
John Deere 4WD 624K Wheel Loader Repair Service Manual
This manual contains high quality images, instructions to help you to troubleshoot, and repair your truck. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation.
This is repair only manual, Diagnostic Manual with electrical wiring diagrams are sold separate.
Pdf TM10691 John Deere 4WD 624K Wheel Loader (SN.-642634) w. Engines 6068HDW79, 6068HDW83 Repair Service Manual
- Manual Included:
- Repair Technical Manual: 450 Pages (TM10691)
- Specifications:
- Brand: John Deere
- Model: 624K 4WD with Engine 6068HDW79 Tier 3 or Engine 6068HDW83 Tier 2
- Serial Number: (before – 642634)
- Type: Loader
- Manuals: Repair Technical Manual
- Publication Numbers: TM10691
- Language: English
- Format: PDF

Other Manual: John Deere 4WD 624K Wheel Loader Operation and Test Manual
John Deere 4WD 624K Wheel Loader Repair Service Manual
| System / Section | Sub-System / Group | SEO Description – Repair Procedures & Specifications |
|---|---|---|
| 📖 Foreword | Foreword | How to use this Repair Technical Manual – manual conventions, symbols, safety alerts, and reference materials. |
| ⚠️ General Information | Safety Information | Critical safety procedures for repair work – lifting points, blocking methods, hydraulic pressure release, and lockout/tagout protocols. |
| Wheels | Powered Wheels and Fasteners | Wheel removal and installation, fastener torque specifications, lug nut tightening sequence, and wheel bearing adjustment. |
| Axles & Suspension | Removal and Installation | Complete axle assembly removal, suspension system disassembly, and reinstallation procedures with torque specs. |
| Axle Shafts and U-Joints | Axle shaft removal and inspection, universal joint replacement, yoke alignment, and driveline balancing. | |
| Axle Shaft, Bearings, Reduction Gears | Axle shaft bearing replacement, final drive reduction gear service, gear tooth inspection, and preload adjustment. | |
| Hydraulic System | Suspension hydraulic circuit repair, accumulator testing, height control valve service, and cylinder replacement. | |
| Transmission | Removal and Installation | Complete transmission removal, torque converter service, mounting alignment, and reinstallation procedures. |
| Gears, Shafts, Bearings and Power Shift Clutch | Transmission internal repair – gear inspection, shaft replacement, bearing service, and power shift clutch pack rebuild. | |
| Hydraulic System | Transmission hydraulic pressure testing, shift valve service, filter replacement, and clutch pressure verification. | |
| 🛢️ Engine | Removal and Installation | Complete engine removal, isolation mounts, alignment procedures, cooling system disconnection, and reinstallation with torque specifications. |
| Engine Auxiliary Systems | Cold Weather Starting Aids | Intake heater replacement, ether injection system service, glow plug testing, and cold start relay diagnostics. |
| Cooling System | Radiator removal and cleaning, water pump replacement, thermostat testing, fan clutch service, and coolant flush procedures. | |
| Intake System | Air filter housing service, intake manifold inspection, turbocharger (if equipped) removal, and boost pressure testing. | |
| External Exhaust System | Exhaust pipe removal, muffler replacement, flex joint service, heat shield installation, and mounting bracket repair. | |
| External Fuel Supply Systems | Fuel tank removal, lift pump replacement, fuel line repair, primary and secondary filter service, and leak testing. | |
| 🔧 Dampener Drive | Elements | Torsional dampener inspection, wear limit measurement, hub alignment, and replacement procedure with torque specs. |
| Steering System | Hydraulic System | Steering pump replacement, orbital valve service, steering cylinder repair, hydraulic line replacement, and pressure testing. |
| Service Brakes | Active Elements | Brake disc inspection, pad replacement, caliper service, wear measurement, and brake rotor resurfacing. |
| Hydraulic System | Brake pedal valve repair, accumulator service, brake line replacement, and hydraulic circuit pressure testing. | |
| Park Brake | Active Elements | Parking brake linkage inspection, cable adjustment, shoe or pad replacement, and drum/disc inspection. |
| Hydraulic System | Park brake release valve service, hydraulic holding pressure verification, and spring-applied brake release procedure. | |
| Frame or Supporting Structure | Frame Installation | Main frame alignment, mounting point inspection, bolt torque specifications, and frame straightening procedures. |
| Frame Bottom Guards | Belly pan removal, skid plate replacement, underbody protection installation, and hardware torque verification. | |
| Chassis Weights | Counterweight removal and installation, ballast mounting procedures, and weight bracket inspection. | |
| Operator’s Station | Removal and Installation | Cab or ROPS/FOPS structure removal, lifting point identification, isolation mount service, and reinstallation with torque specs. |
| Operator Enclosure | Door removal, window replacement, seal installation, wiper motor service, and interior trim repair. | |
| Seat and Seat Belt | Seat replacement, suspension adjustment, seat belt inspection, anchor repair, and operator presence switch service. | |
| Heating and Air Conditioning | HVAC component removal – evaporator, heater core, blower motor, compressor replacement, and refrigerant line service. | |
| Sheet Metal & Styling | Hood or Engine Enclosure | Hood alignment, latch repair, hinge replacement, gas strut service, and panel adjustment procedures. |
| Loader | Bucket | Bucket removal and installation, cutting edge replacement, wear plate repair, and bucket linkage inspection. |
| Frames | Loader boom and arm inspection, pivot pin replacement, bushing service, and welding guidelines for frame repair. | |
| Hydraulic System | Lift and tilt cylinder repair, control valve diagnostics, pilot pressure settings, hose replacement, and cylinder seal service. | |
| 🛠️ Dealer Fabricated Tools | Dealer Fabricated Tools | Blueprints, dimensions, material lists, and step-by-step instructions to build specialized service tools for this equipment. |