John Deere 325K Backhoe Loaders Repair Service Manual (TM12484)
tm12484 - 325K Backhoe Loader - Repair.pdf
Complete official Repair manual for John Deere 325K Backhoe Loaders, with all the shop information to maintain, diagnostic, repair, refurbish/rebuild like professional mechanics.
John Deere 325K Backhoe Loaders workshop Repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
...
Total Pages: 1,000 pages
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
Foreword
General Information
Safety Information
General Specifications
Torque Values
Fuels and Lubricants
Wheels
Powered or Non-Powered Wheels and Fastenings
Axles and Suspension Systems
Input Drive Shafts and U-Joints
Non-Powered Wheel Axles
Powered Wheel Axle (MFWD)
Axle Shaft, Bearings and Reduction Gears
Dealer Fabricated Tools
Transmission
Removal and Installation
Controls Linkage
Input Drive Shafts and U-Joint
Gears, Shafts, Bearings, and Powershift Clutches
Hydraulic System
Dealer Fabricated Tools
Engine
Removal and Installation
Dealer Fabricated Tools
Engine Auxiliary Systems
Cold Weather Starting Aid
Cooling Systems
Speed Controls
Intake System
Exhaust System
External Fuel Supply System
Torque Converter
Turbine, Gears and Shaft
Steering System
Hydraulic System
Service Brakes
Active Elements
Hydraulic System
Park Brake
Active Elements
Electrical Systems
Batteries, Support, and Cables
Alternator, Regulator and Charging System Wiring
Lighting System
Wiring Harness and Switches
System Controls
Instruments and Indicators
Motors and Actuators
Frames, Chassis or Supporting Structure
Frame Installation
Chassis Weights
Operator’s Station
Removal and Installation
Operator Enclosure
Seat and Seat Belt
Heating and Air Conditioning
Dealer Fabricated Tools
Sheet Metal and Styling
Hood and Engine Enclosure
Miscellaneous Shields
Grille and Grille Housing
Fenders
Safety, Convenience and Miscellaneous
Radio
Horn and Warning Devices
Main Hydraulic System
Hydraulic System
Loader
Loader
Bucket
Control Linkages
Hydraulic System
Backhoe
Bucket
Control Linkage
Frames
Hydraulic System
tm12484 - 325K Backhoe Loader
Table of Contents
Foreword
Manual Identification—READ THIS FIRST!
Section 00: General Information
Group 0001: Safety
Recognize Safety Information
Follow Safety Instructions
Operate Only If Qualified
Wear Protective Equipment
Avoid Unauthorized Machine Modifications
Inspect Machine
Stay Clear of Moving Parts
Avoid High-Pressure Fluids
Avoid High-Pressure Oils
Work In Ventilated Area
Prevent Fires
Prevent Battery Explosions
Handle Chemical Products Safely
Decommissioning — Proper Recycling and Disposal of Fluids and Components
Prepare for Emergencies
Clean Debris from Machine
Add Cab Guarding for Special Uses
Use Steps and Handholds Correctly
Start Only From Operator's Seat
Use and Maintain Seat Belt
Prevent Unintended Machine Movement
Prevent Unintended Machine Movement—If Equipped With Pilot Controls
Avoid Work Site Hazards
Keep Riders Off Machine
Avoid Backover Accidents
Avoid Machine Tipover
Inspect and Maintain ROPS
Add and Operate Attachments Safely
Operating or Traveling On Public Roads
Park and Prepare for Service Safely
Service Cooling System Safely
Remove Paint Before Welding or Heating
Make Welding Repairs Safely
Drive Metal Pins Safely
Service Tires Safely
Group 0003: Torque Values
Metric Bolt and Cap Screw Torque Values
Additional Metric Cap Screw Torque Values
Unified Inch Bolt and Cap Screw Torque Values
Service Recommendations for 37° Flare and 30° Cone Seat Connectors
