Case Farmall 40, 45, 50 with Cab & CVT Tractor Service Manual
1,177 pages · Publication 84234514
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- Models
- Farmall 40, 45, 50 with Cab & CVT
- Manual type
- Service Manual
- Pages
- 1,177
- Publication
- 84234514
- Condition
- Brand new

What's inside
From the manual's own table of contents: 76 sections, 696 entries. See sample pages (PDF, 372 KB)
Hardware6 topics
- General
- Plating
- Nut Tightening
- Locknuts
- Jam Nuts
- Thread Lubrication
Safety6 topics
- The Tractor
- Servicing the Tractor
- Operating the Tractor
- Driving the Tractor
- Operating the PTO
- Diesel Fuel
Safety Decals1 topic
- Instruction Decals
Specifications17 topics
- Engine
- Capacities
- Air Conditioning System
- Cooling System
- Electrical System
- Fuel System
- Brakes
- Steering
- Power Take-off
- Hydraulic Lift System
- Transmission
- Transmission Speeds -- kph (mph)
- Cast Iron Weights
- Drawbars
- Point Hitch
- Tires
- Wheel Bolt Torques
Show all 76 sections
Special Tools16 topics
- Liquid Ballast (Optional)
- Tire Pressure
- Rear Tire Liquid
- Cylinder Block
- Cylinder Head
- Piston
- Piston Pin
- Piston Ring
- Connecting Rod
- Crankshaft
- Camshaft
- Valves
- Push Rods
- Rocker Arm
- Lubrication System
- Torque Specification
Metric Bolt Torque Specifications1 topic
- Compression Test and Tools
Troubleshooting6 topics
- Cylinder Head and Valve Train Components
- Separating the Tractor at the Engine -- Front Transmission Box
- Removal
- Separating the Tractor at the Engine/Frame
- Installation
- Attaching the Front Transmission Box to the Engine
Overhaul68 topics
- Fuel Injector and Glow Plug
- Oil Pressure Switch
- Temperature Sending Switch and Alternator
- Fan, Water Pump, and External Oil Tube
- Air Inlet Manifold
- Rocker Arm Shaft and Support Bracket
- Valve Tappet
- Fuel Shutoff Solenoid
- Engine Timing Gear Cover, Timing Gears, and Cam Shaft
- Timing Gear Cover Removal
- Timing Gears and Camshaft
- Oil Sump
- Oil Suction Pipe and Strainer
- Balancer Assembly
- Connecting Rods, Bearings, and Pistons, Rings
- Flywheel
- Backplate and Oil Seal
- Crankshaft and Main Bearings
- Disassembly
- Inspection and Repair
- Valve Seats
- Valve Guides
- Valve Springs
- Rocker Arms
- Assembly
- Pistons
- Disassembly and Inspection
- Piston Rings
- Connecting Rods
- Pin to Bushing Clearance
- Connecting Rod Bearing
- Clearance Check
- Pistons, Rings, and Connecting Rod
- Crankshaft -- Main Bearing and Thrust Washer
- Removal and Inspection
- Bearing (Bushing)
- Replacement
- Main Bearing
- Port Block
- Timing Gear
- Inspection
- Timing Gear Housing
- Front Oil Seal and Steering Pump Seal
- Crankshaft and Bearing Holder
- Rear Oil Seal and Backplate
- Pistons and Connecting Rods
- Balancer Assembly (N844 and N844L Engines)
- Balancer Shims
- Oil Suction Pipe and Suction Strainer
- Camshaft and Camshaft Gear
- Idler Gear, Oil Pump, and Injection Timing
- Timing Gear Cover
- Crankshaft Pulley
- Fuel Injection Pump
- Hydraulic Oil Pump
- Power Steering Pump
- Head Gasket Selection
- Selection Chart
- Valve Clearance
- Adjustment
- Valve Cover
- Water Pump and Cooling Fan
- External Oil Tube
- Glow Plug and Connector
- Fuel Injector
- Fuel Piping
- Alternator and Temperature Sender Switch
- Exhaust Manifold
Description of Operation -- Engine Lubrication System9 topics
