SUNWARD SWE18UF Manual

I
SWE18UF
Crawler-type Hydraulic Excavator
Operation & Maintenance
Manual
Sunward Intelligent Equipment Co., Ltd.
July, 2020

OPERATION & MAINTENANCE MANUAL SWE18UF
II
FOREWORD
This manual provides rules and guidelines which will help you use this machine safely and
effectively. The precautions in this manual must be followed at all times when performing
operation and maintenance. Most accidents are caused by the failure to follow fundamental
safety rules for the operation and maintenance of machines. Accidents can be prevented by
knowing beforehand conditions that may cause hazard when performing operation and
maintenance.
Operators and maintenance personnel must always do as follows before beginning operation or
maintenance.
Always be sure to read and understand this manual thoroughly before performing operation
and maintenance.
Read the safety message given in this manual and the safety labels affixed to the machine
thoroughly and be sure that you understand them fully.
This manual should be considered as a permanent part of your machine. If you sell the
machine, be sure to give this manual to the new owners together with the machine.
Only original spare parts procured from Sunward are to be used. To use parts of poor quality
will be detrimental to machine’s overall performance.
All operation described in this instruction manual should be carried out exclusively by trained
and qualified staff.
This machine is designed in metric system and the sizes provided in this manual are metric,
therefore, please only use parts and tools in metric system.
Sunward guarantees maintenance to our customers. Please refer to guarantee certificate which
you have obtained from our distributors for maintenance concerns. With a guarantee certificate,
you are entitled to get maintenance from Sunward. In some cases even beyond maintenance
period, Sunward provides maintenance on the spot, which is usually free of charge. However, if
machine is abused or kept in overloading operations or its performance is changed beyond our
original regulations, compensations for maintenance will be unavailable and service on the spot
will probably be refused.
All the information including charts and specifications in this manual is the latest that we can
get. We reserve the right to make without prior notice any modification or amendment to
machine component.
Sunward Intelligent Equipment Co., Ltd.

OPERATION & MAINTENANCE MANUAL SWE18UF
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TABLE OF CONTENTS
1. SAFETY RULES.....................................................................................................................................................1
1.1 SAFETY MARKS..............................................................................................................................................1
1.2 SAFETY LABELS .............................................................................................................................................1
1.3 GENERAL SAFETY INSTRUCTIONS............................................................................................................1
1.4 PREPARATION FOR EMERGENCIES ...........................................................................................................2
1.5 WEARING PROTECTIVE DEVICES...............................................................................................................2
1.6 CHECKING BEFORE START-UP....................................................................................................................2
1.7 ADJUSTMENT OF OPERATOR’S SEAT........................................................................................................2
1.8 CORRECT ENTERING/LEAVING THE MACHINE......................................................................................2
1.9 CORRECT START-UP OF ENGINE................................................................................................................2
1.10 FORBIDDING CARRYING PASSENGERS..................................................................................................3
1.11 KEEPING MACHINE AWAY FROM POWER TRANSMISSION LINE.....................................................3
1.12 MOVING MACHINE SAFELY ......................................................................................................................3
1.13 PREVENTING ACCIDENTS WHILE BACKING OR SWINGING..............................................................3
1.14 SAFE EXCAVATION WORK ........................................................................................................................4
1.15 AVOID ACCIDENTS CAUSED BY CONTROL FAILURES.......................................................................5
1.16 PARKING MACHINE SAFELY.....................................................................................................................5
1.17 SAFE MAINTENANCE ..................................................................................................................................5
1.18 SUPPORTING MACHINE SAFELY ..............................................................................................................6
1.19 REMOVING RUBBISH FROM MACHINE...................................................................................................6
1.20 PREVENTING BATTERY EXPLOSION.......................................................................................................7
1.21 STORING PARTS SAFELY............................................................................................................................7
1.22 PREVENTION OF SPLASHING OBJECTS...................................................................................................7
1.23 PREVENTION OF FLYING-OUT PARTS.....................................................................................................7
1.24 KEEPING AWAY FROM TRANSMISSION PARTS....................................................................................7
1.25 PREVENTING ASBESTOS DUST INHALATION........................................................................................7
1.26 BEWARING OF INHALATION OF SMOKE OR EXHAUST GAS .............................................................8
1.27 BEWARING OF SCALD.................................................................................................................................8
1.28 BE CAUTIOUS OF HIGH PRESSURE LIQUIDS..........................................................................................8
1.29 AVOIDING HEATING NEAR PRESSURE OIL PIPES ................................................................................9
1.30 AVOIDING HEATING PIPES CONTAINING FLAMMABLE LIQUIDS....................................................9
1.31 REMOVING PAINT BEFORE WELDING OR HEATING ...........................................................................9
1.32 SAFE DISPOSAL OF LIQUIDS......................................................................................................................9
1.33 SAFE DISPOSAL OF CHEMICALS.............................................................................................................10
1.34 FIRE PREVENTION......................................................................................................................................10
1.35 NOISE & VIBRATION DESCRIPTION.......................................................................................................11
1.36 OTHER SAFETY MARKS............................................................................................................................11
2. ABOUT MACHINE..............................................................................................................................................14
2.1 POSITION OF MACHINE COMPONENTS...................................................................................................15
2.2 CAB..................................................................................................................................................................16

