SUNWARD SWE90UF-2PB Manual

I
Sunward Intelligent Equipment Co., Ltd.
September, 2022
SWE90UF-2PB
Crawler-type Hydraulic Excavator
Operation & Maintenance Manual
© All rights reserved by Sunward Intelligent Equipment Co.,
Ltd.

SWE90UF-2PB Operation & Maintenance Manual
Note for Service Request
Dear Customers:
Thank you sincerely for purchasing our products. We will provide you timely service of good quality, so as
to bring you more fortune with our equipment.
It’s essential to provide us enough clear failure information, thus, we can analyze that and offer you
effective service on time. If any support is requested from SUNWARD or our authorized agents, failure
details should be provided as much as possible, mainly including following items:
①A clear and full photo of the equipment nameplate, which locates on the right outside of the cab, as
below figure:
②A photo of equipment working hours.
③A photo of the entire machine, in which the whole equipment and its working condition should be clear
and complete.
④A photo of possible failure component, which can help us to analyze the accurate location of
malfunction.⑤A close-up photo of failure component, in which show the malfunction details or damage
clearly.
If you estimate that the failure may be caused by valuable components, such as, engine, hydraulic pump,
main control valve, motor, hydraulic cylinder, controller, display screen, radiator and crawler, photos of
these component nameplate or steel seal are also needed, which locates on the top or side. Please
distinguish that carefully.
Please send us service request by email or other method, thanks for your support.

SWE90UF-2PB Operation & Maintenance Manual
EC Declaration of Conformity
The undersigned, representing the following:
Manufacturer and
the authorized representative established within
the
European Economic Area:
Company name:
SUNWARD INTELLIGENT EQUIPMENT CO., LTD.
Address:
Sunward Intelligent Industrial Park, Xinsha,
Changsha , Hunan, China
SUNWARD EUROPE HEAVY INDUSTRY NV
Nijverheidspark 3, 3580 Beringen, Belgium
Business name: SUNWARD INTELLIGENT EQUIPMENT CO., LTD.
Name and address of person/Company authorized to compile the technical file established in the EU
Community:
SUNWARD EUROPE HEAVY INDUSTRY NV
Nijverheidspark 3, 3580 Beringen, Belgium
herewith declare that the following safety component/s:
Description of machine
Generic denomination: Hydraulic Excavator
Function: Widely used in projects like earth & stone construction, municipal construction, road
maintenance , layout of cables and pipes, garden cultivation, trenches clearance, and etc.
Model/s: SWE90UF
Series:
fulfil the relevant provisions of European Directive 2006/42/EC. The harmonized standards used in order to
obtain compliance to 2006/42/EC (MD) are the following:
EN 474-1: 2006+A4:2013/AC:2014 – Earth-moving machinery-Safety - Part 1. General requirements;
EN 474-5:2006+A3:2013 – Earth-moving machinery - Safety - Part 5: Requirements for hydraulic
excavators;
EN ISO 4413:2010 –Hydraulic fluid power - General rules and safety requirements for systems and their
components;
EN ISO 12100:2010 – Safety of machinery - General principles for design - Risk assessment and risk
reduction

SWE90UF-2PB Operation & Maintenance Manual
Foreword
It is particularly important that the operator should read these instructions carefully in order to operate and
maintain the excavator safely and correctly. Otherwise accidents or damage may occur.
The manual supplies safety rules and labels which have been fixed on the machine so as to provide the
instructions of potential danger and the ways to avoid it. Please follow that strictly during operating and
maintenance. The forbidden usages or operations that mentioned in this manual cannot be engaged in any
circumstances.
SUNWARD cannot predict all kinds of potential danger may occur in the process of operation and
maintenance. Therefore, the related instructions in this manual and on the machine only concern the basic
safety rules. It is the operator’s duty to take necessary measures to protect safety if there is no
corresponding method recommended in this manual.
Sunward guarantees to keep machine in good repair in term of service. The service details are showed in
Maintenance Card supplied by distributor. In order to receive the warranty service from Sunward, make sure
genuine Sunward parts are used and all instructions given in this manual is complied with strictly for
operation and maintenance. If any personal injury, death and property loss is caused by failure to obey
above instructions, Sunward will not take any responsibility for that, and has rights to refuse to provide and
to terminate warranty service in advance.
The excavator is designed according to the metric system, all the data presented are metric and only metric
parts and tools can be used.
The manual should be regarded as the permanent part of excavator and kept at the easy reading place for
consultation at any time. If it is damaged or lost, please contact SUNWARD or agents for ordering. The
manual should be attached when the excavator is transferred or sold.
Only trained, qualified and experienced operators can operate, check and maintain the machine.
The equipment covered by this manual meets the applicable technical specifications effective as of its date
of issue. The manufacturer SUNWARD reserves the right to make any modifications from time to time
without prior notices to any excavator components.
Sunward Intelligent Equipment Co., Ltd.

