SDLG LG958L Manual

WA R N I N G
Operators and maintenance persons should read this manual
carefully and understand these instructions before use to
avoid serious accident. For the convenience of relevant
people using this manual, it should be easily accessable and
kept in readable condition.
Operation & Maintenance Manual
SHANDONG LINGONG CONSTRUCTION MACHINERY CO.，LTD
LG958L/LG959
WHEEL LOADE
R

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
II
LG958L/LG959 WHEEL LOADER
Operation & Maintenance Manual
880×1230 mm 16# 6.5pieces
1st Edition in 2009. 12 and 1st Print
SHANDONG LINGONG CONSTRUCTION
MACHINERY CO.，LTD
Address: Linyi Economic Development Zone, Shandong, 276023
Tel: [phone]
Fax: [phone]
Website：www.sdlg.cn
Services Tel：[phone] 4006587999 0539-8785800
Services Fax：[phone]

Table of Contents
PREFACE ...................................................................................................................................................................... I
SAFETY INFORMATION ......................................................................................................................................... III
CHAPTER I SAFETY .................................................................................................................................................. 1
1 SAFETY LABEL POSITIONS AND THE CONTENTS.................................................................................. 1
1.1 Safety Label and Its Position................................................................................................................... 1
1.2 The Contents of Safety Label（Domestic Type）.................................................................................. 2
1.3 The Contents of Safety Label (Export Type)........................................................................................... 7
2 SAFETY RULES ............................................................................................................................................. 13
2.1 Safety Rules .......................................................................................................................................... 13
2.2 Safety Devices....................................................................................................................................... 13
2.3 Protective Items..................................................................................................................................... 14
2.4 Unauthorized Modification ................................................................................................................... 14
3 SAFETY OPERATION.................................................................................................................................... 15
3.1 Be Familiar with Machine..................................................................................................................... 15
3.2 When Leaving Operator’s Seat ............................................................................................................. 15
3.3 Mounting and Dismounting .................................................................................................................. 16
3.4 Fire Prevention...................................................................................................................................... 16
3.5 Precautions When Operating at High Temperature ............................................................................... 17
3.6 Road Driving......................................................................................................................................... 18
3.7 Prevent Crushing or Cutting Body Parts ............................................................................................... 18
3.8 Notice of Attachment ............................................................................................................................ 19
4. STARTING SAFELY...................................................................................................................................... 19
4.1 Before Starting Engine .......................................................................................................................... 19
5 SAFETY DRIVING......................................................................................................................................... 22
5.1 Warning ................................................................................................................................................. 22
5.2 Safety of self and others........................................................................................................................ 22
5.3 Full Load Transportation....................................................................................................................... 24
5.4 Drive at Proper Speeds.......................................................................................................................... 24
5.5 Ensure Good Visibility .......................................................................................................................... 24
5.6 Pay Attention to Blockages ................................................................................................................... 25
5.7 Driving in Dangerous Conditions.......................................................................................................... 25
5.8 Driving safely on the Ramp .................................................................................................................. 26
5.9 Towing................................................................................................................................................... 27
6 SAFETY OPERATION.................................................................................................................................... 28
6.1 Keep Good Operation Habits ................................................................................................................ 28
6.2 Pay Attention to Surroundings .............................................................................................................. 30
6.3 Ensure Ventilation in Close Environment ............................................................................................. 31
6.4 Don’t Get Close to Dangerous Environment......................................................................................... 31
6.5 Don’t Get Close to High Voltage Wire.................................................................................................. 31
7 SAFETY PARKING ........................................................................................................................................ 32
7.1 Pay Attention to the Safety of Yourself and Others............................................................................... 32
7.2 Notice for Cold Area ............................................................................................................................. 33
8 SAFETY EXAMINATION AND REPAIR...................................................................................................... 33
8.1 General Knowledge............................................................................................................................... 33
8.2 Working in a Close Area ....................................................................................................................... 34
8.3 Maintenance of Frames during Jacking up............................................................................................ 35
8.4 Working under the Machine .................................................................................................................. 35
8.5 Working on the Machine ....................................................................................................................... 35
8.6 Maintenance While the Engine is Working ........................................................................................... 36
8.7 Do Not Let Anything Fall into the Inner Part of the Machine............................................................... 36
8.8 Cleaning ................................................................................................................................................ 36
8.9 Heavy Materials .................................................................................................................................... 37

