SUNWARD SWE155F Manual

I
SWE155F
Crawler-type Hydraulic Excavator
Operation & Maintenance
Manual
Sunward Intelligent Equipment Co., Ltd.
July, 2020

OPERATION & MAINTENANCE MANUAL SWE155F
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.
SUNWARD cannot predict any kind 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.
The forbidden usages or operations that mentioned in this manual cannot be engaged in any
circumstances.
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.
Please contact SUNWARD or agents for the updated information or the information problem
concerned in this manual.
Sunward Intelligent Equipment Co., Ltd.

OPERATION & MAINTENANCE MANUAL SWE155F
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Table of Contents
1 SAFETY RULES ........................................................................................................................................6
1.1 SAFETY LABELS...........................................................................................................................7
1.1.1 Location of Safety Labels......................................................................................................7
1.1.2 Safety Labels Instructions .....................................................................................................3
1.2 GENERAL SAFETY RULES........................................................................................................14
1.2.1 Observing Safety Rules.......................................................................................................14
1.2.2 Understanding Safety Label ................................................................................................15
1.2.3 Emergency Protection..........................................................................................................15
1.2.4 Protective Articles ...............................................................................................................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 for 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..............................................................................................................17
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..................................................................................................................18
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 Bewaring of Inhalation of Smoke or Exhaust Gas ............................................................22
1.2.28 Be Careful Of High Pressure Liquids................................................................................23
1.2.29 Safe Disposal of Liquids....................................................................................................23
1.2.30 Safe Disposal of Chemicals...............................................................................................23
1.2.31Waste Material Disposal.....................................................................................................24
1.2.32 Prohibition of Unauthorized Modification on Machine ....................................................24
1.3 SAFE OPERATION INSTRUCTIONS .........................................................................................24
1.3.1 Inspection before Starting Engine .......................................................................................24
1.3.2 Correct Engine Start-up.......................................................................................................25
1.3.3 Starting Engine in Cold Weather .........................................................................................25
1.3.4 Safe Operation.....................................................................................................................26
1.3.5 Operation on Slopes ............................................................................................................26

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1.3.6 Operation on Snowy Ground...............................................................................................27
1.3.7 Avoid Tipping-Over.............................................................................................................27
1.3.8 Preventing Accidents While Backing or Swinging..............................................................28
1.3.9 Avoiding Accidents Caused By Control Failures ................................................................29
1.3.10 Moving Machine Safely ....................................................................................................29
1.3.11 Safety Rules during Traveling ...........................................................................................30
1.3.12 Traveling on Slopes...........................................................................................................30
1.3.13 Safety Rules during Towing ..............................................................................................31
1.3.14 Machine Transportation.....................................................................................................31
1.3.15 Parking Machine................................................................................................................32
1.4 SAFETY MAINTENANCE INFORMATION ..............................................................................33
1.4.1 Using Warning Signs...........................................................................................................33
1.4.2 Parking Machine Prior to Maintenance...............................................................................33
1.4.3 Safety Maintenance Rules ...................................................................................................34
1.4.4 Tips for Using a Hammer ....................................................................................................35
1.4.5 Precautions of Welding and Polishing.................................................................................35
1.4.6 Avoiding Heating Pipes Containing Flammable Liquids.....................................................35
1.4.7 Avoiding Heating near Pressure Oil Pipes...........................................................................36
1.4.8 Removing Paint Before Welding or Heating.......................................................................36
1.4.9 Attachments.........................................................................................................................36
1.4.10 Maintenance Precaution of Track Tension Mechanism.....................................................37
1.4.11 Safety Rules for High-pressure Oil....................................................................................37
1.4.12 Safety Operation for High-pressure Hoses........................................................................38
1.4.13 Accumulator ......................................................................................................................38
1.4.14 Preventing Accumulator Explosion...................................................................................39
1.4.15 Waste Disposal...................................................................................................................39
2 TRANSPORTATION AND STORAGE....................................................................................................40
2.1 TRANSPORT.................................................................................................................................41
2.1.1 General Transport Instructions ............................................................................................41
2.1.2 Transport Specification........................................................................................................41
2.1.3 Loading or Unloading with a Trailer ...................................................................................42
2.1.4 Loading................................................................................................................................43
2.1.5 Tying Down the Machine ....................................................................................................44
2.1.6 Unloading............................................................................................................................44
2.1.7 Lifting Machine...................................................................................................................45
2.2 STORAGE......................................................................................................................................46
2.2.1 Before Storage.....................................................................................................................46
2.2.2 During Storage.....................................................................................................................47
2.2.3 After Storage........................................................................................................................47
3 OPERATION.............................................................................................................................................48
3.1 MACHINE ASSEMBLY DRAWING............................................................................................49
3.2 CONTROL DEVICE INSTRUCTIONS........................................................................................50
3.2.1 Control Device Illustration..................................................................................................50
3.2.2 Pilot Safety Lever................................................................................................................51
3.2.3 Travel Control Lever ...........................................................................................................52