OPERATION & MAINTENANCE MANUAL SWE18UF
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2.3 MONITOR........................................................................................................................................................17
2.4 ROCKER SWITCH ..........................................................................................................................................18
2.5 START-UP SWITCH .......................................................................................................................................19
2.6 RADIO..............................................................................................................................................................19
2.7 SEAT.................................................................................................................................................................20
2.8 PILOT SAFETY LEVER..................................................................................................................................21
2.9 ENGINE ACCELERATOR SPEED CONTROL LEVER................................................................................22
2.10 PILOT OPERATION......................................................................................................................................22
2.11 AIR DUCT HOOD AND COVERING PARTS..............................................................................................24
2.12 DECALS.........................................................................................................................................................25
3. MACHINE OPERATION....................................................................................................................................26
3.1 MACHINE WORKING ENVIRONMENT......................................................................................................26
3.2 RUNNING-IN OPERATION ...........................................................................................................................26
3.3 OPERATING ENGINE ....................................................................................................................................27
3.3.1 Daily Inspection.........................................................................................................................................27
3.3.2 Diesel Engine Inspection...........................................................................................................................28
3.3.3 Electrical Device .......................................................................................................................................28
3.3.4 Air Filter....................................................................................................................................................28
3.3.5 Oil Level in Hydraulic Oil Tank ................................................................................................................28
3.3.6 Before Starting Engine...............................................................................................................................29
3.3.7 Starting Engine..........................................................................................................................................29
3.3.8 Start Engine in Cold Weather....................................................................................................................30
3.3.9 Adjusting Engine Rev.................................................................................................................................30
3.3.10 Stopping Engine.......................................................................................................................................30
3.3.11 Using Auxiliary Battery...........................................................................................................................31
3.4 TRAVEL CONTROL .......................................................................................................................................32
3.4.1 Control Travel with Pedal .........................................................................................................................32
3.4.2 Travel with Handle Control.......................................................................................................................33
3.4.3 Travel Speed ..............................................................................................................................................34
3.4.4 Travel Brake ..............................................................................................................................................34
3.4.5 Key Points of Travelling............................................................................................................................34
3.5 EXCAVATION ................................................................................................................................................37
3.5.1 Working Status...........................................................................................................................................37
3.5.2 Composite Movement of Excavator...........................................................................................................38
3.5.3 Slewing Platform Brake.............................................................................................................................38
3.5.4 Key Points for Excavation .........................................................................................................................38
3.5.5 Excavator Parking.....................................................................................................................................39
3.5.6 Operation on Swampy Ground..................................................................................................................41
3.5.7 Lifting One Side of Crawler by the Boom and Arm...................................................................................41
3.5.9 Operation in Water or Mud.......................................................................................................................42
3.5.10 Backhoe Operation..................................................................................................................................42
3.5.11 Leveling Operation..................................................................................................................................43
3.5.12 Preventing Collapse.................................................................................................................................43
3.5.13 Operation Tips.........................................................................................................................................43

