John Deere 350D LC Hydraulic Excavator Technical & Specification Guide
⚡ Instant Workshop Specs: John Deere 350D LC Hydraulic Excavator Technical & Specification Guide
PowerTech Plus 6090H 9.0L (542 CID) 6-Cyl Turbo
Net Peak Power: 271 hp (202 kW) @ 1,900 rpm
Main Relief Pressure: 34.3 MPa (4,975 psi)
Hydraulic Tank: 220 L / Engine Sump: 34 L
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Technical Manual Overview: John Deere 350D LC Hydraulic Excavator Technical & Specification Guide
This authoritative technical documentation provides complete OEM overhaul procedures, factory tolerance standards, torque sequences, and hydraulic schematics for commercial mechanics, fleet technicians, and plant operators. All specifications are transcribed directly from factory service engineering manuals.
Factory Technical Clearances & Torque Specifications
Always lubricate fastener threads with clean engine oil prior to torquing unless dry assembly is specified. Tighten all fasteners in alternating spiral sequences starting from center bolts outward.
| Component / Fastener Location | Torque Tolerance Specification |
|---|---|
| Track Shoe Bolts (Final Torque Angle) | 590 N·m + 120° (435 lb-ft + 120°) |
| Swing Bearing Outer Race Bolts | 970 to 1,120 N·m (715 to 825 lb-ft) |
| Boom Foot Pin Retainer Bolts | 390 to 450 N·m (288 to 332 lb-ft) |
| Main Hydraulic Relief Valve Setting | 34.3 MPa (4,975 psi) / Power Boost: 36.3 MPa (5,265 psi) |
| Pilot System Relief Pressure | 3.9 MPa (565 psi) |
| Engine Oil Sump Drain Plug | 70 to 80 N·m (52 to 59 lb-ft) |
Complete Service Chapter Table of Contents
- Section 1: Operator Cab Controls, Monitor Displays & Diagnostic Error Codes
- Section 2: PowerTech Plus 6090H Engine Architecture, Variable VGT Turbo & Tier 3 Emissions
- Section 3: Open-Center Hydraulic System, Variable Axial-Piston Pumps & Control Valves
- Section 4: Undercarriage Track Sag, Idler Rollers, Recoil Springs & Sprocket Wear Limits
- Section 5: Swing Reduction Gearbox, Parking Brake & Planetary Drive Tolerances
- Section 6: Periodic Maintenance Chart, Oil Capacities (Sump, Tank, Final Drives) & Grease Points
Interactive Diagnostic Tools for Shop Technicians
Working on teardowns, bolt conversions, or fuel burn calculations? Access our online mechanical tool suite:
Frequently Asked Technical Questions (FAQ)
Q: What is the tightening sequence for critical fasteners?
A: Always torque in 2 to 3 progressive stages in a spiral pattern outward from the center fastener to prevent casting distortion and guarantee even clamping load.
Q: Is registration or payment required for this manual?
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