- Oil Filter
- Construction and Function
- Maintenance
- Oil Pump
- Installation and Adjustment
- Engine Oil Pressure
- Check
- Oil Pressure Relief Valve
- Oil Consumption
Description of Operation -- Cooling System5 topics
- Coolant
- Radiator Cap
- Thermostat
- Water Pump
- Cooling Fan
Overhaul -- Cooling System3 topics
- Radiator
- Cab Heater
- Standards for Adjusting the Injection Pump
Description of Operation -- Injection Pump9 topics
- Fuel Injectors
- Governor
- Fuel Variation Mechanism
- Delivery Valve Assembly
- CTD (Compact Timing Device) Mechanism
- Pumping Elements
- Delivery Valves
- Injection Pump
- Repair
Calibration/Adjustments8 topics
- Fuel Pump
- Installation (New Pump or Drive Component)
- Spill-timing Procedure
- Fuel Screw/High Idle
- Auto Bleed
- Fuel Lift Pump
- Specifications
- Troubleshooting
Description of Operation -- Governor4 topics
- Adjustments
- Injectors
- Assembly/Adjustment
- Engine Breather Valve
Troubleshooting -- Engine Breather Valve4 topics
- Front Transmission Box
- Separating the Front Transmission Box from the Differential Housing
- Installing the Front Transmission Box to the Differential Housing
- Forward/Reverse Shuttle Clutch
Bolt Torque Specifications16 topics
- Variator
- PIV (ARON) Valve
- General Operation
- Operating Speeds
- Hydraulic Pump
- Variator Output Speed Sensor
- Testing
- Hydraulic Oil Pressure Sensor
- G-Rotor Pump Inner Filter
- Rear PTO/FWD Hydraulic Valves
- Secondary Pulley Output Shaft
- Park Lock Control
- Primary Pulley Oil Distribution Pipe
- Transmission Release Control
- Drive Pinion
- Planetary Reduction Gear
CVT Transmission Sensors, Valves and Switches2 topics
- Front to Rear Axle Ratio
- Farmall 40, Farmall 45, and Farmall 50
Description of Operation - FWD Front Axle1 topic
- FWD Front Axle
Lubrication1 topic
- Lubricate Every 50 Hours - Standard FWD
Overhaul - Standard FWD Axle26 topics
- Standard FWD Axle
- Gear Reduction Drop Box
- Front Axle and Differential
- Front Axle
- Differential
- Gear Reduction-Drop Box
- Differential Gear
- Axle and Differential
- Differential Case Bearing Preload
- Check and Adjustment
- Gear Reduction Box
- Bevel Gear-to-Pinion Backlash
- 4WD Engage/Disengage Theory of Operation
- Engage
- Disengage
- Oil Flow
- 4WD Engagement
- 4WD Disengagement
- 4WD Engage/Disengage Troubleshooting
- Mechanical Operation
- 4WD Pressure Test
- Differential Lock
- Secondary Pulley Output Shaft -- Removal
- Park Lock Control -- Removal
- Transmission Release Control -- Removal
- Replacement Shim Amount (S2) Calculation
Ring Gear and Pinion Gear Pattern Specification and Adjustment22 topics
- Transmission Release Control -- Installation
- Park Lock Control -- Installation
- Secondary Pulley Output Shaft -- Installation
- Rear Axle
- Seal Removal Tool
- Tool Chart
- PTO Hydraulic System
- PTO Clutch
- Rear PTO
- Power Flow Diagram for the CVT Transmission
- PTO Activation Electrohydraulic Circuit
- Un-switched Battery Power Stud
- Cab Power Relay
- Switched Battery Power Stud
- PTO Activation Switch
- Transmission Control Unit
- PTO Clutch Solenoid
- ADIC Instrument Cluster
- Rear PTO Speed Sensor
- PTO Activation Electrohydraulic Circuit Troubleshooting
- Hydraulic Fluid Flow
- PTO Clutch Assembly
Pressure Testing11 topics
- PTO Hydraulic Block
- Test Procedure