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3.5.14 Prevent Misuse of Machine......................................................................................................................44
3.5.15 Position of Dozer Blade...........................................................................................................................45
3.5.16 Prevention Measurement for Dozer Blade...............................................................................................45
3.5.17 Be Careful when Retracting Front Working Device................................................................................45
3.5.18 Don’t Allow Dozer Blade to Touch Roadblock........................................................................................46
3.6 LOAD LIFTING...............................................................................................................................................46
3.7 HYDRAULIC BREAKING OPERATION.......................................................................................................47
3.8 BOOM SWING.................................................................................................................................................49
4 MAINTENANCE...................................................................................................................................................50
4.1 CORRECT MAINTENANCE AND INSPECTION PROCEDURE................................................................53
4.1.1 Periodic Maintenance................................................................................................................................53
4.1.2 Checking Hour Meter Frequently..............................................................................................................53
4.1.3 Using Fuel and Lubricant Correctly..........................................................................................................54
4.1.5 Engine Maintenance..................................................................................................................................54
4.1.6 Periodic Replacement of Hydraulic Hose..................................................................................................54
4.2 MAINTENANCE GUIDE................................................................................................................................56
4.2.1 Adding Lubricant Grease...........................................................................................................................56
4.2.2 Engine Oil..................................................................................................................................................57
4.2.3 Gear Oil.....................................................................................................................................................59
4.2.4 Fuel Oil System..........................................................................................................................................61
4.2.5 Hydraulic System.......................................................................................................................................65
4.2.6 Air Filter....................................................................................................................................................70
4.2.7 Cooling System ..........................................................................................................................................72
4.2.8 Others ........................................................................................................................................................76
4.2.9 Maintenance in Special Situation..............................................................................................................82
4.2.10 Protection for Long Term Storage...........................................................................................................84
5. TRANSPORTATION AND STORAGE.............................................................................................................85
5.1 GENERAL TRANSPORTATION INSTRUCTIONS......................................................................................85
5.2 TRANSPORT PARAMETERS ........................................................................................................................85
5.3 LOADING &UNLOADING............................................................................................................................86
5.4 TRANSPORTATION.......................................................................................................................................87
5.5 TRANSPORTATION ON HIGHWAY............................................................................................................87
5.6 LIFITING MACHINE ......................................................................................................................................87
5.7 LONG-TERM STORAGE OF MACHINE.......................................................................................................88
6. TROUBLE SHOOTING ......................................................................................................................................89
7. TECHNICAL PARAMETERS............................................................................................................................92
7.1 PARAMETERS................................................................................................................................................92
7.2 TECHNICAL INSTRUCTIONS......................................................................................................................94
7.3 DIMENSION &WORK PARAMETERS ........................................................................................................97
8. APPENDIX............................................................................................................................................................99
8.1 ELECTRICAL SCHEMATIC ..........................................................................................................................99

