John Deere 135G Excavator Diagnostic Operation and Test Manual (TM12666)

John Deere 135G Excavator Diagnostic Operation and Test Manual (TM12666 21OCT15)

This official technical manual provides in-depth diagnostics, operational testing, and troubleshooting procedures for the John Deere 135G Excavator. It includes comprehensive guidance on hydraulic, electrical, and engine systems, covering diagnostic trouble codes (DTCs), system performance checks, and testing protocols to ensure peak excavator efficiency.

(iT4) models 135G (PIN: 1FF135GX__E400001)

File Format: PDF

Size: 75.43 MB

No. of pages: 1035

Language: English

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

📑 Table of Contents Overview:

General Information & Safety

• Recognizing safety information
• Machine inspection and maintenance
• Handling high-pressure fluids and oils
• Fire prevention and battery explosion hazards
• Exhaust filter ash handling and disposal
• Using and maintaining seat belts
• Proper machine decommissioning and recycling

Diagnostic Trouble Codes (DTCs) & Controller Area Network (CAN) Diagnostics

• Main Controller (MCZ) diagnostic trouble codes
• ECU fault codes for fuel, exhaust, and hydraulic system errors
• CAN 0 and CAN 1 circuit continuity and resistance checks
• Service ADVISOR™ diagnostic troubleshooting

Operational Checkout Procedures

• Engine OFF, Key OFF system tests
• Engine ON, Key ON performance tests
• Blade function, travel mode, and swing speed verification
• Hydraulic system drift testing

Engine System

• Engine speed control operation and diagnostics
• Fuel injection system performance tests
• Cooling system pressure checks and troubleshooting
• Boost pressure and exhaust gas temperature analysis

Electrical System

• Wiring schematics and fuse panel diagnostics
• Battery, alternator, and starter motor troubleshooting
• Monitor controller and ECU circuit analysis
• CAN bus signal verification

Power Train

• Track adjuster and undercarriage wear assessment
• Propel motor and travel gear case diagnostics
• Swing motor function checks

Hydraulic System

• Hydraulic pump flow and pressure regulation
• Control valve function tests and adjustments
• Travel and swing motor speed calibration

Heating & Air Conditioning System

• Cab air circulation and blower motor diagnostics
• Air conditioning compressor and refrigerant testing
• Cab heating and defrost system analysis

For complete service information, also see:

135G Excavator Repair .......... TM12669
JDLink (MTG) Technical Manual .......... TM114519
Super Caddy Oil Cleanup Procedure .......... CTM310
JDLink/ZXLink Machine Monitoring System .......... CTM10006

This John Deere 135G Excavator Diagnostic Operation and Test Manual is an essential resource for technicians, mechanics, and equipment operators, providing comprehensive diagnostics, troubleshooting, and system testing procedures for maintaining peak excavator performance.