John Deere 843K Wheeled Feller Buncher Repair Technical Manual (TM11364)

John Deere 843K Wheeled Feller Buncher Repair Technical Manual (TM11364 09 APR 15)

This technical service manual provides complete repair procedures, torque specs, hydraulic diagnostics, and component-level disassembly for the John Deere 843K Wheeled Feller Buncher. With full coverage of powertrain, hydrostatic systems, operator cab, safety systems, and electronic solenoids, it is essential for field repair professionals.

Model Covers:

This manual provides support for:

John Deere 843K Wheeled Feller Buncher

File Format: PDF

Size: 16.93 MB

No. of pages: 472

Language: English

Delivery Method: Instant Download - Access your file immediately after purchase.

📑 Included Sections:

General Information

• Comprehensive safety procedures for operation, service, and emergency response
• Unified Inch and Metric torque charts for bolt types and hydraulic connectors
• Technical best practices for servicing O-ring boss, flat face, flare, and flange fittings

Wheels and Axle Systems

• Detailed removal and installation procedures for powered wheels, tires, and dual assemblies
• TeamMate™ IV 1400 series planetary HD axle service with cross-reference to CTM442
• Input shaft servicing: U-joint configurations, drive shaft torque procedures
• Differential lock solenoid and hydraulic system diagnostics

Transmission Systems

• Two-speed gear case disassembly and internal gearset service
• Hydrostatic transmission diagnostics, valve calibration, and fluid path verification
• Charge pump, displacement control, and pressure relief valve removal and testing
• Directional control valve and pedal adjustments with feedback diagnostics

Engine and Auxiliary Systems

• Installation and removal of POWERTECH™ 6.8 L diesel engine with Denso HPCR fuel system
• Cooling fan, radiator, oil cooler, and shroud service including accessory belt tensioning
• Exhaust pipe routing, muffler inspection, and emissions component replacement
• Air intake and strainer system maintenance with fuel pre-filter and inlet diagnostics

Dampener and Splitter Drives

• Dampener drive plate service, torque preload, and balancing procedures
• Splitter gearbox disassembly with bearing and gear mesh alignment protocols

Steering System

• Wheel steer and lever steer control valve servicing with joystick calibration
• Steering cylinder rebuild, seal replacement, and control rod inspection

Brake Systems

• Service brake valve removal, hydraulic bleeding, and active element diagnostics
• Park brake disassembly, spring pack inspection, and hydraulic pressure test

Frame and Structure

• Pivot pin clearance inspection and bearing removal/install of engine and equipment frame
• Bottom guard (front, center, rear) inspection and structural reinforcement

Operator’s Station

• Cab mounting, structural noise dampening, window sealing, and dome lighting
• Seat disassembly with exploded-view reference for models before and after serial 649699
• Full HVAC system: R134a refrigerant servicing, A/C compressor, condenser, evaporator, dryer

Main Hydraulic System

• Main and pilot control valves disassembly, spool bore measurements, and calibration
• Accumulator systems and pressure relief valve specifications
• Hydraulic fill and cleanup procedures, bypass valve installation and reversing fan logic
• Solenoid valve indexing: pilot enable, Hi-Lo, park brake, clamp pedal, and saw control

Boom Hydraulic System

• Boom lift and tilt cylinders: removal, disassembly, internal seal kit replacement
• Testing for creep, bypass leakage, and cylinder extension pressure validation

Dealer Fabricated Tools

• Custom lifting adapters, tilt brackets, bearing race drivers, and hydraulic bracket spacers

For complete service information, also see:

JDLink (MTG) Technical Manual .......... TM114519
843K Wheeled Feller Buncher Diagnostic .......... TM11362
Alternators and Starting Motors .......... CTM77
TMIV 1200–1400 Series Inboard Planetary Axles .......... CTM442
PowerTech 4.5 L & 6.8 L Diesel Engines — Level 11 Electronic Fuel System with Denso HPCR .......... CTM220
18000 Series HMD Transmission .......... CTM158
120 Series Hydraulic Cylinders .......... CTM120519
PowerTech 4.5 L & 6.8 L 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
JDLink / ZXLink Machine Monitoring System .......... CTM10006

This John Deere 843K Feller Buncher Repair Manual is a vital resource for forestry equipment mechanics and heavy machinery technicians needing professional repair guidance and robust technical specifications.