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8.2 ELECTRICAL COMPONENT LIST..............................................................................................................100
8.3 HYDRAULIC SCHEMATIC .........................................................................................................................101
8.4 HYDRAULIC COMPONENT........................................................................................................................102
9 OPERATION INSTRUCTION OF ATTACHMENT......................................................................................103
9.1 SAFETY NNOTE ..........................................................................................................................................103
9.2 NOTE FOR ASSEMBLING ATTACHMENT...............................................................................................103
9.3 HYDRAULIC HAMMER BREAKER...........................................................................................................104
9.3.1 Main Use of Hydraulic Hammer breaker................................................................................................104
9.3.2 Control of Hydraulic Hammer breaker ...................................................................................................104
7.3.3 Operation Key Points of Hydraulic Hammer breaker.............................................................................106
9.3.4 Safe Operation of Hydraulic Hammer Breaker.......................................................................................107
9.3.5 Replacing Hydraulic Oil And Filter Element ..........................................................................................109
9.4 KEY POINTS FOR HYDRAULIC CLAMP BREAKER...............................................................................110
9.5 OPTIONAL PARTS LIST ..............................................................................................................................111
9. MANUFACTURER INFORMATION..............................................................................................................112

OPERATION & MAINTENANCE MANUAL SWE18UF
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The safety rules in this chapter only include
the general safety rules of machine. It’s
impossible to cover all the possible dangers.
If there is any problem, please report to your
superior before operation and maintenance.
1. SAFETY RULES
1.1 SAFETY MARKS
Figure on the right side is the mark to remind of safety, when you
see this mark on the machine or in the manual book; it indicates
that the human body is in danger of injury.
1.2 SAFETY LABELS
There are various labels at various points of machine, in
these labels, various words indicate various hurt risks, such
as “DANGER”, “WARNIGN”, “CAUTION” etc.
(as right figure), the meaning is as below:
1) DANGER—indicates an imminently hazardous
situation which, if not avoided, could result in
death or serious injury.
2) WARNING—indicates a potentially hazardous
situation which, if not avoided, could result in
death or serious injury.
3) CAUTION—indicates potentially
hazardous situation which, if not
avoided, may result in minor or
moderate injury.
“DANGER”, “WARNING” safety labels
are stuck at given points of machine
within the range of possible danger.
General attentions listed on the
“CAUTION” safety label. In this manual
book, “CAUTION” also reminds of safety
instruction.
1.3 GENERAL SAFETY INSTRUCTIONS
(1) Study the manual carefully and follow the safety
instructions in the labels and manual before
operating the machine.
(2) Always keep the safety labels clean. Change any
lost or damaged label with a new one. If the labels
or manual book are lost, you can contact dealer and
indicate the model of machine to purchase a new
one.
(3) Only qualified operator is permitted to operate this machine. Keep the machine in good

OPERATION & MAINTENANCE MANUAL SWE18UF
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condition as per this manual.
(4) Don’t refit machine without authorization, otherwise it
will affect the performance and service life of machine, or
may cause human body hurt or even death.
1.4 PREPARATION FOR EMERGENCIES
All concerned people should be cautious so as to
prevent accident from occurring, and at the same time,
deposit first-aid kit and fire extinguisher nearby, and place
the phone numbers of hospital and fire department near
telephone to ask for help in case of emergency.
1.5 WEARING PROTECTIVE DEVICES
Before operation, always wear protective articles
when the work requires, they include:
Skintight work clothes
Hard hat
Safety gloves
Safety glasses, goggles, or mask
Respirator or filtration mask
Earplug or ear cap
1.6 CHECKING BEFORE START-UP
Before starting machine every day or every shift,
check the machine according to the contents in “Checking
before start-up” in this manual.
1.7 ADJUSTMENT OF OPERATOR’S SEAT
If you use this machine for the first time, or change
operator, the operator should adjust seat to make back
leaning against the seat and the feet operating the pedals at
ease. (Refer to 2.5 seat adjustment for details)
1.8 CORRECT ENTERING/LEAVING THE
MACHINE
Always face the machine when you use the steps and
hand-holds to enter or leave machine.
Never use any control lever as hand-hold.
Never enter or leave machine when the machine
travels, swings, or digs (lifts).
1.9 CORRECT START-UP OF ENGINE
The operator must sit on cab seat to start engine. Not allow
starting engine with the operator standing on crawler.
Not allow starting engine with short circuit start-up (including

