John Deere 844K Loader Repair Technical Manual (TM10701)

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John Deere 844K Loader Index:

Contents
- General Information
  - 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
    - Work In Ventilated Area
    - Prevent Fires
    - Clean Debris from Machine
    - 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 Work Site 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 Cooling System Safely
    - Service Tires Safely
    - Remove Paint Before Welding or Heating
    - Make Welding Repairs Safely
    - Drive Metal Pins Safely
- Wheels
  - Powered Wheels and Fasteners
    - Wheel Remove and Install
    - Tire Remove and Install
- Axles and Suspension Systems
  - Removal and Installation
    - Front Axle Remove and Install
    - Rear Axle Remove and Install
    - Axle Oscillating Supports Disassemble and Assemble
    - Oscillating Support Wear Bushing Remove and Install
  - Axle Shafts and U-Joints
    - Universal Joint and Drive Shaft Remove and Install
  - Axle Shaft, Bearings, And Reduction Gears
    - Axle Planetary Gear Case Disassemble and Assemble
    - Differential Disassemble and Assemble
  - Hydraulic System
    - Axle Circulation Pump Remove and Install
- Transmission
  - Removal and Installation
    - Transmission Remove and Install
  - Gears, Shafts, Bearings and Power Shift Clutch
    - Torque Converter Input Shaft Remove and Install
    - Torque Converter Housing Disassemble and Assemble
    - Transmission Input Shaft Remove and Install
    - Transmission Input Shaft Disassemble and Assemble
    - Transmission Drive Two Disassemble and Assemble
    - Transmission Drive Three Disassemble and Assemble
    - Secondary Steering Drive Disassemble and Assemble—If Equipped
    - Output Shaft Drive Disassemble and Assemble
    - Clutch Packs Remove and Install
    - Low Range Forward Clutch (KV) and First Speed Clutch (K1) Disass
    - High Range Forward Clutch (K4) and Third Speed Clutch (K3) Disas
    - Reverse Clutch (KR) and Second Speed Clutch (K2) Disassemble and
    - Low Range Forward Clutch (KV) and First Speed Clutch (K1) Bearin
    - High Range Forward Clutch (K4) and Third Speed Clutch (K3) Beari
    - Reverse Clutch (KR) and Second Speed Clutch (K2) Bearing Preload
    - Transmission Speed Sensors Remove and Install
  - Hydraulic System
    - Transmission Pump Remove and Install
    - Transmission Pump Disassemble and Assemble
    - Transmission Hydraulic Control Valve Remove and Install
    - Transmission Hydraulic Control Valve Disassemble and Assemble
    - Transmission Suction Screen Remove and Install
- Engine
  - Removal and Installation
    - PowerTech Plus™ 13.5L (6135) John Deere Engine—13.5L Tier 3/Stag
    - PowerTech Plus™ 13.5 L (6135) John Deere Engine—13.5L Stage II
    - Engine Remove and Install
    - Engine Crankshaft Dampener Remove and Install
    - Serpentine Belt Remove and Install
- Engine Auxiliary Systems
  - Cold Weather Starting Aids
    - Start Aid Nozzle Remove and Install—If Equipped
    - Start Aid Solenoid Remove and Install—If Equipped
    - Engine Coolant Heater Remove and Install—If Equipped
  - Cooling System
    - Intercooler Remove and Install
    - Radiator Remove and Install
    - Hydraulic Oil Cooler Remove and Install
    - Transmission Oil Cooler Remove and Install
    - Axle Oil Cooler Remove and Install
    - Cooling Package Plenum Remove and Install
  - Intake System
    - Air Cleaner Remove and Install
    - Precleaner Remove and Install
  - External Exhaust System
    - Muffler Remove and Install
  - External Fuel Supply Systems
    - Fuel Tank Remove and Install
    - Fuel Filter (Water Separator) Remove and Install
    - Auxiliary Fuel Filter Remove and Install—If Equipped
    - Fast Fill Fuel System Disassemble and Assemble—If Equipped
- Dampener Drive
  - Elements
    - Output Dampener Remove and Install
- Steering System
  - Hydraulic System
    - NeverGrease™ Pin Joints
    - Orbital Steering Valve Remove and Install
    - Steering Column Remove and Install
    - Steering Column Disassemble and Assemble
    - Steering Cylinders Remove and Install
    - Steering Cylinder and Frame Bushings Remove and Install
    - Secondary Steering Pump Remove and Install—If Equipped
    - Secondary Steering Valve Remove and Install—If Equipped
    - Joystick Steering Valve Remove and Install
    - Joystick Steering Valve Disassemble and Assemble
    - Loader Start-Up Procedure (Steering Cylinder)
- Service Brakes
  - Active Elements
    - Service Brake Assembly Remove and Install
    - Service Brake Pedal and Linkage Disassemble and Assemble
  - Hydraulic System
    - Service Brake Valve Remove and Install
    - Service Brake Accumulator Remove and Install
- Park Brake
  - Active Elements
    - Park Brake Remove and Install
    - Park Brake Disassemble and Assemble
  - Hydraulic System
    - Park Brake Release Solenoid Valve Remove and Install
- Frame or Supporting Structure
  - Frame Installation
    - Welding Major Structure
    - Separate Engine and Loader Frame
    - Upper Pivot Bearing and Seals Remove and Install
