1987 Isuzu UM4BB1 / UM4BD1 / UM4BD1-II / UM4BDIT / UM4BDIT-II / UM4BD1TC Marine Diesel Engine Workshop Manual
1987 Isuzu Marine Diesel Engine UM4B Series Workshop Manual: diagnostics, service, and parts for UM4BB1, UM4BD1, UM4BD1-II, UM4BDIT, UM4BDIT-II, UM4BD1TC. Publication IM-WE-4BD1-001.
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Sample pages from the 1987 Isuzu UM4BB1 / UM4BD1 / UM4BD1-II / UM4BDIT / UM4BDIT-II / UM4BD1TC Marine Diesel Engine Workshop Manual manual
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Isuzu Models Covered & Key Technical Specifications
Inboard Engine (Sterndrive) UM4BB1 / UM4BD1 / UM4BD1-II / UM4BDIT / UM4BDIT-II / UM4BD1TC (IM-WE-4BD1-001) -- 1987 Engineering Registry & Primer Volume.
- System Fluid Levels: The cooling system requires 9.2L capacity for optimal operation Framework.
- Maximum Adjustment Range: 0.4 - 1.3 mm establishes the valve clearance limit Logic.
- Measured Energy Draw: 40 +5C defines the optimal oil temperature Benchmarks.
- Published Specific Fuel Consumption: 0.33 g/ps.hr governs the fuel efficiency Range.
- Authorized Burn-in Temperature: 60 C signifies the initial operating temperature Sequences.
- Technical Storage Capacity: The crankcase holds 3.7L of oil for standard operation Baseline.
Isuzu Manual Features & Content Preview
Technical Installation Safety Manual: Inboard Engine (Sterndrive) Workshop Essentials: Isuzu UM4BB1, UM4BD1, UM4BD1-II, UM4BDIT, UM4BDIT-II, UM4BD1TC Manual ((1987 Edition)) Specification-Guide
Year-Coverage: 1987 // Conceptual-Layout: Marine / Engine Logic // Year-Coverage: Specifications
| Component | Baseline | Logic |
|---|---|---|
| Engine Type | Water cooled, 4 cycle, inline 4 cylinder, over-meshed valve | Dry chrome coated metal |
| Max. Output | 125ps/2700rpm | - |
| Measurement (LxWxH) (mm) | 1077x721x967 | 3856cc |
| Weight (DRY) (kg) | 568 | - |
| Oil Capacity (L) | 7.2L | API classification CC grade |
| Cooling type | Pressurized circulation type (with oil cooler) | Approx 13L |
Providing a structural breakdown of the Isuzu UM4BB1, UM4BD1, UM4BD1-II, UM4BDIT, UM4BDIT-II, UM4BD1TC marine diesel engines. This manual covers general repair instructions, engine assembly, lubrication, cooling, fuel, and electrical systems. It details diagnostic procedures and component overviews necessary for maintenance and repair.
Systems
Reference data is included for all major engine systems, including the lubricating, cooling, fuel, and electrical systems. The manual outlines the function and interconnections of key components within each system.
Procedures
This manual covers disassembly, inspection, renewal, and assembly procedures for critical engine components. It includes guidance on checking tolerances, adjusting settings, and performing common repairs.
Introduction
The "Workshop Essentials" manual provides essential information for servicing the Isuzu UM4B series marine diesel engines. It is designed to assist technicians in performing repairs and maintenance accurately.
Table
See the Technical Specs Table above for a summary of key engine specifications and configurations.
Specifications
This document provides detailed specifications for various engine components, including dimensions, clearances, and torque values required for proper assembly and function.
This manual documents torque specifications for flange face sealing to ensure proper component mating and prevent leaks.
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