Service Recommendations for O-Ring Boss Fittings
O-Ring Boss Fittings In Aluminum Housing Service Recommendations—Excavators
Service Recommendations for Flared Connections—Straight or Tapered Threads
Service Recommendations For Flat Face O-Ring Seal Fittings
O-Ring Face Seal Fittings With SAE Inch Hex Nut And Stud End For High Pressure Service Recommendations
O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For Standard Pressure Service Recommendations
O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For High Pressure Service Recommendations
Service Recommendations for Metric Series Four Bolt Flange Fitting
Service Recommendations For Inch Series Four Bolt Flange Fittings
Inch Series Four Bolt Flange Fitting For High Pressure Service Recommendations
Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings
Service Recommendations For O-Ring Boss Fittings With Shoulder
Metric 24° O-Ring Seal DIN 20078 Service Recommendations
Section 01: Wheels
Group 0110: Powered or Non-Powered Wheels and Fastenings
Rear Wheel Assembly Remove and Install
Front Wheel Assembly Remove and Install
Tire Remove and Install
Section 02: Axles and Suspension Systems
Group 0225: Input Drive Shafts and U-Joints
Universal Joint and Drive Shaft Remove and Install
Group 0240: Powered Wheel Axle (MFWD)
Mechanical Front Wheel Drive (MFWD) Axle Remove and Install
Mechanical Front Wheel Drive (MFWD) Axle Disassemble
Mechanical Front Wheel Drive (MFWD) Axle Assemble
Limited Slip Differential Disassemble and Assemble
Group 0250: Axle Shaft, Bearings, and Reduction Gears
Service Brakes Inspection
Rear Axle Remove and Install
Rear Axle Disassemble
Rear Axle Assemble
Park Brake Disassemble and Assemble
Gear Tooth Contact Pattern Check
Section 03: Transmission
Group 0300: Removal and Installation
Transmission Remove and Install
Group 0315: Controls Linkage
Transmission Control Lever (TCL) Remove and Install
Group 0350: Gear, Shafts, and Power Shift Clutches
Transmission Outer Components Removal
Transmission Case Disassemble—Torque Converter Side
Clutch Packs Remove
High Range Forward, Low Range Forward, and Reverse Clutch Packs Disassemble and Assemble
First Speed and Third Speed Clutch Disassemble and Assemble
Second Speed Clutch Disassemble and Assemble
Mechanical Front Wheel Drive (MFWD) Clutch Disassemble and Assemble
Pump Drive Shaft Install
Clutch Packs Install
Transmission Case Assemble—Torque Converter Side
Transmission Outer Components Install
Group 0360: Hydraulic System
Transmission Charge Pump Remove and Install
Transmission Charge Pump Disassemble and Assemble
Section 04: Engine
Group 0400: Removal and Installation
John Deere Engine Operation
Engine Remove
Engine Install
Section 05: Engine Auxiliary System
Group 0505: Cold Weather Starting Aids
Coolant Heater Remove and Install—If Equipped
Starting Aid Nozzle Remove and Install—If Equipped
Start Aid Solenoid Remove and Install—If Equipped
Group 0510: Cooling Systems
Fan Remove and Install
Serpentine Belt Remove and Install
Radiator Remove and Install
Cooling Package Remove and Install
Group 0515: Speed Controls
Engine Speed Control Pedal Remove and Install
Group 0520: Intake System
Air Cleaner Remove and Install
Charge Air Cooler Remove and Install
Group 0530: Exhaust Systems
Muffler Remove and Install
Group 0560: External Fuel Supply Systems
Fuel Tank Remove and Install
Section 06: Torque Converter
Group 0651: Turbine, Gears, and Shaft
Torque Converter Remove and Install
Section 09: Steering System
Group 0960: Hydraulic System
