Case Farmall 40, 45, 50 Tractor Service Manual

Name: Case Farmall 40, 45, 50 Tractor Service Manual
Brand: MidWestTech
SKU: 87473193
Price: 149.57 USD
Availability: InStock

1,415 pages · Publication 87473193

$149.57

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Models: Farmall 40, 45, 50
Manual type: Service Manual
Pages: 1,415
Publication: 87473193
Condition: Brand new

Case Farmall 40, 45, 50 Tractor Service Manual, publication 87473193

What's inside

From the manual's own table of contents: 110 sections, 659 entries. See sample pages (PDF, 495 KB)

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SECTION 00 - GENERAL INFORMATION

SECTION 10 - ENGINE

SECTION 18 - CLUTCH

SECTION 21 - TRANSMISSION

SECTION 25 - FWD FRONT AXLE

SECTION 27 - DIFFERENTIAL, REAR AXLE

SECTION 29 - HYDROSTATIC TRANSMISSION

SECTION 31 - POWER TAKE-OFF (PTO) SYSTEMS

SECTION 33 - BRAKES

SECTION 35 - HYDRAULIC SYSTEM

SECTION 41 - STEERING

SECTION 50 - CLIMATE CONTROL

SECTION 55 - ELECTRICAL

SECTION 90 - PLATFORM

Introduction

Precautionary Statements

Personal Safety

Machine Safety

Information

Technical Information

Hardware6 topics

General
Plating
Nut Tightening
Locknuts
Jam Nuts
Thread Lubrication

Safety7 topics

The Tractor
Servicing the Tractor
Operating the Tractor
Driving the Tractor
Operating the PTO
Diesel Fuel
Safety Frame (ROPS)

Decals -- Farmall 40, 45, 50 with 12x12 Transmission2 topics

Safety Decals
Instruction Decals -- Farmall 40, 45, 50 with 12x12 Transmission

Decals -- Farmall 40, 45 with HST1 topic

Instruction Decals -- Farmall 40, 45 with HST Transmission

Show all 110 sections

General Information

Universal Symbols

Specifications -- Farmall 40, 45, 50 with 12x12 Gear Transmission

General Dimensions

Specifications -- Farmall 40, 45 with Hydrostatic Transmission

Minimum Hardware Tightening Torque

Special Tools1 topic

Recommended Lubricants

Adjustments

Specifications

Metric Bolt Torque Specifications1 topic

Compression Test and Tools

Description of Operation

Troubleshooting6 topics

Cylinder Head and Valve Train Components
Separating the Tractor at the Clutch Housing/Engine -- 12x12 Transmission
Removal
Separating the Tractor at the Engine/Frame
Installation
Attaching the 12x12 Transmission to the Engine

Overhaul75 topics

Engine
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
Cylinder Head
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
Valves
Valve Guides
Valve Springs
Rocker Arms
Push Rods
Assembly
Cylinder Block
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
Crankshaft
Bearing (Bushing)
Replacement
Main Bearing
Port Block
Timing Gear
Camshaft
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 System8 topics

Oil Filter
Construction and Function
Maintenance
Oil Pump
Installation and Adjustment
Engine Oil Pressure
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

Torque Specifications9 topics

Injection Pump
Fuel Injectors
Governor
Fuel Variation Mechanism
Delivery Valve Assembly
CTD (Compact Timing Device) Mechanism
Pumping Elements
Delivery Valves
Repair

Calibration/Adjustments4 topics

Fuel Pump
Installation (New Pump or Drive Component)
Spill-timing Procedure
Fuel Screw/High Idle

Fuel Flow Chart8 topics

Auto Bleed
Fuel Lift Pump
Specifications
Troubleshooting
Adjustments
Injectors
Assembly/Adjustment
Engine Breather Valve

