[33.110] Parking brake or parking lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.1
[33.202] Hydraulic service brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.2
Hydraulic systems…………………………………………………………….. 35
[35.300] Reservoir, cooler, and filters. . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . 35.1
[35.104] Fixed displacement pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . 35.2
[35.106] Variable displacement pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.3
[35.105] Charge pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . 35.4
[35.359] Main control valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.5
[35.741] Dozer blade cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.6
[35.525] Auxiliary hydraulic valves and lines . . . . . . . . . . . . . . . . . . . . .  . . . . . . 35.7
[35.752] Hydraulic fan drive cooling system. . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . 35.8

[35.000] Hydraulic systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.9
Frames and ballasting ……………………………………………………….. 39
[39.100] Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39.1
Tracks and track suspension ……………………………………………….. 48
[48.130] Track frame and driving wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48.1
[48.100] Tracks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48.2
[48.134] Track tension units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . 48.3
[48.138] Track rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48.4
[48.140] Dropbox and final drive . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 48.5
Cab climate control …………………………………………………………… 50
[50.100] Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.1
[50.104] Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.2
[50.200] Air conditioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 50.3
Electrical systems …………………………………………………………….. 55
[55.000] Electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.1
[55.011] Fuel tank system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.2
[55.015] Engine control system. . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . 55.3
[55.030] Service brake electrical system . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . 55.4
[55.050] Heating, Ventilation, and Air-Conditioning (HVAC) control system. . . . . . .. . . 55.5
[55.100] Harnesses and connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.6
[55.201] Engine starting system . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 55.7
[55.202] Cold start aid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 55.8
[55.301] Alternator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.9
[55.302] Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . 55.10
[55.408] Warning indicators, alarms, and instruments . . . . . . . . . . . . . . . . . . . . . 55.11
[55.512] Cab controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . 55.12
[55.518] Wiper and washer system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.13
[55.DTC] FAULT CODES. . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . 55.14

Dozer blade and arm…………………………………………………………. 86
[86.110] Dozer blade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 86.1
[86.124] Dozer pushbeams and struts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86.2
Tools …………………………………………………………………………….. 89
[89.128] Ripper assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89.1
Platform, cab, bodywork, and decals ……………………………………… 90
[90.150] Cab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.1
[90.114] Operator protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . 90.2
[90.124] Pneumatically-adjusted operator seat. . . . . . . . . . . . . . . . . . . . . . . . 90.3
[90.100] Engine hood and panels . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . 90.4

This manual can be used by anyone from a first time owner/amateur to a professional technician.Even the most novice mechanic can also easily follow the step-by-step guides which are made simple by the illustrations and drawings.Keep this manual handy and use it often. Performing routine, preventive maintenance will save you time & money by helping to prevent premature failure and unnecessary repairs.

Language: English
Format: PDF
PAGES: 1982
Platform: Windows Phone, I pad and Mac
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