Case IH Optum 270 CVT Optum 300 CVT Tier 4B (Final) Tractor Official Workshop Service Repair Manual
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Case IH Optum 270 CVT Optum 300 CVT Tier 4B (Final) Tractor Official Workshop Service Repair Manual

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Case IH Optum 270 CVT Optum 300 CVT Tier 4B (Final) Tractor Official Workshop Service Repair Manual

The Best  PDF Manuals Online Includes : Bookmarks + Searchable Text + Index = Fast Navigation And Best Organization ! 

 This is the COMPLETE Official Service Repair Manual for the Case IH Tractor.

 This manual contains deep information about maintaining, assembly, disassembly and servicing your Tractor. 

This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find. 

This Manual contains information and data to this model. has specs, diagrams, and actual real photo illustrations, and schemes, 
which give you complete step by step operations on repair, servicing, technical maintenance & troubleshooting procedures for your machine.
 this manual offers full information you need for repair your machine.
the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. 
all pages are printable, so run off what you need and take it with you into the garage or workshop. 
   

Models & Serials Covered:

PIN ZFEM01001 and above

Part number 48193162
English
November 2017

OPTUM 270 CVT - [ZFEM01001 - ZGEM02931],
OPTUM 270 CVT - [ZFEM50001 - ZGEM50841],
OPTUM 270 CVT - [ZGEM02932 - ZGEM04528],
OPTUM 270 CVT - [ZGEM04529 - ],
OPTUM 270 CVT - [ZGEM50842 - ZGEM51829],
OPTUM 270 CVT - [ZGEM51830 - ],
OPTUM 300 CVT - [ZFEM01001 - ZGEM02931],
OPTUM 300 CVT - [ZFEM50001 - ZGEM50841],
OPTUM 300 CVT - [ZGEM02932 - ZGEM04528],
OPTUM 300 CVT - [ZGEM04529 - ],
OPTUM 300 CVT - [ZGEM50842 - ZGEM51829],
OPTUM 300 CVT - [ZGEM51830 - ]

Table of Contents: 

