John Deere 2520 Series Compact Utility Tractor Repair, Test and Adjustments Technical Manual TM2288

John Deere 2520 Series Compact Utility Tractor Repair, Test and Adjustments Technical Manual (TM2288 30 MAY 11)

This technical manual provides complete repair instructions, diagnostic procedures, and adjustment data for John Deere 2520 Series Compact Utility Tractors. It covers safety standards, torque values, lubrication guidelines, and fluid specifications. Detailed servicing information is included for the diesel engine, electrical systems, hydrostatic transmission, hydraulic circuits, steering, and brakes. Each section integrates operational theory, troubleshooting charts, component locations, wiring schematics, and step-by-step test procedures to ensure professional-level maintenance and system reliability.

Model Covers:

John Deere 2520 Series Compact Utility Tractor

File Format: PDF

Size: 47.77 MB

No. of pages: 977

Language: English

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

📑 Included Sections:

Safety

• Handling fluids, battery explosion prevention, protective clothing, asbestos precautions
• Safe lifting, parking, supporting, and servicing procedures
• Fire prevention, chemical product handling, and proper waste disposal

Specifications and Information

• Bolt torque values (metric and unified inch)
• Diesel fuel and oil specifications, break-in lubricants, synthetic alternatives
• Serial number locations and product identification numbers

Engine

• Theory of operation: cooling and lubrication systems
• Diagnostics for low power, excessive fuel use, compression loss, and rough operation
• Tests and adjustments: compression, valve clearance, injection timing, cooling system checks
• Repairs for cylinder head, pistons, crankshaft, oil pump, fuel injection pump, and nozzles

Electrical System

• Wiring harness layouts, component locations, schematics
• Diagnostics and operation of cranking, charging, fuel, PTO, glow plug, and lighting circuits
• Tests for switches, sensors, relays, solenoids, and gauges

Power Train - Hydrostatic

• Component locations for hydrostatic pump, motor, charge pump, and PTO units
• Diagnostics for transmission, PTO, and transaxle issues
• Tests and adjustments: charge pump relief, PTO clutch pressure, brake testing, neutral adjustment
• Repairs for differential, final drive, PTO clutch shaft, and MFWD assemblies

Hydraulics

• Schematics for rockshaft, steering, and selective control valves
• Diagnostics for system malfunctions and leakage
• Tests for pump flow, relief valve pressure, rockshaft cycle, and leakage checks
• Repairs for hydraulic pumps, SCVs, control valves, and cylinders

Steering and Brakes

• Steering system operation and diagnostics
• Testing for steering cylinder performance and SCU servicing
• Brake pedal and linkage adjustments, disassembly, and repair procedures

Miscellaneous

• Seat and ROPS servicing, wheels, hitches, exhaust, battery, and operator station repairs

This John Deere Repair, Test and Adjustments Technical Manual provides calibrated testing procedures, diagnostic routines, and precise repair methods, ensuring long-term performance of the 2520 Series Compact Utility Tractor.