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
II
8.10 Welding Repair.................................................................................................................................... 37
8.11 Maintenance of Coolant System.......................................................................................................... 37
8.12 Examination and Repair of Hydraulic System .................................................................................... 38
8.13 Preventing Fire .................................................................................................................................... 39
8.14 Air Storage Tank.................................................................................................................................. 40
8.15 Electric System.................................................................................................................................... 40
8.16 Maintenance of Storage Battery .......................................................................................................... 40
8.17 Charging of Storage Battery................................................................................................................ 41
8.18 Starting to Use Voltage-Raising Method ............................................................................................. 42
8.19 Maintenance and Storage of Tires ....................................................................................................... 42
8.20 Waste Materials ................................................................................................................................... 43
9 SAFETY TRANSPORTATION ....................................................................................................................... 44
9.1 Assemble and Disassemble the Machine............................................................................................... 44
9.2 Transportation on the Ground ............................................................................................................... 44
9.3 Lifting.................................................................................................................................................... 45
CHAPTER II INTRODUCTION................................................................................................................................ 46
1 GENERAL VIEW OF THE MACHINE & COMPONENTS’ NAME............................................................ 46
2 GEOMETRICAL DIMENSIONS.................................................................................................................... 47
3 PRODUCT TYPE AND ITS MEANING ........................................................................................................ 49
4 NAMEPLATE.................................................................................................................................................. 49
5 USE CONDITIONS......................................................................................................................................... 52
6 CIRCUMSTANCES REQUIREMENT ........................................................................................................... 52
7 FEATURES...................................................................................................................................................... 52
8 TECHNICAL PERFORMANCE & PARAMETER ........................................................................................ 53
8.1 Performance of Whole Machine............................................................................................................ 53
8.2 Principle Dimension and Weight........................................................................................................... 54
8.3 Product Standard and License ............................................................................................................... 55
CHAPTER III OPERATION AND APPLICATION................................................................................................... 56
1 BE FAMILIAR WITH MACHINE.................................................................................................................. 56
1.1 Control Systems and Gauges................................................................................................................. 56
1.2 Introduction of Gauges & Controls ....................................................................................................... 58
2 RUN-IN PERIOD OF NEW MACHINE......................................................................................................... 71
3 OPERATION AND USE OF LOADER .......................................................................................................... 72
3.1 Notices for Usage.................................................................................................................................. 72
3.2 Starting .................................................................................................................................................. 73
3.3 Running................................................................................................................................................. 75
3.4 Stopping ................................................................................................................................................ 77
3.5 Operations ............................................................................................................................................. 78
3.6 Oil and Fuel Supply .............................................................................................................................. 84
3.7 Long-Time Storage................................................................................................................................ 93
3.8 General Problems/Possible Cause/Remedies ........................................................................................ 95
CHAPTER ⅣMAINTENANCE ........................................................................................................................... 100
1 MAINTENANCE GUIDE ............................................................................................................................. 100
1.1 Attention to Maintenance and Inspection............................................................................................ 100
1.2 Hanging Warning Tag.......................................................................................................................... 100
1.3 Fitting preparation............................................................................................................................... 100
1.4 Oil and Fuel preparation...................................................................................................................... 100
1.5 Using the Prescriptive Oil and Fuel .................................................................................................... 100
1.6 Keep the Machine Clean ..................................................................................................................... 100
1.7 Pay Attention to the Refrigerant Water and Oil in High Temperature................................................. 100
1.8 Check the Oil and Filters..................................................................................................................... 101
1.9 Fuel Strainer........................................................................................................................................ 101

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
III
1.10 Oil Changing ..................................................................................................................................... 101
1.11 Welding Guide................................................................................................................................... 101
1.12 Fire Prevention .................................................................................................................................. 101
1.13 Sealing Part ....................................................................................................................................... 101
1.14 Checking the Frame .......................................................................................................................... 101
1.15 Attention to Washing Machine .......................................................................................................... 101
1.16 Checking in Raining and Snowing Circumstances ........................................................................... 101
1.17 Dusty Circumstances......................................................................................................................... 102
1.18 Avoid Using Mixed Oil ..................................................................................................................... 102
2. DETAILED RULES OF MAINTENANCE ................................................................................................. 102
2.1 Detailed Rules of Using Oil, Fuel and Coolant................................................................................... 102
2.2 Selection of Fuel, Coolant and Lubricant............................................................................................ 104
2.3 The Sketch of Lubricating Points........................................................................................................ 107
2.4 Detailed Rules of Electric System Maintenance ................................................................................. 107
2.5 Maintenance Tools .............................................................................................................................. 107
2.6 Tightening Torque of Screw ................................................................................................................ 107
3 CONTENT OF MAINTENANCE................................................................................................................. 108
3.1 Every 10 Hours (Days) Service........................................................................................................... 108
3.2 Every 50 Hours (Week) Service .......................................................................................................... 109
3.3 Every 250 Hours (Month) Service ...................................................................................................... 109
3.4 Every 500 Hours (Season) Service.......................................................................................................110
3.5 Every 1000 Hours (Half a Year) Service..............................................................................................110
3.6 Every 2000 Hours (Year) Service.........................................................................................................111
3.7 Alteration..............................................................................................................................................111
3.8 Replace the Air-Storage Tank after 3 Years of Service.........................................................................111
CHAPTER V THE STRUCTURE AND PRICIPLE OF MAIN COMPONENTS AND SYSTEM .........................112
1 TRANMISSION SYSTEM.............................................................................................................................112
2 HYDRAULIC SYSTEM ................................................................................................................................113
3 BRAKE SYSTEM ..........................................................................................................................................114
3.1 Driving Brake System (Single Brake Pedal)........................................................................................115
3.2 Driving Brake System (Double Brake Pedals).....................................................................................115
3.3 Emergency and Parking Brake System ................................................................................................115
4 ELECTRIC SYSTEM.....................................................................................................................................116