- PTO Cover
- PTO Cover Components
- PTO Clutch Components
- Rear PTO Inductive Speed Sensor
- Power Flow
- Power Flow Diagram for the CVT Transmission with mid PTO
- Mid PTO Components
- Mid PTO
- Park Brake
Introduction and Circuit Identification4 topics
- Pump
- Filter
- Mechanical Hydraulic Lift Assembly
- Open Center Hydraulic Circuit and Mechanical Lift
Description of Operation -- Hydraulic Pump and Filter1 topic
- Hydraulic Pump and Filter
Tightening Torques1 topic
- Metric Bolt Torque Specifications
Description and Operation -- Hydraulic System21 topics
- Position Control Operation
- Float Operation
- Response Control
- Hydraulic Control Valve
- Control Valve Operation
- Neutral Position
- Lifting Position
- Lowering Position
- Control Valve Internal Linkage
- Position Control -- Raise Mode (Viewed From Left Side of Tractor)
- Use of Position Control Lever
- Mechanical Lift Assembly
- Rear Lift External Controls
- Rear Lift Internal Controls
- Lift Arm Shaft
- Disassembly -- Assembly
- Control Valve
- Control Valve Adjustments
- Sensitivity Adjustment
- Position Control Lever Adjustment
- Internal Push Rod Adjustment
Description of Operation -- PIV Manifold Block3 topics
- Main System Relief Valve
- Duplicate Relief Valve
- Servicing Faulty Relief Valve
Description of Operation - Remote Valves5 topics
- Switching Between Single and Double Acting Cylinders
- Rear Remote Fluid Flow Diagrams
- Float
- Lift
- Lower
Front Remote (Two Spool) Loader Control Valve Fluid Flow Diagrams16 topics
- Bucket Control
- Neutral/Lift Control - Neutral
- Bucket Control - Dumping/Lift Control - Neutral
- Bucket Control - Dumping Regen/Lift Control - Neutral
- Bucket Control - Roll Back/Lift Control - Neutral
- Bucket Control - Neutral/Lift Control - Raising
- Bucket Control - Neutral/Lift Control - Lowering
- Bucket Control - Neutral/Lift Control - Float
- Two Spool Remote Valve
- Non-detent Valve
- Rear Remote (Three Position Valve) (Non-denten)
- Four Position Valve With Detent and Float
- Detent Kick-out Adjustment
- Pump Efficiency
- Inlet Restriction
- Power Steering System
Description of Operation -- FWD Front Axle22 topics
- Standard 4WD
- Power Steering Operation - Standard 4WD
- Fluid Flow - Neutral Position
- Fluid Flow - Left Turn
- Fluid Flow - Right Turn
- Manual Operation - Standard 4WD
- Pump, Steering Motor, and Relief Valve
- Steering Cylinder
- Lubricate Every 50 Hours - Standard 4WD
- Steering Cylinder - Standard 4WD
- Power Steering Control Motor
- Spool and Sleeve
- Check Valve
- Drive Shaft
- Pressure Relief Valve
- Steering Control Motor
- Break-in Procedure
- Compressor
- Refrigerant
- Refrigerant Oil
- Low Pressure Switch
- High Pressure Switch
Description and Operation12 topics
- Condenser
- Evaporator
- Expansion Valve
- Receiver/Drier
- Heater
- Heater System
- HVAC Control Panel
- Cab Air Filter
- Cleaning Cab Air Filter
- Compressor Protection Switches
- High-Pressure Cutout Switch
- Low-Pressure Cutout Switch
Component Location23 topics
- Cab and Engine Bay
- Cab Roof
- Expansion Valve -- Testing
- Temperature/Pressure Chart
- Service Precautionary Statements
- Leak Testing
- Refilling
- Contaminants
- Preventing Mixing of Service Equipment
- Refrigerant Extraction and Recycling Equipment
- Using Extraction Equipment
- Using Recycling Equipment