    - Lower Pivot Bearing and Seals Remove and Install
  - Frame Bottom Guards
    - Fuel Tank Guard Remove and Install
    - Front Axle Guard Remove and Install
    - Transmission Bottom Guard Remove and Install
  - Chassis Weights
    - Counterweights Remove and Install
- Operator’s Station
  - Removal and Installation
    - Cab Remove and Install
  - Operator Enclosure
    - Windowpanes Remove and Install
    - Cab Door Hold-Open Release Adjust
    - Cab Door Hold-Open Latch Pin Adjust
    - Front and Rear Windshield Wiper Motor Remove and Install
  - Seat and Seat Belt
    - Seat Remove and Install
    - Seat Belt Remove and Install
    - Joystick Steering Armrest and Wiring Harness Remove and Install
    - Joystick Steering Controller Assembly Remove and Install
    - Steering Joystick Disassemble and Assemble
    - Joystick Steering Armrest Disassemble and Assemble
    - Joystick Steering Armrest Tilt Pivot Disassemble and Assemble
    - Joystick Steering Armrest Rear Pivot Adjustment
  - Heating and Air Conditioning
    - Proper Refrigerant Handling
    - R134a Refrigerant Cautions
    - R134a Compressor Oil Charge Check
    - R134a Compressor Oil Removal
    - R134a Component Oil Charge
    - Refrigerant Leak Testing
    - Refrigerant Hoses and Tubing Inspection
    - R134a Refrigerant Recovery/Recycling and Charging Station Instal
    - R134a System Recover
    - R134a System Evacuate
    - R134a System Charge
    - Air Conditioner System Cleaning Procedures
    - Air Conditioner System Purge
    - Air Conditioner System Flush
    - Air Conditioning Module With Heater/Evaporator Coil
    - Heater/Evaporator Coil Remove and Install
    - Expansion Valve Remove and Install
    - Freeze Control Switch Remove and Install
    - Freeze Control Switch Bench Test
    - Heater Control Valve Remove and Install
    - Heater Control Valve Leak Check
    - Blower Motor Assembly Remove and Install
    - Receiver-Dryer Remove and Install
    - Condenser Remove and Install
    - Air Conditioning High-Low Pressure Switch Remove and Install
    - Fresh Air Filter Remove and Install
    - Recirculating Air Filter Remove and Install
    - Compressor Remove and Install
    - Compressor Clutch—R134a Disassemble and Assemble
    - Clutch Hub Clearance—R134a Check
- Sheet Metal and Styling
  - Hood or Engine Enclosure
    - Hood Remove and Install
    - Engine Side Shields Remove and Install
  - Grille and Grille Housing
    - Grille and Grille Housing Remove and Install
- Loader
  - Bucket
    - Bucket Remove and Install
    - Welded Bucket Cutting Edges Remove and Install
    - Bolt On Bucket Cutting Edge and Bucket Guard Remove and Install
    - Cracked Cutting Edge Repair
    - Bucket Teeth with Segmented Cutting Edge Remove and Install
    - Bucket Wear Plate Remove and Install
    - Bucket Spill Guard Remove and Install
    - Rock Bucket Disassemble and Assemble
    - Rock Kicker Remove and Install
  - Frames
    - NeverGrease™ Pin Joints
    - Loader Bucket Tilt Linkage Remove and Install
    - Bucket Linkage Seals and Bushings Remove and Install
    - Loader Boom Bushings and Seals Remove and Install
    - Boom Remove and Install
  - Hydraulic System
    - General Oil Cleanup Procedure
    - Hydraulic Component Failure Cleanup Procedure
    - Follow-Up Oil Cleanup Procedure
    - Loader Hydraulic Pump Remove and Install
    - Main Hydraulic Pump Disassemble and Assemble
    - Steering/Loader Hydraulic Pump Remove and Install
    - Loader Control Valve Remove and Install
    - Loader Control Valve Disassemble and Assemble
    - Boom Section Disassemble and Assemble
    - Bucket Section Disassemble and Assemble
    - Auxiliary Section Disassemble and Assemble—If Equipped
    - Main Relief Valve Disassemble and Assemble
    - Circuit Relief With Anticavitation Valve Disassemble and Assembl
    - Load Sense Relief Valve Disassemble and Assemble
    - Anticavitation Valve Disassemble and Assemble
    - Auxiliary, Bucket, and Boom Section Pilot Orifice Check Valve
    - Boom Cylinder Remove and Install
    - Bucket Cylinder Remove and Install
    - Boom and Bucket Cylinder Disassemble and Assemble
    - Boom or Bucket Cylinder Bushings and Seals Remove and Install
    - Loader Start-Up Procedure
    - Hydraulic Reservoir Remove and Install
    - Pilot Control Valve Remove and Install
    - Pilot Control Valve Disassemble and Assemble
    - Auxiliary Function Pilot Control Valve Remove and Install—If Equ
    - Auxiliary Function Pilot Control Valve Disassemble and Assemble—
    - Pilot Accumulator Remove and Install
    - Hydraulic Pump Manifold Remove and Install
    - Hydraulic Pump Manifold Disassemble and Assemble
    - Ride Control Valve Remove and Install
    - Ride Control Valve Disassemble and Assemble
    - Pin Disconnect Valve Remove and Install—If Equipped
    - Pin Disconnect Valve Disassemble and Assemble—If Equipped
    - Hydraulic Fan Motor Remove and Install
    - Hydraulic Fan Pump Remove and Install
    - Reversing Fan Valve Remove and Install
    - Reversing Fan Valve Disassemble and Assemble
- Dealer Fabricated Tools
  - Dealer Fabricated Tools