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
I
PREFACE
Thank you for purchasing the wheel loader produced by Shandong Lingong.
This manual is a guideline for users to operate and maintain this machine properly. Keep this manual
within easy access and have all relevant people read it before use. If this manual is lost, damaged or
cannot be read, contact our company or our dealers.
If you sell the machine, be sure to give this manual to the new owners.
Parameters, figures and information included in this manual apply only to basic loaders. For those
derivative products, please consult us or refer to the relative manuals.
When selecting working equipment, please follow the user manual of the working equipment to
assemble and disassemble, replace and use.
In addition, please read carefully the attached technical user manual for the diesel engine and other
functioning parts about operation, use and maintenance.
We are continually striving to improve the quality of our products, to produce more advanced and a
safer engineering machine. We reserve the right, at our sole discretion, to change or modify our
design, but we do not promise to apply the changes to products that are sold. We also reserve the right
to change the data and machine, and the right to maintain it. The design, operation and user
information in this document is subject to change without notice. Customer feedback is very
welcomed. If you would like to comment on any aspect of this manual or our products in general,
please feel free to contact us.
Please give us feed back about the shortcomings immediately upon using our products, so that we can
continue to improve our products to satisfy your requirements.
All rights are reserved. The contents of this publication may not be reproduced in any form, or
communicated to a third party without prior written permission of Shandong Lingong Construction
Machinery Co. Ltd.

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
II
△
! WA R N I N G
zThe wrong operation, maintenance and repair could result in injury or death.
zAn operator should read this manual carefully before operation or maintenance. Never
attempt to operate, maintain or repair the machine before reading and understanding this
manual.
zThe operation specifications and precautions given in the manual only apply to intended
uses of the machine. If the machine is used for any unintended purpose that is not
specifically prohibited, ensure the safety of yourself and others before using.
zAny operation and actions which are in conflict with the description in this manual are
prohibited.

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
III
SAFETY INFORMATION
Operators should know and obey the safety criteria described in national and local laws. If there is no
such national or local criteria, please follow the rules described in this manual.
Most accidents are caused by the failure to follow fundamental safety regulations for the operation
and maintenance of machines. To avoid accidents, please read, understand and follow all precautions
and warnings in this manual about the machine before performing any operation or maintenance.
Safety precautions are specified in SAFETY of Chapter I.
Safety information described in this manual cannot include safety precautions for every circumstance
that might involve a potential hazard in operation and maintenance. Therefore, if procedures or
actions which are not recommended in this manual are used, the safety of the operator and machine
must be confirmed. Otherwise, consult us or the dealers.
The safety precautions for operation and maintenance in this manual only apply to those conditions
specified by the machine. If the uses of the machine are not specified in the manual, users should
assume full responsibility for their actions. We will not bear any safety responsibility for the operators
or machine.
In any case, you should not engage in prohibited operations as described in this manual.
The following signs are used for identification of safety information in this manual:
△! DANGER── This word is used in safety messages and on safety labels where there is a
high possibility of serious injury or death if the hazard is not avoided. These safety messages or
labels usually describe precautions that must be taken to avoid the hazard. Failure to avoid this
hazard may also result in serious damage to the machine.
△! WA R N I N G ── This word is used in safety messages and on safety labels where there is
a potentially dangerous situation. Failure to avoid this hazard may also result in serious injury or
death. Failure to avoid this hazard may also result in serious damage to the machine.
△! NOTICE── This word is used in safety messages and on safety labels for the hazards
that could result in minor or moderate injury if the hazard is not avoided. This word is used for
precautions that must be taken in order to avoid actions which could shorten the life of the
machine.