Troubleshooting -- Engine Breather Valve

Bolt Torques2 topics

Separating the Tractor at the Clutch Housing/Engine
Clutch

Clutch Related Components4 topics

Pilot Bearing
Damper Disc
Flywheel Dimensions
Clutch Release Bearing

Clutch Linkage Components30 topics

Cross Shaft Bushings
Pedal Bushings
Pedal
Maximum Travel Adjustment
Cross Section -- 12 x 12 Transmission
Powerflow
Clutch Housing
Main Transmission
Retainer Cover
Main Shift Rails and Shift Forks
Main Shaft
Range Shift Rail and Shift Fork
Range Gear Countershaft
Input Shaft
Reverse Idler Shaft
Shuttle Shift Rail and Fork
Main Countershaft
Synchronizers
Main Transmission Components
Main Countershaft End Float
Assembly -- Bearing (no preload)
Range Shift Rail and Fork
Main Shaft End Float
Main Shift Rails and Forks
Attaching the 12 x 12 Transmission to the Engine
Transmission Shift Levers
Main Shift Control Lever
Main Shift Lever
Shuttle Shift Control Lever
Front to Rear Axle Ratio

Bolt Torque Specifications

Description of Operation -- FWD Front Axle1 topic

FWD Front Axle

Lubrication1 topic

Lubricate Every 50 Hours -- Standard FWD

Overhaul -- Standard FWD Axle31 topics

Standard FWD Axle
Gear Reduction Drop Box
Front Axle and Differential
Drive Pinion
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
Check
Differential Lock
Rear Axle
Final Pinion
Power Flow
High Range
Low Range
Oil Flow
Neutral Position
Forward Position
Reverse Position
Variable Displacement Pump
Two Position Displacement Motor
Hi/Lo Speed Control/Control Pod
Hi/Lo Speed Control
Foot Control Pedals
Charge Pump Relief Valve
Test

Pressure Testing and Adjustments2 topics

High Pressure Relief Valve
Hi/Low Pressure Test

Separating the Tractor20 topics

Farmall 40 and Farmall 45 w/HST Transmission
Separating at the HST Housing/Engine
Separating the HST Housing at the Gearbox
Attaching the HST Housing to the Gearbox
Attaching the HST to the Engine
Hydrostatic Transmission
Charge Pump
Cylinder Block Assembly
Motor Swash Plate
Input and Output Shaft
Pump Swash Plate
Piston
Swash Plate
Pump Shaft (Input Shaft)
Cylinder Block Assembly for Pump
Assembly for Pump
Motor Shaft
Cylinder Block Assembly for Motor
Assembly for Motor
Check Valve

Description and Operation -- Gearbox2 topics

Gearbox
Gearbox Identification

Overhaul -- Gearbox19 topics

Hi/Lo Solenoid Valve
Testing
Adapter Block
Cruise Control
Electromagnet Air Gap Adjustment
HST Pedals
Stop Adjustment
HST Cruise Control Magnet
HST Foot Control Pedals
Neutral Adjustment
HST Pedals Return Spring
PTO Hydraulic System
PTO Clutch
Rear PTO
Power Flow Diagram for the 12x12 Synchronized Shuttle Shift Transmission
Power Flow Diagram for the Hydrostatic Transmission (HST)
Power Flow Diagram for Tractors Equipped with a Mid PTO Kit
Hydraulic Fluid Flow
PTO Clutch Assembly

Pressure Testing29 topics

Test Procedure
PTO System Diverter Valve Assembly
PTO Clutch Control Valve
Power Take Off System for 12x12 Synchronized Shuttle Shift Transmission
PTO Input Shaft
PTO Countershaft and Rear PTO Shaft
Power Take Off System for Hydrostatic Transmission (HST)
Mid PTO Countershaft and Drop Box
Brakes
Park Brake
Removal and Disassembly
Assembly and Installation
Flow Priority
Hydraulic System
Hydraulic Fluid Filter
Combination System Relief -- Diverter Valve Manifold Assembly
Control Valve Assembly (HPL)
Fluid Flow
Raising Position
Lowering Position
Bypass Spool -- Fluid Flow
Flow Control Valve
Single Lever -- Position Control
Neutral Position to Raise
Raise Position to Neutral Position
Neutral Position to Lowering Position
Main System Relief Valve
Inlet Restriction
Pump Efficiency

Overhaul -- Hydraulic System5 topics

Lift Cylinder
Hydraulic Control Valve
Combination System Relief Valve and Diverter Valve Assembly
HPL Linkage
Adjustment Procedure

Description of Operation -- Hydraulic Pump and Filter4 topics

Hydraulic Pump and Filter
Hydraulic Pump
Oil Pump Trial Running
Sump Tube and Screen Filter