- Recycling vs. Reclaiming
- Containment of Air Conditioning Refrigerants
- Recovery
- Flushing
- Recharging/Refilling
- Using a Manifold Gauge Set
- Checking Refrigerant for Excess Air
- Containers for Storing Recycled Refrigerant
- Disposal of Empty or Near-empty Disposable Containers
- Applicable SAE Standards
- Related SAE Standards
Manifold Gauges and Interpretations1 topic
- Performance Test Examples
Charging8 topics
- Belt Replacement
- Specification
- HVAC Controls
- Heater Valve
- Evaporator/Heater Core Replacement
- Temperature Sensor
- Blower Motor/Blower Motor Resistor
- A/C Compressor
Compressor Assembly Torques107 topics
- Compressor Breakdown
- Clutch Breakdown
- Compressor Repaired Internally and Reinstalled in the System
- of the Same Type
- Clutch Head Repair
- Keyed Shaft Armature Removal
- Rotor Assembly Removal
- Field Coil Assembly Removal
- Field Coil Assembly Installation
- Rotor Assembly Installation
- Keyed Shaft Armature Assembly Installation
- Replacement of Shaft Seal
- Cylinder Head Removal
- Valve Plate Removal
- Valve Plate and Cylinder Head Installation
- Component Location and Function
- Wiring Harnesses
- Grounds
- Electrical System Components
- Battery
- Checking the Electrolyte Level
- Main Fuse
- Fuse Blocks
- Key Switch
- Terminal Identification
- Stop Position (Not Shown)
- Heat/ Accessory/ Run Position
- Start Position
- Multi Function Stalk Switch (Lights, Turn Signals, Horn)
- Stalk Switch Testing
- Shuttle Lever (FNR)
- Shuttle Lever (FNR) Testing
- Forward / Reverse Shuttle Terminal Identification
- Headlight
- Taillight/Rear Flasher Light
- Front Flasher Warning Light/Turn Signals
- Cab Work Lights
- Work Light Switch
- On” Position
- Hazard Light Switch
- Off” Position
- Program Set Switch
- Enter Position “ON
- Home Position “ON
- Program Select Switch
- UP Position “ON
- DOWN Position “ON
- Anti-Stall Switch
- Reactivity Switch
- HI Position “ON
- LOW Position “ON
- Speed Select Switch
- 2WD/4WD select switch
- 4WD Position “ON
- 2WD Position “ON
- Cruise/Preset Switch
- CRUISE Position “ON
- PRESET Position “ON
- Cruise RESUME/SET Switch
- RESUME Position “ON
- SET Position “ON
- Switch Pulled Up “ON” Position
- Switch Pushed Down “OFF” Position
- Switch Replacement
- Rear (Main) PTO Safety Switch
- Mid PTO Switch (Optional)
- Retracted Position (PTO “ON”)
- Extended Position (PTO “OFF”)
- Brake Switch/Cruise Control Release Switch
- Extended Position
- Retracted Position
- Seat Safety Switch
- Description
- Park Brake Safety Switch
- Retracted Position (Not Shown)
- Relays
- Micro Relay Block Location
- Micro Relay Identification
- Cab HVAC Relay Location
- Low Beam, Work Light, Flasher Cutoff, and HVAC Micro Relays
- Crank and Glow Plug Power Relay Locations
- Main Power Relay Location
- Crank and Main Power Relays
- Glow Plug Power Relay
- Installation (All Relays)
- Crank and Glow Plug Power Relays
- Cab HVAC Relay
- Main Power Relay
- Micro Relays
- Diodes
- Diode Testing
- Operator Safety Module
- Glow Plug Timer
- Speed Control Pedal (Potentiometer)
- Terminal Identification and Function
- Engine Glow Plugs
- Hazard Flasher/Turn Signal Control Module
- Transmission Controller
- Fuel Level Sending Unit
- Engine Oil Pressure Switch
- Engine Coolant Temperature Sending Unit
- Main Harness (Cab Connectors)
