Yuchai YC310LC-8 User manual

Operation Manual
This manual comes to you with the Hydraulic excavator.
Please preserved carefully.
YC310LC-8
YC360LC-8
Hydraulic
Excavator

Warning
Incorrect operation of the machine will cause death. Thus, before using this machine, you should do
what described as following.
●Keep in mind the safety procedures of the machine and the correct use specifications.
●Read to understand the content related to the safe handling of the machine in the manual.
●Understand and be familiar with all of the safety signs on the machine.
●Keep unnecessary personnel to leave the workplace.
●Before the formal operation in the workplace, you should have prior training of the safe operation of
the machine.
You are responsible for compliance with relevant laws and regulations and to comply with the relevant
guidance of Yuchai Heavy Industry Co., Ltd. for operating and maintaining the machine.
YUCHAI is registered by Yuchai Heavy Industry Co., Ltd.

1.
Contents
To the Users 2..............................................................................................................................................
Product Information 3...................................................................................................................................
Direction of the Machine 5...........................................................................................................................
Composition of the Machine 7......................................................................................................................
Technical Specifications 8............................................................................................................................
General Safety 2..........................................................................................................................................
Safety Tips 3................................................................................................................................................
Safety Equipment 4......................................................................................................................................
Safety Signs 5..............................................................................................................................................
Workplace Safety 13....................................................................................................................................
Safe Operation 14........................................................................................................................................
Transport and Handling Machine 34............................................................................................................
Stop the Machine and the Maintenance 35..................................................................................................
Fire Prevention, Explosion-proof and Anti-poisoning 36..............................................................................
Battery 37.....................................................................................................................................................
Hydraulic System 39....................................................................................................................................
Overview of Operating Equipment 2............................................................................................................
Monitor 3......................................................................................................................................................
Main Screen and Basic Operations 4...........................................................................................................
Left Dashboard 9..........................................................................................................................................
Command Control Panel (cab left) 11..........................................................................................................
Safety Locking Parts 12...............................................................................................................................
Manipulation of the Working Device and the Rotary Equipment 13.............................................................
Walking Manipulation 14..............................................................................................................................
Throttle Operation 15...................................................................................................................................
Driver's Seat 16............................................................................................................................................
Seat Belt 17..................................................................................................................................................
Air-conditioning Control 18...........................................................................................................................
Radio 22.......................................................................................................................................................
Doors and Windows 24................................................................................................................................
Preparations before Operating this Machine 2.............................................................................................
Engine Operation 3......................................................................................................................................
Getting in or out of the Machine 7................................................................................................................
Moving of the Machine 8..............................................................................................................................
Turning the Machine 10................................................................................................................................
Rotation of the Machine 13..........................................................................................................................
Selection of Machine Work Mode 14...........................................................................................................

Working Device Operation 15......................................................................................................................
Working on Slopes or in Water 17................................................................................................................
Out of the Muddy Environment 18...............................................................................................................
Construction Operations Guide 19...............................................................................................................
Disassembly and Installation of the Bucket 21.............................................................................................
Parking the Machine 22...............................................................................................................................
After Operation 23........................................................................................................................................
Handling and Transport of the Machine 24..................................................................................................
Operating under the Hot or Cold Climate 29................................................................................................
Storage of the Machine 30...........................................................................................................................
Reasons of Technical Failures and Solutions 32.........................................................................................
Maintenance Knowledge 2...........................................................................................................................
Maintenance Summary 4.............................................................................................................................
Parts of Mandatory Replacement 6..............................................................................................................
Oil Selection Table 7....................................................................................................................................
Tightening Torque 8......................................................................................................................................
Regular Inspection and Maintenance Table 11............................................................................................
Regular Inspection and Maintenance Table (continued) 13.........................................................................
Routine Examination 15...............................................................................................................................
Engine Fuel System 16................................................................................................................................
Engine Cooling System 21...........................................................................................................................
Engine Lubrication System 25.....................................................................................................................
Engine Intake System 28.............................................................................................................................
Other Maintenance of the Engine 29...........................................................................................................
Hydraulic System 30....................................................................................................................................
Battery 38.....................................................................................................................................................
Reducer 40...................................................................................................................................................
Track 43.......................................................................................................................................................
Supporting wheel, under roller and idler 45.................................................................................................
Lubricating 46...............................................................................................................................................
Air Conditioning 47.......................................................................................................................................
Bucket Teeth Replacement 50.....................................................................................................................
Washing the Floor Pads 51..........................................................................................................................
Safety issues 2.............................................................................................................................................
Accessories Installation and Removal Steps 4............................................................................................
Accessories Instruction Guide 5...................................................................................................................
Daily Inspection of Hydraulic Breaking Hammer 10.....................................................................................

1
Foreword
1-1

To the Users
Dear User:
Welcome you use Yuchai Heavy excavators and thank you for your strong cooperation with Yuchai
business.
The manual is mainly provided for the use of the drivers and maintenance personnel. Hope you can
read the manual carefully before the operation and maintenance of the machine, and be in strict
accordance with the manual on safety procedures, use methods, lubrication and regular maintenance
requirements. The proper methods, regular maintenance and repair are the necessary guarantees for
the machine to work reliably and extend work life, as well as to play a good role in the work.
Please make the overhaul repair and adjust the machine in the repair stations and agencies that are
commissioned by our company, and use the genuine accessories and spare parts provided by our
company. If non-genuine accessories and parts have been used, then perhaps there is no significant
impact on the machine, but they are likely to cause a series of adverse consequences to the machine in
the future. If the machine failures are caused by the non-genuine accessories, parts or the organization
without the authorization of our Company, even in the warranty period, Yuchai Heavy Industry Co., Ltd.
does not assume the warranty service.
Based on the principle of “Customer First”, Yuchai Heavy constantly improves products to provide the
best products to the users. Thus, the improvement may be implemented at any time, without replacing
the information and prior notice to the product on sale.
Sincerely hope that this machine can serve you better and create greater value under your proper use
and care.
Guang Xi Yuchai Heavy Industry Co., Ltd.
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Product Information
When you need know the basic information of the machine, you can view the location in the picture.
●Whole Machine Information (the whole machine nameplate is on the left front
side of the platform)
●Engine Information
1-3

●Machine Operating Information (the operating information of the machine can
be displayed by the monitor in the cab)
Machine File
Please fill the table below with serial number of your machine and its engine and other data. When you
need to buy machine parts or want to obtain the information, you can tell Yuchai these codes.
Please record these numbers, and keep them well with the product certification. In case that your
machine is stolen, you can submit the information to the local public security organs.
●Machine Model
●Machine serial number
●Engine serial number
●Information of the dealer
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Operation time

Direction of the Machine
The directions of front, back, left, right, up and down in the manual refer to the directions as shown in
the following diagram.
Front
Left
1-5
Up
Down
Right
Rear

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