John Deere 344K iT4 4WD Loader Workshop Service Repair Manual TM12930 (SN B030077) PDF - TM12930 - John Deere 344K 4WD Loader iT4 Technical Manual - Repair.PDF
John Deere 4WD Loaders 344K iT4 Repair Service Manual (TM12930)
TM12930 - Technical Manual for the John Deere 344K 4WD Loader iT4 - Repair, in PDF format
Complete service repair manual for John Deere 4WD Loaders 344K (SN. from B030077) iT4 (PIN: 1LU344K***B030077-), with all the shop information to maintain, diagnostic, repair, refurbish/rebuild like professional mechanics.
John Deere 4WD Loaders 344K iT4 workshop service 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.
* 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.
PRODUCT DETAILS:
Total Pages: 497 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
Foreword
Manual Identification-READ THIS FIRST!
General Information
Safety Information
Torque Values
Wheels
Wheels and Fasteners
Axles and Suspension Systems
Removal and Installation
Axle Shafts and U-Joints
Axle Shaft, Bearings, and Rear Axle Reduction Gears
Transmission
Hydrostatic Components Removal and Installation
Hydrostatic Components Repair
Engine
Removal and Installation
Engine Auxiliary System
Cooling System
External Exhaust Systems
External Fuel Supply Systems
Damper Drive
Removal and Installation
Steering System
Hydraulic System
Service Brakes
Active Elements
Hydraulic System
Park Brake
Hydraulic System
Frame or Supporting Structure
Frame Installation
Chassis Weights
Operator`s Station
Removal and Installation
Operator Enclosure
Heating and Air Conditioning System
Sheet Metal and Styling
Hood or Engine Enclosure
Miscellaneous Shields
Main Hydraulic System
Hydraulic System
Loader
Bucket
Attachment Coupler
Frames
Hydraulic System
Dealer Fabricated Tools
tm12930 - 344K Compact 4WD Loader (PIN: 1LU344KX _ _B030077— )
Table of Contents
Foreword
Manual Identification—READ THIS FIRST!
Section 00: General Information
Group 0001: Safety Information
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
Exhaust Filter Ash Handling and Disposal
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
Avoid Worksite Hazards
Use Special Care When Operating Loader
Keep Riders Off Machine
Avoid Backover Accidents
Avoid Machine Tip Over
Operating on Slopes
Operating or Traveling On Public Roads
Inspect and Maintain ROPS
Add and Operate Attachments Safely
Park and Prepare for Service Safely
Service Tires Safely
Service Cooling System Safely
Remove Paint Before Welding or Heating
Make Welding Repairs Safely
Drive Metal Pins Safely
Clean Exhaust Filter 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
Metric 24° O-Ring Seal DIN 20078 Service Recommendations
Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings
Service Recommendations For O-Ring Boss Fittings With Shoulder
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
Section 01: Wheels
Group 0110: Wheels and Fasteners
Wheel Remove and Install
Tire Remove and Install
Section 02: Axles and Suspension Systems
Group 0200: Removal and Installation
Front Axle Remove and Install
Rear Axle Remove and Install
Power-Takeoff (PTO) Gear Case Remove and Install
Group 0225: Axle Shafts and U-Joints
Drive Shaft Remove and Install
Group 0250: Axle Shaft, Bearings, and Rear Axle Reduction Gears
Axle Shaft, Bearings, and Rear Axle Reduction Gears
Power-Takeoff (PTO) Gear Case Disassemble and Assemble
Section 03: Transmission
Group 0300: Hydrostatic Components Removal and Installation
Hydrostatic Pump Valves Remove and Install
Directional Control Valve Remove and Install
Charge Pump Remove and Install
Hydrostatic Pump Remove and Install
Hydrostatic Motor Remove and Install
Inching Valve Remove and Install
Hydrostatic Start-Up Procedure
Group 0360: Hydrostatic Components Repair
Directional Control Valve Disassemble and Assemble
Hydrostatic Pump Disassemble
Hydrostatic Pump Assemble
Hydrostatic Motor Control Valve O-Rings and Seals Remove and Install
Hydrostatic Motor Flushing Valve Assembly O-Rings and Servo Piston Seals Remove and Install
Hydrostatic Motor Disassemble
Hydrostatic Motor Rotating Group Inspect and Recondition
Hydrostatic Motor Assemble
Section 04: Engine
Group 0400: Removal and Installation
John Deere Engine
Serpentine Belt Remove and Install
Engine Remove and Install
Section 05: Engine Auxiliary System
Group 0510: Cooling System
Hydraulic Fan Pump Remove and Install
Hydraulic Fan Pump Disassemble and Assemble