SWE90UF-2PB Operation & Maintenance Manual
TABLE OF CONTENTS
1 SAFETY RULES................................................................................................................................................... 1
1.1 SAFETY LABELS............................................................................................................................................ 3
1.1.1 Location of Safety Labels
.....................................................................................................................
3
1.1.2 Safety Labels Instructions
....................................................................................................................
3
1.2 GENERAL SAFETY RULES.......................................................................................................................... 14
1.2.1 Observing Safety Rules
......................................................................................................................
14
1.2.2 Meaning of Safety Label
....................................................................................................................
15
1.2.3 Emergency Protection
.......................................................................................................................
15
1.2.4 Wearing Protective Devices
..............................................................................................................
15
1.2.5 Safety Equipment
...............................................................................................................................
16
1.2.6 Keeping Machine Clean
.....................................................................................................................
16
1.2.7 Checking before Start-up
.................................................................................................................
16
1.2.8 Precautions of Entering Cab
.............................................................................................................
16
1.2.9 Correct Entering/Leaving Machine
...................................................................................................
17
1.2.10 Adjustment of Operator’s Seat
....................................................................................................
17
1.2.11 Fastening Seatbelt
............................................................................................................................
18
1.2.12 Ensuring Perfect Visibility
................................................................................................................
18
1.2.13 Leaving Operation Seat Safely
........................................................................................................
18
1.2.14 Emergency Exit
.................................................................................................................................
18
1.2.15 No Passengers Allowed
...................................................................................................................
18
1.2.16 Worksite Safety
.................................................................................................................................
19
1.2.17 Operation on Loosened Area
.........................................................................................................
19
1.2.18 Signals and Gestures from Flagman
..............................................................................................
19
1.2.19 Distance to High Voltage Cables
....................................................................................................
20
1.2.20 Preventing Scald
...............................................................................................................................
20
1.2.21 Keeping Away From Transmission Parts
........................................................................................
20
1.2.22 Preventing Fire and Explosion
........................................................................................................
21
1.2.23 Measures for Fire Fighting
..............................................................................................................
21
1.2.24 Preventing Splashing or Falling Objects
........................................................................................
21
1.2.25 Prevention of Flying-Out Parts
.......................................................................................................
22
1.2.26 Preventing Asbestos Dust Inhalation
.............................................................................................
22
1.2.27 Preventing Inhalation of Smoke or Exhaust Gas
...........................................................................
22
1.2.28 Be Cautious of High Pressure Liquids
............................................................................................
23
1.2.29 Safe Disposal of Liquids
...................................................................................................................
23
1.2.30 Safe Disposal of Chemicals
.............................................................................................................
24
1.2.31Waste Material Disposal
...................................................................................................................
24
1.2.32 Prohibition of Unauthorized Modification on Machine
...............................................................
24
1.2.33 Preventing Objects Falling From High Altitude
............................................................................
24
1.3 SAFE OPERATION INSTRUCTIONS..........................................................................................................25
1.3.1 Inspection before Starting Engine
....................................................................................................
25
1.3.2 Correct Engine Start-up
....................................................................................................................
25

