Target Audience:
Owners, technicians, and mechanics working on the EX 135 in industrial and construction applications.
Advantage:
Robust construction and consistent performance for demanding environments.
Purpose:
Provides comprehensive information for maintenance and repair.
Coverage:
Includes general information, system operation, performance testing, and troubleshooting.
Engine and Related Systems:
Engine disassembly, inspection, and repair.
Fuel System:
Fuel injection, pumps, and filters.
Electrical System:
Wiring diagrams, starting and charging systems.
Hydraulic System:
Pumps, valves, cylinders, and hydraulic schematics.
Power Train:
Transmission, drive axles, and final drives.
Undercarriage:
Track adjustment, rollers, idlers, and sprockets.
Swing System:
Swing motor, swing bearing, and controls.
Cab and Controls:
Operator cab, control linkage, and instrumentation.
Air Conditioning and Heating:
If equipped: compressor, condenser, and heater core.
Attachments and Options:
Buckets, breakers, and quick couplers.
Disassembly and Assembly:
Step-by-step instructions for component removal and installation.
Inspection and Testing:
Procedures to check wear and performance.
Troubleshooting:
Diagnostic charts and fault finding guides.
Schematic Diagrams:
Electrical and hydraulic circuit diagrams.
Torque Specifications:
Standard and specific torque values for fasteners.
Maintenance Schedules:
Routine service checklists and intervals.
Special Tools:
List of required special tools and their part numbers.
Fluid and Lubricant Specifications:
Recommended oils and greases for various components.
Level of Detail:
Repair and overhaul procedures with tolerances, clearances, and capacities.
Intended User:
Suitable for experienced technicians, also helpful for owners with mechanical skills.
Part Numbers:
Referenced components and service parts with part numbers.
Exploded Views:
Diagrams to assist in part identification and ordering.
Compatibility:
Works on Windows, Mac, Linux, iOS, Android, and any PDF reader.
Requirements:
PDF reader software.
Searchability:
Searchable throughout the document.
Print Quality:
High resolution for clear diagrams and text.
Binding Type:
Digital (PDF)
Paper Type:
Not applicable - digital file
Engine Oil Change:
Every 500 hours (typical) - confirm in manual.
Hydraulic Oil Change:
Every 2000 hours (typical) - confirm in manual.
Grease Points:
Daily or as recommended.
Engine Oil:
API CH-4 or higher, viscosity per temp range.
Hydraulic Oil:
Viscosity ISO VG 46 typical.
Coolant:
Ethylene glycol mix with corrosion inhibitors.
Known Issues:
Track tension adjustment, hydraulic cylinder seal leaks.
Wear Items:
Bucket teeth, cutting edge, filters, belts, hoses.
Manufacturer:
Fiat Hitachi (joint venture between Fiat and Hitachi Construction Machinery).
Joint Venture Era:
Late 1980s to early 2000s
EX Series:
The EX 135 is part of the EX series of hydraulic excavators.
Variants:
Different configurations may exist; not detailed in manual.
Assembly:
Likely produced in Italy or Japan, but not specified.
