1955-1980 Mercedes Benz Unimog Type 404 Service and Repair Manual
Unimog Type 404 technical guide detailing operations, service, and repair. Document C4085-91017 provides information for models 404.010-404.117, 1955-1980.
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Mercedes Models Covered & Key Technical Specifications
Authoritative Quality Manual: Off-Road Vehicle Unimog Service & Repair Masterplan: Mercedes 404.010, 404.011, 404.112, 404.113, 404.114, 404.115, 404.117 (1955-1980) Transmission-Guide Mercedes Benz Unimog (C4085-91017) -- 1955-1980 Manufacturer Index, Reference Kit.
- Approved Threaded Fastener Data: 290 Nm establishes the maximum wheel closing plug torque specification.
- Baseline Fluid Levels: For optimal operation, 120 L provides the standard fuel tank capacity.
- Primary Deviation Limits: The chassis allows for 400 mm ground clearance under axle for off-road capabilities.
- General Operating Temps: The cooling system requires 16.5 L capacity for efficient operation in summer.
- Certified Angular Speed: For optimal engine performance, 800-850 rpm defines the idle speed range.
- Reference Rotational Force: The clutch pedal travel requires 30-35 mm for proper engagement and disengagement.
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Authoritative Quality Manual: Off-Road Vehicle Unimog Service & Repair Masterplan: Mercedes 404.010, 404.011, 404.112, 404.113, 404.114, 404.115, 404.117 (1955-1980) Transmission-Guide
Model-Designation: Mercedes Benz Unimog 404 (C4085-91017) / Equipment-Series: 1955-1980 / Model-Designation: Technical Documentation.
| Service-Nexus | Technical-Path | Context |
|---|---|---|
| Model Designation | Chassis & Engine Numbers | Identification & Application |
| General Information | Explanation of Contents | Document Structure & Scope |
| Operating Instructions | Instruments and Controls | Operator Interface & Functions |
| Maintenance Instructions | Engine Group | Core Component Service Procedures |
| Technical Data | Weights and Trailer Loads | Vehicle Load & Dimension Specs |
The documentation is partitioned into sections covering general information, operating instructions, maintenance, and technical data. This manual provides a thorough overview of the Mercedes Benz Unimog Type 404, covering its operational aspects, maintenance schedules, and repair procedures.
Fuel system procedures are documented for the efficient operation and maintenance of the fuel delivery system, including filters and pumps.
Adjustment procedures are detailed for various components, ensuring proper performance and alignment.
Timing procedures are documented for critical engine components to maintain optimal combustion and efficiency.
Technical notes are provided for specific systems, offering in-depth insights and advanced operational guidance.
Quality checks are addressed for key systems, ensuring adherence to manufacturer standards and reliability.
This manual documents torque specifications for critical fasteners to ensure proper clamp load consistency and mechanical integrity.
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