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
1
CHAPTER I SAFETY
△
!WARNING
Read and follow all safety precautions. Failure to do so may
result in serious injury or death.
1 SAFETY LABEL POSITIONS AND THE CONTENTS
1.1 Safety Label and Its Position
The positions of safety labels of this machine are shown in the figure 1-1 and figure 1-2. Please read
carefully and follow the contents of all the safety labels. Please maintain the labels; when a label
becomes lost, broken or unclear, immediately repair or replace the label. If any component attached
with safety labels is replaced, please make sure the new component has the same safety label.
When cleaning the safety labels, please use cloth, soap and water. Do not use chemical and gas
cleansers.
Figure 1-1 Figure of safety label position (Domestic Type)

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
2
1.2 The Contents of Safety Label（Domestic Type）
1. Warning for starting
Located above the start button
2. Limit position of lift arm
Located on the lifting
position of front and
rear frames
(Lock the lift arm cylinder before
entering dangerous areas.)
3. Danger of lift arm 4. Start for lift
Located on both sides of
lift arm
Located on both sides of lift arms

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
3
5.Noticeforoperation 6.Noticefordriving
7. Danger of injury or death 8. Notice for parking 9. Notice for the operator
during steering brake cab door
Located on the steering position
of front and rear frames
Located on the outside of
Operator cab left door
maintains
Sitting allowed only in cab.
s
loading.
;
while in operation
Located on the right front glass of
the operator cab.
Located on the left front glass of the
operator cab.
Located on the right
operation box

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
4
10. Notice for select switch of cutting 11. Warning of select switch of cutting
power power
12. Notice for antifreeze fluid 14. Notice for Hydraulic oil tank
13. Notice for platform frame
Located on the left side of operator cab door
and mouse of radiator of engine hood Located on the hydraulic oil tank.
act
on
with a
with a
with a
Located on the right operation box Located on the right operation box
Located on the right and left platform frames.
(If there is the switch.) (If there is the switch.)

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
5
15. Notice of high temperature 16. Notice for fuel oil tank
Located on vent-pipe of engine hood Located on the fuel oil tank.
17. Notice of hot water
(Pay attention to the steam or hot water ejection.)
Located on the cover of en
g
ine water tank.
18. Warning of machine reversing
Located on both sides of engine hood.
19. Personal safety range
Located on both sides of en
g
ine hoo
d
.

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
6
20. No fire warning
Figure 1-2 Figure of safety label position (Export Type)
Located on fuel tank.

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
7
1.3 The Contents of Safety Label (Export Type)
2. Danger of lift arm
3. Antifreeze fluid 4. Antifreeze fluid
1. Limit position of lift arm
Located on both sides of
lift arm.
Located on both sides of
lift arm.
Located on the left operator cab
door and engine hood
(If coolant(-35#)has been added.) (If coolant(-45#)has been added.)
Located on the left operator cab
door and engine hood

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
8
5. Notice for the operator cab door 6. Notice of required reading manual
7. Prevent rolling 8. Check before starting
9. No passenger warning
Located on the left of operator cab door Located on the right front upright
column of operator cab.
Located on the right front upright
column of operator cab.
Located on the right rear upright
column of operator cab.
Located on the right rear upright
column of operator cab.

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
9
10. Warning to avoid noise 11. Wearing seat belt warning
12. Warning of high voltage
13. No fire warning
14. Personal safety range
Located on both sides of en
g
ine hoo
d
.
Located on the right rear upright
column of operator cab.
Located on the right rear upright
column of operator cab.
Located on the right rear upright column of operator cab.
Located on battery box.

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
10
15. Warning of machine reversing 16. Notice of hot water
17.Fueltank 18.Warningofhightemperature
19.Startforlift 20.Hydraulicoiltank
Located on both sides of engine hood. Located on the cover of water
tank of engine hood
Located on fuel tank. Located on the cover of water tank of engine hood
Located on the lifting position of the
front and rear frames. Located on the hydraulic oil tank.

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
11
21. Notice for platform frame
22. Select switch of cutting 23. Warning for cutting off
power power
24. Parking brake
Located on the right and left platform frames.
Located on the right operation box Located on the right operation box
(If there is the switch.) (If there is the switch.)
Located on the right operation box

Operation & Maintenance Manual──LG958L/LG959 Wheel Loader
12
25. Danger of serious injury during steering 26. Warning for starting
Located on the steering position
of front and rear frames Located above the start button