INTRODUCTION
Engine....................................................................................... 10
[10.001] Engine and crankcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.1
[10.216] Fuel tanks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.2
[10.202] Air cleaners and lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.3
[10.254] Intake and exhaust manifolds and muffler . . . . . . . . . . .10.4
[10.500] Selective Catalytic Reduction (SCR) exhaust treatment . . .10.5
[10.400] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.6
[10.414] Fan and drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.7
[10.310] Aftercooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.8
Clutch ....................................................................................... 18
[18.112] Slip clutch or flywheel damper . . . . . . . . . . . . . . . . . . . . 18.1
Transmission.............................................................................. 21
[21.504] Continuously Variable Transmission (CVT) . . . . . . . . . . .21.1
[21.505] Continuously Variable Transmission (CVT) external controls . . . . . 21.2
[21.506] Continuously Variable Transmission (CVT) hydraulic components..21.3
[21.507] Continuously Variable Transmission (CVT) internal components . . 21.4
Four-Wheel Drive (4WD) system .................................................. 23
[23.202] Electro-hydraulic control . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  23.1
[23.314] Drive shaft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23.2
Front axle system ....................................................................... 25
[25.100] Powered front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.1
[25.102] Front bevel gear set and differential . . . . . . . . . . . . . . . . . 25.2
[25.108] Final drive hub, steering knuckles, and shafts . . . . . . . . . 25.3
[25.122] Axle suspension control . . . . . . . . . . . . . . . . . . . . . . . . . . . .25.4
Rear axle system........................................................................ 27
[27.100] Powered rear axle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27.1
[27.106] Rear bevel gear set and differential . . . . . . . . . . . . . . . . .27.2
[27.120] Planetary and final drives . . . . . . . . . . . . . . . . . . . . . . . . . 27.3
Power Take-Off (PTO) ................................................................. 31
[31.104] Rear electro-hydraulic control . . . . . . . . . . . . . . . . . . . . . . .31.1
[31.119] Four-speed rear Power Take-Off (PTO) . . . . . . . . . . . . . . .31.2
[31.142] Front Power Take-Off (PTO) control . . . . . . . . . . . . . . . . . 31.3
[31.146] Front Power Take-Off (PTO) . . . . . . . . . . . . . . . . . . . . . . . .31.4
Brakes and controls .................................................................... 33
[33.202] Hydraulic service brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . .33.1
[33.110] Parking brake or parking lock . . . . . . . . . . . . . . . . . . . . . . .33.2
[33.240] Emergency brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  33.3
[33.220] Trailer brake hydraulic control. . . . . . . . . . . . . . . . . . . . . . . 33.4
[33.224] Trailer brake pneumatic control . . . . . . . . . . . . . . . . . . . . .33.5
[33.204] Front axle brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.6
[33.200] Brake cooling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.7
[33.350] Anti-lock Brake System (ABS) . . . . . . . . . . . . . . . . . . . . . . .  33.8
Hydraulic systems....................................................................... 35
[35.000] Hydraulic systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  35.1
[35.300] Reservoir, cooler, and filters. . . . . . . . . . . . . . . . . . . . . . . . .  35.2
[35.106] Variable displacement pump . . . . . . . . . . . . . . . . . . . . . . . . .35.3
[35.230] Priority valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35.4
[35.204] Remote control valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.5
[35.220] Auxiliary hydraulic pump . . . . . . . . . . . . . . . . . . . . . . . . . . . .35.6
[35.114] Three-point hitch control valve . . . . . . . . . . . . . . . . . . . . . . 35.7
[35.116] Three-point hitch cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . .35.8
[35.124] Three-point hitch hydraulic adjustment . . . . . . . . . . . . . . .35.9
[35.160] Front hitch controls and lines . . . . . . . . . . . . . . . . . . . . . . .  35.10
[35.162] Front hitch cylinders and lines . . . . . . . . . . . . . . . . . . . . . . . 35.11
Hitches, drawbars, and implement couplings............................37
[37.100] Drawbars and towing hitches . . . . . . . . . . . . . . . . . . . . . . . . 37.1
[37.106] Automatic pickup hitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37.2
[37.162] Front hitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37.3
Frames and ballasting ................................................................. 39
[39.100] Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39.1
[39.140] Ballasts and supports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39.2
Steering..................................................................................... 41
[41.101] Steering control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.1
[41.106] Tie rods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41.2
[41.200] Hydraulic control components. . . . . . . . . . . . . . . . . . . . . 41.3
[41.216] Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41.4
[41.432] Autoguidance steering . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.5
Wheels...................................................................................... 44
[44.511] Front wheels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44.1
[44.520] Rear wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44.2
Cab climate control ..................................................................... 50
[50.100] Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  50.1
[50.104] Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.2
[50.200] Air conditioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.3
Electrical systems ....................................................................... 55
[55.045] Front axle control system . . . . . . . . . . . . . . . . . . . . . . . . . . 55.1
[55.000] Electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.2
[55.100] Harnesses and connectors. . . . . . . . . . . . . . . . . . . . . . . . .. 55.3
[55.015] Engine control system. . . . . . . . . . . . . . . . . . . . . . . . . . . . .  55.4
[55.301] Alternator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.5
[55.302] Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.6
[55.988] Selective Catalytic Reduction (SCR) electrical system . .  55.7
[55.640] Electronic modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.8
[55.513] Cab transmission controls. . . . . . . . . . . . . . . . . . . . . . . . . .55.9
[55.024] Transmission control system . . . . . . . . . . . . . . . . . . . . . . . 55.10
[55.020] Transmission speed sensors. . . . . . . . . . . . . . . . . . . . . . . .55.11
[55.021] Transmission pressure sensors . . . . . . . . . . . . . . . . . . . . . 55.12
[55.022] Transmission temperature sensors . . . . . . . . . . . . . . . . . .55.13
[55.023] Transmission position sensors and switches . . . . . . . . . 55.14
[55.048] Rear Power Take-Off (PTO) control system . . . . . . . . . . 55.15
[55.049] Front Power Take-Off (PTO) control system . . . . . . . . . 55.16
[55.519] Cab brake controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.17
[55.031] Parking brake electrical system . . . . . . . . . . . . . . . . . . . .  55.18
[55.512] Cab controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.19
[55.035] Remote control valve electric control . . . . . . . . . . . . . . . 55.20
[55.051] Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls. . . . . 55.21
[55.050] Heating, Ventilation, and Air-Conditioning (HVAC) control system.. . .55.22
[55.047] Steering control system . . . . . . . . . . . . . . . . . . . . . . . . . . .. 55.23
[55.130] Rear three-point hitch electronic control system . . . . . . 55.24
[55.160] Front hitch electronic control system. . . . . . . . . . . . . . . . . 55.25
[55.911] Satellite navigation systems. . . . . . . . . . . . . . . . . . . . . . . . .55.26
[55.404] External lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.27
[55.510] Cab or platform harnesses and connectors . . . . . . . . . . . .  55.28
[55.408] Warning indicators, alarms, and instruments . . . . . . . . . . . .55.29
[55.550] Tire Pressure Monitoring System (TPMS) . . . . . . . . . . . . . . . 55.30
[55.350] Anti-lock Brake System (ABS) electrical system . . . . . . . . . .55.31
[55.DTC] FAULT CODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.32
Platform, cab, bodywork, and decals ............................................. 90
[90.150] Cab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90.1
[90.156] Cab windshield and windows . . . . . . . . . . . . . . . . . . . . . . . . . .. 90.2
[90.100] Engine hood and panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90.3

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