Yuchai YC6J125Z-T20 engine service manual
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About the Hyundai Construction Equipment Engines
Engine manuals for the engines fitted to Hyundai construction equipment: 98 manuals for Cummins, Perkins, Yanmar, Kubota, Mitsubishi, Deutz, Scania, Weichai, Iveco, Nissan, Kirloskar, Yuchai and Hyundai engines.
Yuchai YC6J125Z-T20 Engine Service Manual
This is the Yuchai YC6J125Z-T20 engine service manual, as a PDF. It runs to 99 pages in 5 parts.
It covers the Yuchai YC6J125Z-T20 engine. It is Yuchai's own service manual, the documentation the dealer workshops repair these machines with.
About the engine manual
An engine overhaul goes wrong without the factory clearances, torque sequences and timing settings. This manual gives them, together with the fuel system and troubleshooting procedures.
What is inside
Its chapters cover the engine, troubleshooting and fault codes, maintenance and emissions and aftertreatment. The largest sections are Primary Structures of Engine and working principle (40 pages), Large Consumption of Lubricating Oil (10 pages) and Frequently-possible Troubles and Their Solution (2 pages).
- Primary Structures of Engine and working principle (40 pages)
- Frequently-possible Troubles and Their Solution (2 pages)
- Abnormal Noise during Running of Engine (1 page)
- White smoke and Blue Smoke from Exhaust Manifold (2 pages)
- Large Consumption of Lubricating Oil (10 pages)
What you can do with it
- Find the cause of a fault before replacing parts
- Remove, overhaul and refit major components
- Set pressures, clearances and adjustments to the factory values
- Use the right torque values and tightening sequences
Who it is for
Owners and operators who maintain their own machines, contractors' and rental workshops, independent repair shops and dealers.
Make sure it is your engine
This manual is for the Yuchai YC6J125Z-T20 engine. Check the engine nameplate (model and serial number) before ordering.
Questions about this manual
Which machines does this manual cover?
The Yuchai YC6J125Z-T20. If your machine has a different model number, look for the manual for that model.
Is it the original manufacturer manual?
Yes. It is Yuchai's own service manual, not a third-party reprint or a summary.
How many pages does it have?
99 pages, in 5 parts listed above.
How do I receive it?
It is a PDF. After payment it is available to download from your account, and you can read it on a computer, tablet or phone or print the pages you need. No printed book is shipped.