Description of Operation -- Remote Valves6 topics

Remote Valves
Rear (Single-Spool) Remote Valve
Front (Double-Spool) Remote Valve
Rear (Single-spool) Remote System -- Fluid Flow
Remote Cylinder Extending
Remote Cylinder Retracting

Front Remote (Two Spool) Loader Control Valve Fluid Flow Diagrams26 topics

Bucket Control
Neutral/Lift Control-Neutral
Dumping/Lift Control-Neutral
Dumping REGEN/Lift Control-Neutral
Roll Back/Lift Control-Neutral
Neutral/Lift Control-Raising
Neutral/Lift Control-Lowering
Neutral/Lift Control-Float
Front (Double Spool) Remote Valve
Power Steering System
Steering Cylinder -- FWD
Power Steering Operation -- FWD
Fluid Flow -- Neutral Position
Fluid Flow -- Left Turn
Fluid Flow -- Right Turn
Manual Operation -- FWD
Pump, Steering Motor, and Relief Valve
Steering Cylinder
Steering Control Motor
Pump
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

Evacuating the Refrigerant

Vacuum Test

Pressure Test

Leakage Test

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 Torques109 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
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 Block
Gear Model Tractors
HST Model Tractors
Key Switch
Terminal Identification
Stop Position (Not Shown)
Heat/ Accessory/ Run Position
Start Position
Light Switch (Road Lights)
Light Switch Testing
Off” Position
Taillight/Instrument Panel” Position (Middle Position)
Headlight Position” (Forward Position)
Light Switch Installation
Headlight
Taillight
Hazard Light Switch
On” Position
Transmission Range Safety Switch (HST and Gear)
Extended Position
Retracted Position (Not Shown)
Rear (Main) PTO Safety Switch
Retracted Position
Mid PTO Safety Switch (Optional for HST Models Only)
Seat Safety Switch
Description
Park Brake Safety Switch
Extended Position (Not Shown)
Relays
HSFarmall Series Relay Panel Identification
Gear Series Relay Panel Identification
Testing-Micro Relays
PTO Safety Relays
Headlight, Neutral Start and Starter Relays
Glow Plug Power Relay
Diodes
Module Testing
Diode Testing
Operator Safety Module
Glow Plug Timer
Engine Glow Plugs
Hazard Flasher/Turn Signal Control Module
Fuel Level Sending Unit
Engine Oil Pressure Switch
Engine Coolant Temperature Sending Unit
Hi/Low Transmission Range Switch (HST)
Optional Testing
Hi/Low Transmission Range Solenoid (HST)
Electric Cruise Control Switch (HST)
Cruise Control Magnet (HST)
Cruise Control Brake Release Switch (HST)
Electrical Schematic Diagram
Safety Start Circuit (Operator Present) (Gear Model)
Safety Start Circuit (Operator Present) (HST Model)
Safety Start Circuit (Operator Not Present) (Gear Model)
Safety Start Circuit (Operator Not Present) (HST Model)
Safe Operation Circuit (Operator Present) (Gear & HST Models)
Safe Operation Circuit (Operator Not Present) (Gear Model)
Safe Operation Circuit (Operator Not Present) (HST Model)
Glow Plug Circuit (Gear Model)
Glow Plug Circuit (HST Model)
Main Headlight Circuit (Gear Model)
Main Headlight Circuit (HST Model)
Hazard Flasher Circuit (Gear Model)
Hazard Flasher Circuit (HST Model)
Right Turn Signal Circuit (Gear Model)
Right Turn Signal Circuit (HST Model)
Left Turn Signal Circuit (Gear Model)
Left Turn Signal Circuit (HST Model)
PTO Indicator Light Circuit (Gear Model)
PTO Indicator Light Circuit (HST Model)
Engine Coolant Temperature Circuit (Gear Model)
Engine Coolant Temperature Circuit (HST Model)
Engine Low Oil Pressure Indicator Light Circuit (Gear Model)
Engine Low Oil Pressure Indicator Light Circuit (HST Model)
Fuel Level Circuit (Gear Model)
Fuel Level Circuit (HST Model)
Park Brake Indicator Light Circuit (Gear Model)
Park Brake Indicator Light Circuit (HST Model)
Tachometer Circuit (Gear Model)
Tachometer Circuit (HST Model)
Auxiliary Power Socket Circuit (HST Model)
Cruise Control Circuit (HST Transmission)
HST Range “Low” Shift Circuit
HST Range “High” Shift Circuit
Charging Circuit (Gear Model)
Charging Circuit (HST Model)

