Intended Use:
Agriculture, compact utility tractor operations, general property maintenance.
Manual Advantage:
Provides factory-level information, enabling accurate and efficient repairs, bridging the gap for owners and independent mechanics.
Content Similarity:
Mirrors the depth and detail of original factory service and owner's manuals.
Knowledge Transfer:
Aims to educate users, enabling them to make informed decisions regarding maintenance and repairs, mirroring factory-trained technician knowledge.
Engine:
Complete engine overhaul, diagnosis, troubleshooting, fuel system, lubrication system, cooling system, ignition system (if applicable), starting and charging systems.
Transmission:
Manual and/or automatic transmission service, repair, adjustment, troubleshooting, fluid specifications, and overhaul procedures.
Drivetrain:
Front and rear axle repair, differential service, drive shafts, universal joints, and related components.
Steering:
Steering system diagnosis, repair, adjustments, power steering system service (if equipped).
Brakes:
Brake system inspection, repair, hydraulic system service, component replacement (pads, rotors, calipers, lines), troubleshooting.
Electrical System:
Wiring diagrams, component testing, starter motor, alternator, battery service, lighting systems, fuses, relays, and diagnostic procedures.
Chassis And Suspension:
Front and rear suspension repair, shock absorbers, springs, bushings, chassis lubrication, and alignment specifications.
Body And Frame:
Body panel repair, door mechanisms, interior trim, glass replacement, frame inspection and repair (if applicable).
Hydraulics:
Hydraulic system components, pumps, cylinders, hoses, fluid specifications, and troubleshooting for implement control (if applicable).
Maintenance:
Regularly scheduled maintenance, fluid changes, filter replacements, lubrication points, and preventative measures.
Disassembly And Assembly:
Step-by-step instructions for removing, overhauling, and reassembling all major vehicle components.
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving common and uncommon faults and issues.
Repair:
Detailed instructions for repairing or replacing faulty parts and components.
Cleaning And Reinstalling:
Procedures for cleaning parts during disassembly and proper reinstallation methods.
Depth Level:
Comprehensive, covering fundamental to advanced repair and maintenance procedures.
Engine Model:
Likely a Yanmar diesel engine (specific model not provided in product info, but common for YM series).
Engine Displacement:
Specific displacement not provided, but YM series often features engines in the 1.0L to 2.0L range.
Horsepower Range:
Typically in the 15-25 HP range for tractors in this series.
Torque Specifications:
Specific torque figures would be detailed in the manual.
Fuel Delivery:
Likely indirect injection or direct injection, with associated fuel pumps and injectors.
Transmission Type:
Likely a manual gearbox with a selectable range (e.g., Hi/Lo), potentially with a synchronized or unsynchronized main transmission.
Optional Transmission:
Information on any optional transmissions (e.g., hydrostatic) would be in the manual.
Clutch Type:
Typically a dry, single-plate clutch for manual transmissions in this class.
Gear Selection:
Details on gear ratios and shifting mechanisms.
Overall Length:
Specific dimensions would be found in the manual, but typically compact for its class.
Overall Width:
Specific dimensions would be found in the manual.
Wheelbase:
Specific dimensions would be found in the manual.
Operating Weight:
Specific weight would be detailed in the manual; typically around 1000-1500 kg without attachments.
Towing Capacity:
Details on towing capacity would be specified in the manual.
Engine Oil Change:
Typically every 100-250 operating hours or annually, depending on operating conditions. Specific interval in manual.
Transmission Oil Change:
Typically every 500-1000 operating hours or as per manual recommendation.
Fuel Filter Replacement:
Recommended at regular intervals, often tied to operating hours or annually, with specific part numbers in manual.
Engine Oil Type:
API CD or higher diesel engine oil, viscosity grade typically SAE 10W-30 or 15W-40, depending on climate. Specific Yanmar recommendation in manual.
Hydraulic Fluid Type:
Yanmar genuine hydraulic oil or equivalent, ISO VG 46 or similar viscosity. Specific capacity and type in manual.
Transmission Gear Oil Type:
GL-4 or GL-5 gear oil, SAE 80W-90 or 85W-90. Specific type and capacity in manual.
Common Wear Items:
Clutch wear, hydraulic system leaks, injector wear, glow plug issues (in colder climates), potential cooling system inefficiencies over time.
Yanmar Legacy:
Yanmar is a well-established Japanese manufacturer known for its diesel engines and compact machinery, with a reputation for reliability and durability.
Ym Series:
The YM series represents Yanmar's line of compact and utility tractors, designed for a range of tasks from small-scale farming to property maintenance. The YM155D is part of this established lineage.
Production Period:
Specific production years for the YM155D are not provided, but the YM series has been produced for several decades.
