This comprehensive John Deere 4930 Self-Propelled Sprayer Service Repair Technical Manual (TM1386) provides detailed instructions and illustrations to help you troubleshoot and repair your sprayer. The manual covers a wide range of topics, including:

**General Information:** This section covers safety procedures, general information about the sprayer, fuel and lubricant specifications.

**Engine:** Detailed information on engine component removal and installation, servicing, and repair.

**Fuel, Air Intake, and Cooling Systems:** This section covers the fuel and air systems, engine cooling system, coolers, and air conditioning condenser.

**Electrical:** Learn about batteries, connector repair, charging and starting circuits, fuses and relays, spray rate control system, chassis control system, engine control system, lighting, cab components, wiring harness routing, Boom Trac Pro system, Load Command Control System.

**Power Train Repair:** This section covers the hydrostatic drive, planetary hub repair, and instructions on how to remove and install hydrostatic components.

**Steering and Brakes:** Covers steering column, steering valve, steering cylinder, brakes, and the AutoTrac steering system.

**Suspension and Tread Adjust Repair:** Covers suspension, tread adjust valves, tread adjust cylinders, and tread adjust shim pads.

**Hydraulic System:** This comprehensive section covers the hydraulic pump, hydraulic valves, boom hydraulic cylinders, hydraulic reservoir, and accumulator.

**Solution Spray System:** Learn about nozzle repair, solution tank, solution pump (standard and high flow), solution control valves, rinse tank, eductor, and the Load Command System.

**Foam Marker System:** This section covers the foam marker system repair and the on-board air system.

**Dry Box Conversion:** Covers both dry and liquid system conversion.

**Operator Station:** Covers component removal and installation, air conditioning system, heating system, air suspension seat and armrest, cab door and windshield.

**Boom Repair:** Covers boom repair and full boom breakaway.

**Dealer Fabricated Tools:** This section provides information on dealer fabricated tools.

This manual is designed to be user-friendly, with searchable text, bookmarks, and crosslinks for easy navigation. It provides all the information you need to keep your John Deere 4930 Self-Propelled Sprayer running smoothly.