John Deere 4WD Loaders models 344J SN from 22914 Repair Technical Manual TM11219 PDF

For complete service information also see:
344J (SN. 22914— ) 4WD Loader Diagnostic TM11218
Alternators and Starting Motors CTM77
PowerTech E 4.5 and 6.8L Diesel Engines Level 16 Electronic Fuel System With
Denso HPCR CTM502
Super Caddy Oil Cleanup Procedure CTM310
PowerTech 4.5L and 6.8L Diesel Engines Mechanical Fuel Systems CTM207
PowerTech 4.5L & 6.8L Diesel Engines Tier 1/Stage I, Tier 2/Stage II, Tier 3/Stage
IIIA, Tier 3/Stage IIA Tier 3/Stage III, (Base Engine) CTM104

Table of contents
FOREWORD
TECHNICAL INFORMATION FEEDBACK FORM
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
Add Cab Guarding For Special Uses
Inspect Machine
Stay Clear of Moving Parts
Avoid High-Pressure Oils
Avoid High-Pressure Fluids
Beware of Exhaust Fumes
Prevent Fires
Prevent Battery Explosions
Handle Chemical Products Safely
Dispose of Waste Properly
Prepare for Emergencies
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
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 SYSTEM
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
PowerTech E™ 4.5 L John Deere Engine
Serpentine Belt Remove and Install
Engine Remove and Install
Section 05 – ENGINE AUXILIARY SYSTEMS
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
Radiator/Oil Cooler/Charge Air Cooler Remove and Install
Group 0560 – External Fuel Supply Systems
Fuel Tank Remove and Install
Section 07 – DAMPENER DRIVE
Group 0700 – Removal and Installation
Remove and Install Dampener Drive
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 Binary 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
Hydraulic Fluid Cooler 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 Disconnect Hitch 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 or Fourth Function 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
DFT1254 Differential Bevel Gear Holding Tool
DFT1255 Differential Bevel Gear Pin Installation Tool