Component Operation and Servicing (Gear Transmission)1 topic

Instrument Panel (Gear Transmission)

Component Testing4 topics

Fuel Gauge
Temperature Gauge
Tachometer
As Viewed from the Rear of the Instrument Panel

Component Operation and Servicing (HST Transmission)2 topics

Instrument Panel (HST Transmission)
Instrument Panel

Component Testing and Replacement4 topics

Proof Meter (hour meter)
Instrument Panel Indicator and Illumination Lights
Bulb Identification Chart
Bulb Replacement

Alternator Specifications

Alternator Troubleshooting

Charging System17 topics

Alternator
Charging Circuit
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

Starter Motor Specifications

Starter Motor Troubleshooting

Starting System28 topics

Starter Components
Starter Motor Assembly
Starter Solenoid
Pinion Clutch
Electrical Testing
Armature
Brush Holder
Field Coil
No Load Test
Fuse Blocks
Multi Function Stalk Switch (Lights, Turn Signals, Horn)
Switch Testing
Headlights
Taillight/Rear Flasher light
Front Flasher Warning Light/Turn Signals
Cab Work Lights
Transmission Range Safety Switch
Extended Position (PTO “ON”)
Retracted Position (PTO “OFF”)
Mid PTO Safety Switch (Optional)
Farmall Series Relay Panel Identification
Relay Identification
Head Lights, and HVAC Relays
Headlight, Neutral Start, and Cab Power Relays
Installation (All Relays)
Park Brake Safety Alarm (Buzzer)
Optional Joystick Switch Testing
Cab to Tractor Harness Main Connectors

Electrical Schematic Diagram

Safety Start Circuit (Operator Present or Not Present)

Safe Operation Operator Present Circuit

Safe Operation Operator Not Present Circuit

Safety Alarm Circuit (Key “Off” And Park Brake “Off”)

Park Brake “On”)

Park Brake “Off”)

Glow Plug Circuit

Headlights Circuit

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

Cruise Control Circuit (HST Transmission)

HST Range “Low” Shift Circuit

HST Range “High” Shift Circuit

Charging Circuit

PTO Indicator Light Circuit

Park Brake Indicator Light Circuit

Engine Coolant Temperature Circuit

Engine Low Oil Pressure Indicator Light Circuit

Fuel Level Circuit

Tachometer Circuit

Beacon Circuit

Radio Circuit

Component Operation and Servicing22 topics

Hood
Rear Hood Side Panels
Dash Console
Seat -- Gear Models
Seat -- HST Models
ROPS
Fuel Tank
Fenders -- Gear Models
Fenders -- HST Models
Deck -- Gear Models
Deck -- HST Models
Rear Hood Panels
Operator’s Seat
Front Wiper Motor
Washer Tank
Rear Wiper Motor
Door Handle and Latch
Door Striker
Cab Door
Cab Rear Window
Fenders
Cab Lifting Fixture

Inside this manual

Real pages from this service manual (1,415 pages). Open the sample pages (PDF, 494 KB)

Sample pages from the Case Farmall 40, 45, 50 Tractor Service Manual: Diagram, Troubleshooting, Specifications, Color page

Diagram, page 941: SECTION 55 -- ELECTRICAL -- CHAPTER 2
Troubleshooting, page 1,214: SECTION 55 -- ELECTRICAL -- CHAPTER 6
Specifications, page 1,298: SECTION 55 -- ELECTRICAL -- CHAPTER 8
Color page, page 67: SECTION 00 - GENERAL INFORMATION - CHAPTER 1

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the 50 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.

This manual: Service Manual 87473193$149.57

Parts manuals

Parts Catalog S406177M1 · 174 pagesCovers 50$69.63Details

This is a service manual

Here's how it compares to the other manual types.

This manual

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, 1,415 pages

Quantity one is the manual described above.

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