- Cab Power Connector C43P Identification and Function (C43P--C43R)
- Cab Signal Connector C44P Identification and Function (C44P--C44R)
- Main Harness (Chassis Connectors)
- Chassis Harness Connector C3P Identification and Function (C3P--C3R)
- Chassis Harness Connector C2P Identification and Function (C2P--C2R)
Electrical Schematics23 topics
- Starting Circuit (Operator Present or Not Present)
- Safe Operation Circuit (Operator Present)
- Safe Operation Circuit (Operator Not Present)
- Glow Plug Circuit
- Main Headlights Circuit (Position, Low Beams)
- Front Worklights
- Cab Work Lights Circuit
- Interior Cab Lights Circuit
- Hazard Flasher Lights Circuit
- Right Turn Signal Circuit
- Left Turn Signal Circuit
- HVAC Circuit
- Auxiliary Power Socket Circuit
- Front and Rear Wiper Circuit
- Horn Circuit
- Charging Circuit
- Brake Light Circuit
- Park Brake Indicator Light Circuit
- Engine Coolant Temperature Circuit
- Engine Low Oil Pressure Indicator Light Circuit
- Fuel Level Circuit
- Beacon Circuit
- Radio Circuit
ADIC (Instrument Control Panel)1 topic
- Instrument Control Panel
ADIC Programming12 topics
- Wheel Speed Calibration
- ADIC Beeper
- MPH or Km/h
- Clock
- Setting the Time
- Medium Speed Range Speed Set
- Password Set-up
- Parental Lock
- ADIC Fault Codes
- (Transmission Related)
- PTO Indicator Light and PTO Speed Display
- Tachometer/Engine Speed
Charging System16 topics
- Alternator
- Principle of IC Regulator
- Preliminary Alternator Tests
- Alternator Drive Belt
- Alternator Output
- Alternator Removal
- Alternator Disassembly
- Alternator Component Testing and Inspection
- Stator
- Rotor
- Rectifier Assembly
- Alternator Brushes
- Alternator Bearings
- Drive Pulley
- Alternator Frames
- Alternator Bench Check
Starting System10 topics
- Description of Operation
- Starter Components
- Starter Motor Assembly
- Starter Solenoid
- Pinion Clutch
- Electrical Testing
- Armature
- Brush Holder
- Field Coil
- No Load Test
Electrical Power System27 topics
- Wiring Harness -- Component Diagram Connectors C1 -- C11
- Wiring Harness -- Component Diagram Connectors C12 -- C27
- Wiring Harness -- Component Diagram Connectors C28 -- C37
- Wiring Harness -- Component Diagram Connectors C38 -- C47
- Wiring Harness -- Component Diagram Connectors C50A -- C59
- Wiring Harness -- Component Diagram Connectors C60 -- C69
- Wiring Harness -- Component Diagram Connectors C70 -- C79
- Wiring Harness -- Component Diagram Connectors C80 -- C91
- Wiring Harness -- Component Diagram Connectors C92 -- C99
- Wiring Harness -- Component Diagram Connectors C100 -- C117
- Wiring Harness -- Component Diagram Connectors C120 -- C143
- Wiring Harness -- Component Diagram Ring Terminals
- Wiring Harness -- Electrical Schematic Frame 08
- Wiring Harness -- Electrical Schematic Frame 09
- Wiring Harness -- Electrical Schematic Frame 10
- Wiring Harness -- Electrical Schematic Frame 11
- Wiring Harness -- Electrical Schematic Frame 12
- Wiring Harness -- Electrical Schematic Frame 13
- Wiring Harness -- Electrical Schematic Frame 14
- Wiring Harness -- Electrical Schematic Frame 16
- Wiring Harness -- Electrical Schematic Frame 17
- Wiring Harness -- Electrical Schematic Frame 18
- Wiring Harness -- Electrical Schematic Frame 20
- Wiring Harness -- Electrical Schematic Frame 21
- Wiring Harness -- Electrical Schematic Frame 22