SWE90UF-2PB Operation & Maintenance Manual
1.3.3 Starting Engine in Cold Weather
......................................................................................................
26
1.3.4 Safe Operation
....................................................................................................................................
26
1.3.5 Notes for Rubber Track
.....................................................................................................................
27
1.3.6 Operation on Slopes
..........................................................................................................................
27
1.3.7 Operation on Snowy Ground
............................................................................................................
28
1.3.8 Avoid Tipping-Over
...........................................................................................................................
28
1.3.9 Preventing Accidents While Backing or Swinging
..........................................................................
29
1.3.10 Avoiding Accidents Caused By Control Failures
...........................................................................
30
1.3.11 Moving Machine Safely
...................................................................................................................
30
1.3.12 Safety Rules During Traveling
.........................................................................................................
31
1.3.13 Traveling on Slopes
..........................................................................................................................
32
1.3.14 Safety Rules During Towing
............................................................................................................
32
1.3.15 Machine Transportation
..................................................................................................................
33
1.3.16 Parking Machine Safely
...................................................................................................................
33
1.4 SAFETY MAINTENANCE INFORMATION................................................................................................ 35
1.4.1 Using Warning Signs
..........................................................................................................................
35
1.4.2 Parking Machine Prior to Maintenance
...........................................................................................
35
1.4.3 Safety Maintenance Rules
.................................................................................................................
35
1.4.4 Tips for Using a Hammer
...................................................................................................................
37
1.4.5 Precautions of Welding and Polishing
.............................................................................................
37
1.4.6 Avoiding Heating Pipes Containing Flammable Liquids
................................................................
37
1.4.7 Avoiding Heating near Pressure Oil Pipes
.......................................................................................
38
1.4.8 Removing Paint Before Welding or Heating
...................................................................................
38
1.4.9 Attachments
........................................................................................................................................
38
1.4.10 Maintenance Precaution of Track Tension Mechanism
...............................................................
39
1.4.11 Safety Rules for High-pressure Oil
.................................................................................................
39
1.4.12 Safety Operation for High-pressure Hoses
...................................................................................
40
1.4.13 Accumulator
......................................................................................................................................
40
1.4.14 Preventing Accumulator Explosion
................................................................................................
40
1.4.15 Waste Disposal
.................................................................................................................................
41
2 TRANSPORT AND STORAGE........................................................................................................................42
2.1 TRANSPORT...............................................................................................................................................43
2.1.1 General Transport Instructions
.........................................................................................................
43
2.1.2 Transport Specification
......................................................................................................................
43
2.1.3 Driving Onto or Off a Platform Trailer
.............................................................................................
43
2.1.4 Loading
................................................................................................................................................
45
2.1.5 Tying Down the Machine
..................................................................................................................
46
2.1.6 Unloading
............................................................................................................................................
46
2.1.7 Lifting Machine
...................................................................................................................................
47
2.2 STORAGE....................................................................................................................................................48
2.2.1 Before Storage
....................................................................................................................................
48
2.2.2 During Storage
...................................................................................................................................
49
2.2.3 After Storage
.......................................................................................................................................
49

SWE90UF-2PB Operation & Maintenance Manual
3. ABOUT MACHINE..........................................................................................................................................50
3.1 POSITION OF MACHINE COMPONENTS............................................................................................... 51
3.2 CAB（CLOSED）.......................................................................................................................................52
3.3 MONITOR METER......................................................................................................................................53
3.3.1 Meter Functions
..................................................................................................................................
54
3.3.2 Descriptions of Display Range and Alarm
.......................................................................................
54
3.3.3 Buttons
................................................................................................................................................
55
3.4 CONTROL PANEL...................................................................................................................................... 56
3.5 RADIO.........................................................................................................................................................58
3.5.1 Panel Functions
..................................................................................................................................
58
3.5.2 Performance Index
.............................................................................................................................
58
3.5.3 Operation Instructions
.......................................................................................................................
59
3.5.4 Radio Bluetooth Function
..................................................................................................................
60
3.6 SEAT ADJUSTMENT...................................................................................................................................62
3.7 AIR CONDITIONER....................................................................................................................................63
3.8 PILOT CONTROL HANDLE....................................................................................................................... 64
3.9 THROTTLE CONTROL............................................................................................................................... 64
3.10 CAB TOPLIGHT........................................................................................................................................ 65
3.11 FRONT WINDOW....................................................................................................................................65
3.12 WIND HOOD AND COVERING PARTS................................................................................................. 66
3.13 ACCESSORIES.......................................................................................................................................... 66
3.14 DECALS.....................................................................................................................................................66
4. MACHINE OPERATION.................................................................................................................................67
4.1 MACHINE WORKING ENVIRONMENT....................................................................................................67
4.2 RUNNING-IN OPERATION.......................................................................................................................67
4.3 OPERATING ENGINE.................................................................................................................................68
4.4 TRAVEL CONTROL.................................................................................................................................... 72
4.5 EXCAVATION............................................................................................................................................. 75
4.6 EXCAVATOR PARKING..............................................................................................................................77
4.7 LIFTING WORK...........................................................................................................................................82
4.8 BOOM SWING........................................................................................................................................... 85
4.9 OPERATION OF BOOM SECTION TWO..................................................................................................86
4.10 AIR CONDITIONER OPERATION........................................................................................................... 87
4.10 ACCUMULATOR...................................................................................................................................... 93
4.11 MAIN POWER WITCH.............................................................................................................................94
5. MAINTENANCE..............................................................................................................................................95
5.1 MAINTENANCE RULES............................................................................................................................. 96
5.1.1 Correct Maintenance and Inspection Procedure
............................................................................
96
5.1.2 Checking Excavator before Daily Starting
.......................................................................................
96
5.1.3 Periodic Inspection of Work Hour Meter
.........................................................................................
96
5.1.4 Preparation for Maintenance
............................................................................................................
97
5.1.5 Using Fuel and Lubricant Correctly
..................................................................................................
97