Tilt Steering Column Remove and Install
Tilt Steering Wheel and Column Disassemble and Assemble
Steering Valve Remove and Install—Tilt Steering
Steering Valve Disassemble and Assemble
Mechanical Front Wheel Drive (MFWD) Axle Steering Cylinder Remove and Install
Mechanical Front Wheel Drive (MFWD) Axle Steering Cylinder Disassemble and Assemble
Section 10: Service Brakes
Group 1011: Active Elements
Brake Disc and Pressure Plate Remove and Install
Group 1060: Hydraulic System
Brake System Bleeding Procedure
Power Boost Brake Valve Remove and Install
Brake Valve Disassemble and Assemble
Brake Pedal Adjustment
Section 11: Park Brake
Group 1111: Active Elements
Park Brake Remove and Install
Section 17: Frame or Supporting Structure
Group 1740: Frame Installation
Welding Repair of Major Structures
RIVNUT® (KREMNUT) Fasteners Remove and Install
Group 1749: Chassis Weights
Counterweight Remove and Install—If Equipped
Section 18: Operator's Station
Group 1800: Removal and Installation
Operator's Station Remove and Install
Group 1810: Operator Enclosure
Front Window Wiper and Wiper Motor Remove and Install
Rear Window Wiper and Wiper Motor Remove and Install
Rear Window and Frame Assembly Remove and Install
Front Console Remove and Install (S.N. —000470)
Fixed Window Remove and Install
Non-Fixed Window Remove and Install
Non-Fixed Window Adjustment
Non-Fixed Window Latch Adjustment
Cab Door Hinges and Latch Adjustment
Headliner Remove and Install (S.N. —000470)
Cab Roof Remove and Install
Group 1821: Seat and Seat Belt
Seat Assembly Remove and Install
Mechanical Suspension Seat Disassemble and Assemble
Seat Belt Disassemble and Assemble
Group 1830: Heating and Air Conditioning
R134a Refrigerant Cautions and Proper Handling
R134a Compressor Oil Removal
R134a Component Oil Charge
Refrigerant Leakage Testing
Refrigerant Hoses and Tubing Inspection
R134a Refrigerant Recover, Recycle, and Charge Station Installation Procedure
Recover R134a System
Evacuate R134a System
Charge R134a System
Air Conditioning System Cleaning Procedures
Flush and Purge Air Conditioning System
Blower Mode Door Motor Remove and Install
Evaporator or Heater Core Remove and Install
Expansion Valve Remove and Install
Air Conditioner Freeze Control Switch Remove and Install
Receiver-Dryer Remove and Install
Condenser Remove and Install
Compressor Remove and Install
Section 19: Sheet Metal and Styling
Group 1910: Hood or Engine Enclosure
Hood and Engine Enclosure Disassemble and Assemble
Group 1913: Miscellaneous Shields
Battery Box Remove and Install
Group 1921: Grille and Grille Housing
Grille Remove and Install
Grille Housing Remove and Install
Section 20: Safety and Convenience
Group 2004: Horn and Warning Devices
Horn Remove and Install
Backup Alarm Remove and Install
Backup Alarm Volume Adjustment
Section 21: Main Hydraulic System
Group 2160: Hydraulic System
General Oil Cleanup Procedure
Apply Vacuum to Hydraulic Oil Reservoir
Hydraulic Pump Remove and Install
Hydraulic Pump Disassemble and Assemble
Hydraulic Reservoir Remove and Install
Hydraulic and Transmission Oil Coolers Remove and Install
Hydraulic Filter Assembly Remove and Install
Section 31: Loader
Group 3100: Loader
Loader Boom Remove and Install
Group 3102: Bucket
Loader Bucket Remove and Install
Welded Bucket Cutting Edges Replacement Procedure
Group 3115: Control Linkage
Loader Control Valve Linkage Remove and Install—Two Function
Manual Third Function Loader Control Valve Linkage Remove and Install
