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Maintenance Guide

This document is the original Service Manual plant of Yanmar (YANMAR), ViO45-5B, ViO55-5 and ViO55-5B. The content fully covers the technical specifications and maintenance standards of 4TNV88-PBV and 4TNV88-BXBV diesel Engine, Hydraulic System, electrical equipment, chassis and working devices. The manual details the dismantling and adjustment of Engine, the failure screening of Hydraulic Pump and control valves, the interpretation of circuit maps, and all bolt twists, maintenance cycles and oil recommendations. Whether the Engine major overhaul, Hydraulic System commissioning or routine maintenance, the manual provides professional operational steps and permitted wear and tear limits, which are required technical information for repairers and equipment managers to ensure reliable operation of equipment

YanmarYANMAR VIO45-5B VIO45-5B VIO55-5B Small Excavator2HOLD with 4TNV88-PBV 4TNV88-BXVEngine4HOLD Maintenance guidelines

2026-05-23 Updated Views:

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