SWE90UF-2PB Operation & Maintenance Manual
5.1.6 Checking Discharged Grease and Used Filter Element
..................................................................
97
5.1.7 Inspection after Maintenance
...........................................................................................................
97
5.1.8 Electrical System Maintenance
..........................................................................................................
98
5.1.9 Hydraulic System Maintenance
........................................................................................................
98
5.2 OIL, COOLANT AND FILTER ELEMENT................................................................................................... 99
5.2.1 Lubricant and Hydraulic Oil
...............................................................................................................
99
5.2.2 Fuel
......................................................................................................................................................
99
5.2.3 Coolant in Cooling System
..............................................................................................................
100
5.2.4 Grease
................................................................................................................................................
100
5.2.5 Oil Storage
........................................................................................................................................
101
5.2.6 Filter Element
....................................................................................................................................
101
5.3 TIGHTENING TORQUE SPECIFICATION................................................................................................102
5.3.1 Tightening Torque for Bolts and Nuts
...........................................................................................
102
5.3.2 Tightening Torque Table of Hoses
.................................................................................................
102
5.4 ENGINE MAINTENANCE GUIDE............................................................................................................ 104
5.4.1 ADDING LUBRICATION GREASE..................................................................................................................104
5.4.2 Engine Oil
..........................................................................................................................................
104
5.4.3 Gear Oil
.............................................................................................................................................
105
5.4.4 Hydraulic System
..............................................................................................................................
105
5.4.5 Fuel System
.......................................................................................................................................
106
5.4.6 Air Filter
.............................................................................................................................................
107
5.4.7 Cooling System
.................................................................................................................................
107
5.4.8 Air Conditioning System
..................................................................................................................
108
5.4.9 DPF Regeneration
............................................................................................................................
109
5.4.10 Others
..............................................................................................................................................
113
5.4.11 Hoses
...............................................................................................................................................
114
5.4.12 Wearing Parts
.................................................................................................................................
115
5.4.13 Maintenance under Special Situation
..........................................................................................
115
5.4.14 Protective Measures for a Long Time Storage
...........................................................................
116
5.5 MACHINE MAINTENANCE SCHEDULE................................................................................................. 118
5.5.1 Daily Maintenance (Every 8 Hours)
................................................................................................
118
5.5.2 Maintenance in Running-in Period (First 50 Hours)
....................................................................
121
5.5.3 When Maintenance Required
.........................................................................................................
123
5.6 COMMON FAILURES AND SOLUTIONS............................................................................................... 135
5.6.1 Non- Failure
.....................................................................................................................................
135
5.6.2 Troubleshooting
...............................................................................................................................
136
6. SWE90UF TECHINIAL PARAMETERS....................................................................................................... 151
6.1 MACHINE SPECIFICATION..................................................................................................................... 151
6.2 DIMENSION............................................................................................................................................. 152
6.3 WORK PARAMETER
............................................................................................................................
153
6.4 CIRCUIT DIAGRAM..................................................................................................................................154
6.5 ELECTRICAL COMPONENTS TABLE...................................................................................................... 155
6.6 HYDRAULIC SCHEMATIC........................................................................................................................156
6.7 HYDRAULIC COMPONENTS TABLE...................................................................................................... 157

SWE90UF-2PB Operation & Maintenance Manual
6. 8 NOISE & VIBRATION DESCRIPTION.................................................................................................... 158
7. OPERATION INSTRUCTION OF ATTACHMENT.....................................................................................159
7.1 SAFETY NOTE.......................................................................................................................................... 159
7.2 NOTE FOR ASSEMBLING ATTACHMENT..............................................................................................159
7.3 ASSEMBLY PARAMETER OF ATTACHMENT.........................................................................................160
7.3.1 Assembly Size of Structural Parts
...................................................................................................
160
7.3.2 Pipeline Introduction
.......................................................................................................................
162
7.3.3 Pipeline Assembly Parameter
.........................................................................................................
163
7.4 HYDRAULIC HAMMER BREAKER........................................................................................................... 164
7.4.1 Main Use of Hydraulic Hammer breaker
.......................................................................................
164
7.4.2 Control of Hydraulic Hammer breaker
..........................................................................................
164
7.4.3 Operation Key Points of Hydraulic Hammer breaker
...................................................................
165
7.4.4 Safe Operation of Hydraulic Hammer Breaker
.............................................................................
166
7.4.5 Replacing Hydraulic Oil And Filter Element
..................................................................................
168
7.4.6 KEY POINTS FOR HYDRAULIC CLAMP BREAKER
..........................................................................
169
7.5 HYDRAULIC QUICK-CHANGE................................................................................................................170
7.5.1 Control of Hydraulic Quick-Change
..............................................................................................
170
7.6 OPERATION PROCEDURE OF ATTACHMENT CONTROL...................................................................171
7.7 OPTIONAL PARTS LIST........................................................................................................................... 172
8 MANUFACTURER INFORMATION............................................................................................................ 173

SWE90UF-2PB Operation & Maintenance Manual