Cooling Fan and Hydraulic Fan Motor Remove and Install
Hydraulic Fan Motor Disassemble and Assemble
Fuel Cooler Remove and Install
Cooling Package Remove and Install
Group 0530: External Exhaust Systems
Diesel Particulate Filter (DPF) Remove and Install
Exhaust Filter Remove and Install
Group 0560: External Fuel Supply Systems
Primary Fuel Filter and Water Separator Remove and Install
Fuel Tank Remove and Install
Section 07: Damper Drive
Group 0700: Removal and Installation
Damper Drive Remove and Install
Section 09: Steering System
Group 0960: Hydraulic System
Orbital Steering Valve Remove and Install
Orbital Steering Valve Disassemble and Inspect
Orbital Steering Valve Assemble
Steering Column Remove and Install
Steering Cylinder Remove and Install
Steering Cylinder Disassemble and Assemble
Secondary Steering Pump Remove and Install
Secondary Steering Pump Disassemble and Assemble
Section 10: Service Brakes
Group 1011: Active Elements
Drum Brake Remove and Install
Service Brakes (Wet Disk) Remove and Install
Group 1060: Hydraulic System
Brake/Inching Valve Assembly Remove and Install
Brake Valve Disassemble and Assemble
Drum Brake Bleed
Section 11: Park Brake
Group 1160: Hydraulic System
Park Brake Disassemble and Assemble
Park Brake/Differential Lock Valve Block Remove and Install
Section 17: Frame or Supporting Structure
Group 1740: Frame Installation
Welding On Machine
Loader and Rear Frames Separation
Rotational Torque Spring Remove and Install
Upper Pivot Bushing Assembly Remove and Install
Lower Pivot Bushing Assembly Remove and Install
Group 1749: Chassis Weights
Counterweights Remove and Install
Section 18: Operator's Station
Group 1800: Removal and Installation
Cab Remove and Install
Group 1810: Operator Enclosure
Windowpanes Remove and Install
Group 1830: Heating and Air Conditioning System
Refrigerant Cautions and Proper Handling
Flush and Purge Air Conditioner System
R134a Refrigerant Oil Information
R134a Refrigerant Recovery/Recycling and Charging Station Installation Procedure
Recover R134a Refrigerant
Evacuate R134a System
Charge R134a System
Air Conditioner Compressor Remove and Install
Receiver-Dryer Remove and Install
Condenser Remove and Install
Air Conditioner/Heater Module Remove and Install
Heater Core Remove and Install
Evaporator Coil Remove and Install
Expansion Valve Remove and Install
Heater Control Valve Remove and Install
Air Conditioner Hi/Low Pressure Switch Remove and Install
Air Conditioner Freeze Control Switch Remove and Install
Blower Motor Remove and Install
Section 19: Sheet Metal and Styling
Group 1910: Hood or Engine Enclosure
Hood Remove and Install
Group 1913: Miscellaneous Shields
Rear Fenders Remove and Install
Section 21: Main Hydraulic System
Group 2160: Hydraulic System
General Oil Cleanup Procedure
Hydraulic Component Failure Cleanup Procedure
Hydraulic System Pressure and Accumulators Discharge Procedure
Hydraulic Pump Remove and Install
Hydraulic Pump Disassemble and Assemble
Hydraulic Reservoir Remove and Install
Section 31: Loader
Group 3102: Bucket
Bolt-On Cutting Edge Remove and Install
Cracked Cutting Edge Repair
Group 3104: Attachment Coupler
Quick Coupler Remove and Install
Group 3140: Frames
Boom and Bucket Linkage Remove and Install
Bucket Linkage Bushings Remove and Install
Loader Boom Bushings Remove and Install
Group 3160: Hydraulic System
Loader Control Valve Remove and Install
Loader Control Valve Disassemble and Assemble
Inlet/Return Manifold Section Disassemble and Assemble
Bucket Valve Section Disassemble and Assemble
Boom Valve Section Disassemble and Assemble
Auxiliary Valve Section Disassemble and Assemble
Loader System Load Sense and Circuit Relief Valves Disassemble and Assemble
Ride Control Valve Remove and Install
Ride Control Valve Disassemble and Assemble
Boom Cylinder Remove and Install
Bucket Cylinder Remove and Install
Attachment Quick Disconnect Cylinder Remove and Install
Boom and Bucket Cylinders Disassemble and Assemble
Boom and Bucket Cylinder Bushings Remove and Install
Pilot Control Valve Remove and Install
Pilot Enable Solenoid Valve Remove and Install
Pilot Accumulator Remove and Install
Section 99: Dealer Fabricated Tools
Group 9900: Dealer Fabricated Tools
DFT1214 Hydrostatic Pump Servo Piston Snap Ring Removal and Installation Tool
DFT1246 Oil Filter Caddy Adapter
DFT1254 Differential Bevel Gear Holding Tool
DFT1255 Differential Bevel Gear Pin Installation Tool