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terminal start-up).
1.10 FORBIDDING CARRYING PASSENGERS
When the machine is operating or traveling, prohibit other people except operator staying
on the machine.
1.11 KEEPING MACHINE AWAY FROM POWER TRANSMISSION LINE
Any part or load of machine touching electricity
transmission line will cause human death or GBH.
Prohibit machine or its load being close to electricity
transmission line, the machine should be 3 meters away
from line.
1.12 MOVING MACHINE SAFELY
Before the machine travels and swings, operator
should know the position of other people.
When machine travels or before it swings, operator
should warn other people by honking the horn.
Operation at confined area should use signal in
swinging, and harmonize the hand signal before
machine start-up.
Before operating the machine traveling, the operation
of traveling pedal/control lever should be
corresponding with the traveling direction.
Step on the foreside of traveling pedal or push
traveling lever forward, and the machine will travel
along tension wheel. By contraries, the machine will
travel along sprocket wheel.
When machine travel on a slope, place bucket as
figures, keep bucket 200-300mm above the slope
ground, if the machine slides or becomes unstable,
lower the bucket at once.
1.13 PREVENTING ACCIDENTS WHILE BACKING OR SWINGING
In order to prevent accident while backing or
swinging, the operator must follow:
Before back or swing the machine, look round and
confirm nobody is around.
Ensure that other people stand out of the boom swing
range.
Pay attention to that whether other people stay in
work range or not. Honk the horn or use other signals
to warn before moving the machine.

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If the operator’s vision is blocked when the machine
backs, a signalman is needed and the signalman
should always be seen.
If signalman is needed, he or she should use hand
signals. Only when both signalman and operator
understand the meaning of signal, the operator can
operate the machine traveling and swinging.
Understand all the meanings of flag, mark, and signal,
and determine the person who is in charge of
signaling.
Keep the cleanness of window, mirror, and lamp.
When the visibility is weakened by dust, rain, and
fog, etc, lamp should be used.
Please read carefully and understand well the
operation contents of this manual book.
1.14 SAFE EXCAVATION WORK
Before excavation, operator should be aware of the
position of the embedded lines, such as cables, gas
pipes, water supply pipes, and operate the machine
carefully to prevent accidents.
All the non-working people should be away from the
working range of machine.
Make sure the ground of working site is hard enough
to support machine.
When the machine works at pithead, the tension
wheel end should be outward pithead, keeping the
traveling orientation vertical with pit cliff. In this
way, the machine can move away easily when the
cliff collapses.
When the machine works in deep spot, you should
prevent the boom bottom and cylinder from colliding
with high objects.
Turn over prevention
When the machine works on slope, the track should
be parked along the slope, retract the bucket as much
as possible, keep the bucket close to ground and
machine to avoid turning over.
When rotating with load, speed should be decreased
to avoid turning over. When working on frozen
ground, you should prevent the ascending
temperature from causing the ground to soften,
otherwise it will affect the stability of machine.

OPERATION & MAINTENANCE MANUAL SWE18UF
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During operation, prevent boom or arm from
colliding with high objects.
The bucket is only for excavation, do not allow using
bucket to work as a pneumatic pick or a hydraulic
breaker.
1.15 AVOID ACCIDENTS CAUSED BY CONTROL FAILURES
When the machine loses control, if someone
tries to mount on or stop machine, it will cause GBH
or death.
To avoid the machine losing control, pay attention to
the following aspects:
Place the machine on horizontal ground, try your best
not to stay on slope, and stop machine as following
procedures:
Lower the bucket to the ground.
Run engine at low revs for 3 minutes to cool down
machine.
Stop engine, take out key from key switch.
Switch off pilot control.
If the machine has to stay on a slope, use chocks to
block crawler, lower bucket, and plug bucket teeth
into ground.
Fix the machine well to avoid accidental movement.
Park the machine away from other machines at a
proper distance.
1.16 PARKING MACHINE SAFELY
Stop machine as following steps:
Place the machine on horizontal ground.
Lower the bucket to the ground.
Run engine at low speed without load for 3 minutes.
Place the timing handle at stop position, screw the
ignition key to “OFF” position.
Switch off the pilot control lever.
Close window, top window, and cab.
1.17 SAFE MAINTENANCE
Notes for maintenance:
Before working, be aware of maintenance rules.
Keep the working area clean and dry.
Don’t allow lubricate or maintain a moving machine.
Avoid body and clothes touching with transmission