Stabilizer Linkage Remove and Install (S.N. —000470)
Loader Bucket Cylinder Linkage Remove and Install
Loader Self-Leveling Linkage and Return-to-Dig Switch Adjustment
Group 3160: Hydraulic System
Loader and Stabilizer Control Valve Remove and Install
Loader and Stabilizer Control Valve Spool Disassemble and Assemble
Loader and Stabilizer Control Valve Relief Valves Remove and Install
Loader Boom Anticavitation Valve Disassemble and Assemble
Loader Boom Raise and Bucket Curl Circuit Relief Valve Disassemble and Assemble
Loader Bucket Dump Circuit Relief Valve With Anticavitation Disassemble and Assemble
Loader Auxiliary Circuit Relief Valve Disassemble and Assemble
Loader Auxiliary Shutoff Plug Disassemble and Assemble
Loader Boom Cylinder Remove and Install
Loader Boom Cylinder Disassemble and Assemble
Loader Bucket Cylinder Remove and Install
Loader Bucket Cylinder Disassemble and Assemble
Loader Multi-Purpose Bucket Cylinder Disassemble and Assemble
Ride Control Valve Remove and Install
Ride Control Valve Disassemble and Assemble
Ride Control Valve Solenoid Disassemble and Assemble
Ride Control Accumulator Remove and Install
Section 33: Backhoe
Group 3302: Bucket
Backhoe Bucket and Bucket Links Remove and Install
Backhoe Bucket Tooth Tips Remove and Install
Bucket Tooth Shank Remove and Install
Backhoe Bucket Cutting Edge Remove and Install
Group 3315: Control Linkage
Backhoe Control Valve Linkage Remove and Install—Two Lever
Backhoe Control Valve Linkage Disassemble and Assemble—Two Lever
Backhoe Auxiliary Pedal Remove and Install—Fifth and Sixth Functions
Backhoe Auxiliary Pedal Disassemble and Assemble—Fifth and Sixth Functions
Group 3340: Frames
Dipperstick Remove and Install
Backhoe Boom Remove and Install
Swing Frame Remove and Install
Dipperstick Extension Remove and Install
Sideshift Frame Remove and Install
Group 3360: Hydraulic System
Backhoe Control Valve Remove and Install
Backhoe Control Valve Disassemble and Assemble
Backhoe Control Valve Spool Seals Remove and Install
Backhoe Control Valve Relief Valves Remove and Install
Backhoe Inlet Section Disassemble and Assemble
Backhoe Boom Section Disassemble and Assemble
Backhoe Bucket Section Disassemble and Assemble
Backhoe Crowd Section Disassemble and Assemble
Backhoe Swing Section Disassemble and Assemble
Backhoe Auxiliary Section Disassemble and Assemble—If Equipped
Backhoe Auxiliary Selective Flow Control Section Disassemble and Assemble—If Equipped
Backhoe Boom Cylinder Remove and Install
Backhoe Boom Cylinder Disassemble and Assemble
Backhoe Bucket Cylinder Remove and Install
Backhoe Bucket Cylinder Disassemble and Assemble
Backhoe Crowd Cylinder Remove and Install
Backhoe Crowd Cylinder Disassemble and Assemble
Backhoe Stabilizer Cylinder Remove and Install
Backhoe Stabilizer Cylinder Disassemble and Assemble
Backhoe Swing Cylinder Remove and Install
Backhoe Swing Cylinder Disassemble and Assemble
Backhoe Extendable Dipperstick Cylinder Remove and Install
Backhoe Extendable Dipperstick Cylinder Disassemble and Assemble
Backhoe Boom Lock Cylinder Remove and Install
Backhoe Sideshift Lock Valve Remove and Install
Backhoe Sideshift Lock Valve Disassemble and Assemble
Backhoe Sideshift Lock Piston and Bushing Remove and Install
Section 99: Dealer Fabricated Tools
Group 9900: Dealer Fabricated Tools
DFRW20 Compressor Holding Fixture
DFT1101 Cab and ROPS Lift Bracket
DFT1285 Engine Support Bracket
DFT1286 Backlash Measurement Tool
DFT1163 MFWD Snap Ring Removal and Installation Tool