- Wiring Harness -- Electrical Schematic Frame 23
- Wiring Harness -- Electrical Schematic Frame 24
Fault Codes65 topics
- 2024 -- Forward and Reverse Clutches Not Calibrated
- 2026 -- Engine Speed Too High
- 2027 -- Engine Speed Too Low
- 2035 -- Dump Solenoid Short to Ground or High Voltage
- 2036 -- Dump Solenoid Open Circuit
- 2051 -- Oil Temperature Sensor Open Circuit
- 2052 -- Oil Temperature Sensor Short to Ground or High Voltage
- 2053 -- +5 Volt Reference Voltage Too High
- 2054 -- +5 Volt Reference Voltage Too Low
- 2059 -- Shuttle Lever Switch Disagreement
- 2070 -- Shuttle Lever Forward Switch Voltage Too High
- 2071 -- Shuttle Lever Forward Switch Voltage Too Low
- 2072 -- Shuttle Lever Reverse Switch Voltage Too High
- 2073 -- Shuttle Lever Reverse Switch Voltage Too Low
- 2173 -- Overvoltage to Transmission Controller
- 2342 -- Forward Clutch Solenoid Open Circuit or Shorted to Ground
- 2343 -- Reverse Clutch Solenoid Open Circuit or Shorted to Ground
- 2352 -- Forward Clutch Solenoid 12 Volt Circuit Error
- 2353 -- Reverse Clutch Solenoid 12 Volt Circuit Error
- 2362 -- Forward Clutch Not Calibrated
- 2363 -- Reverse Clutch Not Calibrated
- 2429 -- Transmission Oil Pressure Switch -- No Signal
- Both Activated (Speed Range Switch)
- (Cruise Activation/Preset Switch)
- (Cruise Set/Resume Switch)
- 2600 -- Variator Solenoid Open Circuit or Shorted to Ground
- 2601 -- Variator Solenoid 12 Volt Circuit Error
- 2602 -- Variator Not Calibrated
- Ground or Open Circuit
- 2606 -- Transmission Speed Pedal Potentiometer 5V or 12V Circuit Error
- 2607 -- Transmission Speed Pedal Neutral Switch Error
- 2610 -- Variator Drive Slipping
- Circuit or Shorted to Ground
- 2616 -- Transmission Torque Pressure Sensor Shorted to 5V or 12V
- 2620 -- Input Pulley Speed Sensor Shorted to 12V or Open Circuit
- 2621 -- Input Pulley Speed Sensor Shorted to Ground
- 2630 -- Output Pulley Speed Sensor Shorted to 12V or Open Circuit
- 2631 -- Output Pulley Speed Sensor Shorted to Ground
- 2640 -- Transmission Standstill Solenoid Open Circuit or Shorted to Ground
- 2641 -- Transmission Standstill Solenoid Shorted to 12V
- 2650 -- CVT Pressure Switch Error
- 2700 -- Engine Speed Sensor Shorted to 12V or Open Circuit
- 2701 -- Engine Speed Sensor Shorted to Ground
- 5070 -- PTO Clutch Solenoid 12 Volt Circuit Error
- PTO Clutch Solenoid Open Circuit
- 14001 -- Rear PTO Sensor Short to 12V
- 14002 -- Rear PTO Speed Sensor Short to Ground
- 14021 -- Cranking Line Shorted to 12V
- Short to High Voltage
- 14042 -- Engine Coolant Temperature Sensor Short to Ground
- 14051 -- Fuel Level Sensor Open Circuit or Short to High Voltage
- 14052 -- Fuel Level Sensor Short to Ground
- 14058 -- Seat Switch Closed For Over 25 Hours
- 14901 -- Transmission Control Module Connection Error
- Hood
- Rear Hood Panel
- Dash Console
- Operator’s Seat
- Front Wiper Motor
- Washer Tank
- Rear Wiper Motor
- Door Handle and Latch
- Door Striker
- Cab Door
- Cab Rear Window
Inside this manual
Real pages from this service manual (1,177 pages). Open the sample pages (PDF, 372 KB)
- Color page, page 524: SECTION 35 -- HYDRAULIC SYSTEM -- CHAPTER 3
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 1,177 pages
Quantity one is the manual described above.
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