OPERATION & MAINTENANCE MANUAL SWE18UF
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parts.
Preparation before maintenance
Place the machine on horizontal ground.
Lower the bucket to the ground.
Run engine at low speed without load for 5 minutes.
Pull stop handle forward, stop engine, take out key
from the switch.
Hang “DO NOT OPERATE” label at control lever.
Switch off pilot control.
Safety for maintenance
If maintenance must be made during engine
operation, there must be somebody in the cab.
If the machine must be lifted, then the angle between
boom and arm must be kept between 90-110°to support
the lifted parts stably for maintenance.
Never work under the machine being lifted by boom.
Check some parts in regular interval, repair or replace,
if necessary. (refer to chapter “maintenance” in this
manual)
Make sure all parts are in good condition and fitted
correctly. Replace worn or damaged parts. Clean any
accumulative lubricant or scraps.
When adjusting electric system or welding on
machine, disconnect grounding cable (negative pole)
of battery.
1.18 SUPPORTING MACHINE SAFELY
Prohibit repairing or maintaining machine before the
machine is well supported.
Before maintenance, lower the working device to the
ground.
If the machine or work device have to be lifted for
maintenance purpose, the machine or work device
should be well supported.
Don’t support the machine on the slag, hollow brick,
or other fragile objects.
Don’t work under machine when it is only supported
by a jack.
1.19 REMOVING RUBBISH FROM MACHINE
Keep the engine, radiator, battery, hydraulic line, fuel
tank, and cab clean.
After stopping engine, the surrounding temperature
may rise immediately. Open access door to cool

OPERATION & MAINTENANCE MANUAL SWE18UF
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engine as soon as possible and clean engine
apartment.
Clean machine at regular interval, eliminate
accumulative lubricant and other trash. Make sure
not to spray water or vapor into cab.
1.20 PREVENTING BATTERY EXPLOSION
Prohibit fire or flame close to the battery top,
otherwise the battery gas will explode.
Check the electricity deposit with voltage meter or
gravimeter. Don’t place metal bestriding connection
rod to check electricity deposit.
Never charge the frozen battery, otherwise it will
explode. The battery should be warmed up to 16°C
(60°F).
1.21 STORING PARTS SAFELY
The stored parts, such as bucket, hydraulic breaker,
etc, are likely to fall down, causing GBH or death.
By all effective means, store parts and machine
safely to avoid falling down. Don’t permit
unauthorized people, especially children being
closed to the parts storage area.
1.22 PREVENTION OF SPLASHING OBJECTS
Prevent splashing metal or grits hurt, blinkers or
safety glass should be put on.
Before knocking on objects, check whether
somebody else is in the working area or not, and
stop other people from entering the working area to
avoid hurt.
1.23 PREVENTION OF FLYING-OUT PARTS
In operation or maintenance, take care of the parts
that may fly off, avoid possible flying off parts to human
body and face.
1.24 KEEPING AWAY FROM TRANSMISSION PARTS
Touching transmission parts may cause GBH.
When working around the transmission parts, in
order to avoid accidents, prevent hands, feet, hair
and clothes from entangling in the machine.
1.25 PREVENTING ASBESTOS DUST INHALATION
Prevent inhaling possible asbestos dust, for the

