John Deere 50G Excavator Repair Technical Manual (TM12888)

John Deere 50G Excavator Repair Technical Manual (TM12888 14FEB19)

This official repair manual provides comprehensive service, troubleshooting, and maintenance procedures for the John Deere 50G Excavator. It includes hydraulic system repairs, engine overhauls, undercarriage servicing, and electrical system diagnostics to ensure reliable machine performance.

Model Covers:

50G Excavator (PIN: 1FF050GX__H280001- )

File Format: PDF

Size: 15.05 MB

No. of pages: 420

Language: English

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

📑 Table of Contents Overview:

General Information

• Safety guidelines and best practices
• Torque values for bolts, hydraulic fittings, and fasteners
• Welding repair procedures for major structures

Track System and Undercarriage

• Track roller removal, installation, and repair
• Front idler servicing and sprocket replacement
• Track adjuster and recoil spring disassembly and reassembly

Propel and Swing Systems

• Travel gear case removal, disassembly, and servicing
• Hydraulic motor repair and park brake maintenance
• Swing gearbox and bearing replacement

Engine and Cooling System

• Engine removal, installation, and overhaul
• Fuel injection pump, cylinder head, and crankshaft servicing
• Radiator, oil cooler, and exhaust filter maintenance

Hydraulic System

• Hydraulic pump removal, assembly, and start-up procedures
• Control valve, solenoid valve, and pilot controller diagnostics
• Hydraulic cylinder removal, installation, and bleeding procedures

Excavator Boom, Arm, and Attachments

• Boom, arm, and bucket linkage servicing
• Bushing and pin inspection and replacement
• Quick coupler and attachment servicing

Operator’s Station

• Cab and canopy removal and installation
• Seat, control console, and windshield repair
• Heating and blower motor servicing

Dealer Fabricated Tools

• ST4920 Track Recoil Spring Disassembly and Assembly Tool
• DFT1087 Track Recoil Spring Guard Tool

This John Deere 50G Excavator Repair Technical Manual is an essential resource for technicians, mechanics, and excavator owners, providing detailed repair instructions, diagnostics, and maintenance procedures for peak machine performance.