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3.2.4 Air Condition Control Panel................................................................................................53
3.2.5 Multifunction Monitor System............................................................................................54
3.2.6 Right Pilot Control Handle..................................................................................................74
3.2.7 Horn Switch.........................................................................................................................74
3.2.8 Dozer Blade Control............................................................................................................75
3.2.9 Left Pilot Control Handle....................................................................................................75
3.2.10 One-key Idling Switch.......................................................................................................75
3.2.11 Starting Switch...................................................................................................................76
3.2.12 Throttle Control Knob .......................................................................................................76
3.2.13 Work light Switch..............................................................................................................77
3.2.14 Wiper Switch .....................................................................................................................77
3.2.15 Washer Switch ...................................................................................................................77
3.3 OTHER OPERATION INSTRUCTIONS......................................................................................79
3.3.1 Cab Windows.......................................................................................................................79
3.3.2 Cover and Hood with Lock .................................................................................................82
3.3.3 Cigar Lighter .......................................................................................................................84
3.3.4 Radio ...................................................................................................................................84
3.3.5 Seat86
3.3.6 Fuse .....................................................................................................................................87
3.3.7 Air Conditioner Instruction..................................................................................................88
3.3.8 Accumulator ........................................................................................................................94
3.4 MACHINE OPERATION AND CONTROL.................................................................................96
3.4.1 Operator’s Position..............................................................................................................96
3.4.2 Setting and Adjustment........................................................................................................96
3.4.3 Work Mode Selection ..........................................................................................................97
3.4.4 Inspection before Starting Engine .......................................................................................97
3.4.5 Engine Start-up....................................................................................................................98
3.4.6 New Machine Running-in .................................................................................................100
3.4.7 Machine Preheating in Cold Weather................................................................................101
3.4.8 Safety Operation Rules......................................................................................................102
3.4.9 Machine Traveling.............................................................................................................104
3.4.10 Machine Steering.............................................................................................................105
3.4.11 Upper-structure Swing.....................................................................................................107
3.4.12 Work Equipment..............................................................................................................107
3.4.13 Work ................................................................................................................................108
3.4.14 Emergency Stop for Boom ..............................................................................................113
3.4.15 Parking Machine..............................................................................................................113
3.4.16 Machine Stop and Emergency Stop.................................................................................114
3.4.17 Prohibited Operations......................................................................................................115
4 MAINTENANCE....................................................................................................................................117
4.1 MAINTENANCE INFORMATION ............................................................................................118
4.1.1 Maintenance Instruction and Inspection Procedure...........................................................118
4.1.2 Daily Inspection Prior to Start-up......................................................................................118
4.1.3 Checking Hour Meter Frequently......................................................................................119
4.1.4 Preparation Work Prior to Maintenance ............................................................................119

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4.1.5 Correct Use of Fuel and Lubricant ....................................................................................119
4.1.6 Checking Discharged Grease and Used Filter Element.....................................................119
4.1.7 Checking after Inspection and Maintenance......................................................................120
4.1.8 Electrical System Maintenance..........................................................................................120
4.1.9 Hydraulic System Maintenance.........................................................................................120
4.2 OIL, COOLANTAND FILTER...................................................................................................122
4.2.1 Lubricant and Hydraulic Oil..............................................................................................122
4.2.2 Fuel....................................................................................................................................122
4.2.3 Coolant in Cooling System................................................................................................123
4.2.4 Grease................................................................................................................................123
4.2.5 Oil and Fuel Storage..........................................................................................................123
4.2.6 Filter Elements...................................................................................................................123
4.2.7 Fuel and Coolant Specifications........................................................................................124
4.3 TIGHTENING TORQUE SPECIFICATION...............................................................................125
4.3.1 Tightening Torque Table for Bolts and Nuts......................................................................125
4.3.2 Tightening Torque Table for Hoses....................................................................................126
4.4 MAINTENANCE SCHEDULE...................................................................................................127
4.4.1 Adding Lubrication Grease................................................................................................127
4.4.2 Engine Oil..........................................................................................................................128
4.4.3 Gear Oil.............................................................................................................................129
4.4.4 Hydraulic System ..............................................................................................................130
4.4.5 Fuel System.......................................................................................................................131
4.4.6 Air Filter ............................................................................................................................131
4.4.7 Cooling System .................................................................................................................132
4.4.8 Air Conditioning System...................................................................................................132
4.4.9 Other..................................................................................................................................132
4.4.10 Hoses ...............................................................................................................................134
4.4.11 Wearing Parts Table.........................................................................................................135
4.4.12 Maintenance in Special Situation ....................................................................................136
4.5 MACHINE MAINTENANCE INTERVAL .................................................................................137
4.5.1 Daily Maintenance (Every 8 Hours)..................................................................................137
4.5.2 Maintenance in Initial 50 Hours of Running-in Period .....................................................140
4.5.3 If Maintenance is Needed..................................................................................................146
4.5.4 Every 50 Hours Maintenance ............................................................................................152
4.5.5 Every 100 Hours Maintenance ..........................................................................................152
4.5.6 Every 250 Hours Maintenance ..........................................................................................153
4.5.7 Every 500 Hours Maintenance ..........................................................................................156
4.5.8 Every 1000 Hours Maintenance ........................................................................................157
4.5.9 Every 2000 Hours Maintenance ........................................................................................162
4.6 GENERAL TROUBLE SHOOTING...........................................................................................163
5 TECHNICAL SPECIFICATION.............................................................................................................169
5.1 SW155F TECHNICAL SPECIFICATION...................................................................................170
5.1.1 Machine Specification.......................................................................................................170
5.1.2 Dimension..........................................................................................................................171
5.1.3 Work Parameters................................................................................................................172

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5.1.4 Electrical Schematic..........................................................................................................173
5.1.5 Electrical Components.......................................................................................................174
5.1.6 Hydraulic Schematic..........................................................................................................175
5.1.7 Hydraulic Components......................................................................................................176
5.1.8 Noise & Vibration Description..........................................................................................176
6 NOTE FOR SAFETY .............................................................................................................................177
7 MANUFACTURER INFORMATION....................................................................................................180

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1 SAFETY RULES
Warning
Please thoroughly read and completely understand all precautions described in this manual or safety
labels. Follow all instructions when operating or servicing this machine.

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1.1 SAFETY LABELS
1.1.1 Location of Safety Labels
Fully understand the correct position and contents of safety labels in this machine.
To ensure that the content of labels can be read properly, be sure that they are in right place and
always keep them clean. When cleaning them, do not use solvents or gasoline. It may cause
labels to peel off.
There are also other labels in addition to warning labels. Handle these labels in the same way.
In case the labels are damaged, lost or not legible, replace them with new ones. For details of
the part number, refer to parts manual or actual label, and place an order with SUNWARD or
our authorized distributors.
Actual position of safety labels in the machine

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1.1.2 Safety Labels Instructions
(1) Safety Operation Label
Please read all safety precautions carefully written in
labels and all information concerning safety, prior to
operate machine.
Maintenance frequently and replace safety label if
required. In case that safety labels or manual are
damaged or lost, you can place an order with our
distributors. The procedure of ordering them is
identical with that of the other parts and components.
You must specify model of the machine when
ordering.
Use only trained and qualified personnel to operate
this machine. Follow all safety precautions and
instructions in this manual to keep your machine in
good condition.
Do not alter or modify machine rashly, this may
impair function and effect service life or jeopardize
personal safety.
Caution: all safety information described in this
manual covers only basic safety information of this
machine. It’s not possible to predict every
circumstance which might involves potential hazards.
So it’s necessary to ask for instruction from your
superior before attempting any operation or
maintenance procedure.
(2) Engine Operation Label
Diesel engine inspection
Stop machine on level ground, inspect engine oil level
(stop engine for longer than 15 minutes to allow
engine oil to go back to the bottom), inspect dipstick
to make sure oil level must be between the lines of
“MIN” and “MAX”. For engine maintenance