OPERATION & MAINTENANCE MANUAL SWE18UF
8
asbestos fiber may cause lung cancer.
Some washers contain asbestos fiber, in these
components, normally, the asbestos is in the resin or
enveloped in some way. If the asbestos-contained
parts don’t bring dust, there isn’t danger in normal
disposal.
To avoid causing dust, don’t clean with compressed
air, and avoid brushing and grinding
asbestos-contained materials. In maintenance work,
please wear regulated respirator, use special dust
collector to clean asbestos. If you can’t get this dust
collector, use little oil or water to be moistened
asbestos-contained material. Comply with working
area rules and concerned asbestos disposal rules,
stop other people from entering working area.
1.26 BEWARING OF INHALATION OF SMOKE OR EXHAUST GAS
Inhaling engine exhaust gas will cause disease, so
much as, or death.
If it is necessary to operate machine in the building,
open door and window to ensure well ventilation, or
use long exhaust pipe to discharge smoke.
1.27 BEWARING OF SCALD
During operation, engine oil, gear oil, hydraulic oil
will become hot. Meanwhile, engine, hose, pipeline,
and other parts will also become hot. Beware of
scalding.
Carry out inspection and maintenance after oil and
parts are cooled to prevent scalding. The hydraulic
oil tank and pipeline are high pressured, before
maintenance or replacement, release the pressure to
avoid hot oil erupting.
1.28 BE CAUTIOUS OF HIGH PRESSURE LIQUIDS
Effluent liquids in high pressure can penetrate
through skin, causing GBH.
Release pressure before disjoining liquids or other
pipeline to avoid this danger. Operate control lever
many times to release pressure.
Before supercharging, tighten all the connections.
Inspect leakage with cardboard, make sure to protect
your hand and body against touching high pressure

OPERATION & MAINTENANCE MANUAL SWE18UF
9
liquids
If accident occurs, see the doctor at once.
Any liquid penetrated in skin must be cleaned within
a few hours. Otherwise it will cause necrosis.
1.29 AVOIDING HEATING NEAR PRESSURE OIL PIPES
If heating up near pressure oil pipe, the inflammable
spray will cause severe burn to the nearby people.
Don’t carry out welding, gas protection welding, or
gas cutting near pressured oil pipe or other
flammable goods.
If welding, gas protection welding, or gas cutting
near pressure oil pipes is necessary, temporary
fireproof jacket should be put on to protect hose or
other materials.
1.30 AVOIDING HEATING PIPES CONTAINING FLAMMABLE LIQUIDS
Not permit welding inflammable liquid steel pipe or
hose. Before welding this kind of pipe or hose, clean this
pipe or hose completely with incombustible solvent.
1.31 REMOVING PAINT BEFORE WELDING OR HEATING
Prevent bringing potential poisonous gas and dust.
When paint is heated up by welding or by other
methods, it will cause poisonous gas.
Remove paint as following methods before welding
or heating up.
Rub out paint with abrasive paper or wheel, during
this work, remember to wear regulated respirator to avoid
inhaling dust.
Rub out paint with solvent or paint remover. After
rubbing out, clean paint remover with soap and water
before welding. Before welding or heating up, volatilize
the paint remover gas at least 15 minutes.
The paint removing work should be operated outdoor
or at well ventilation sites.
1.32 SAFE DISPOSAL OF LIQUIDS
All fuels, the majority of lubricants, and some
coolants are inflammable. These inflammable liquids
should be stored away from fire, do not permit
stabbing or setting storage case on fire.
Dispose of fuel carefully, stop engine before adding
fuel, prohibit smoking while adding fuel or using
flame near the machine being added fuel. Add fuel at
outdoor site.

OPERATION & MAINTENANCE MANUAL SWE18UF
10
Don’t put oil-containing rags on machine to ensure
machine is clean.
1.33 SAFE DISPOSAL OF CHEMICALS
Touching deleterious chemical directly will cause
serious injury to human body. The chemical used in
excavator, such as lubricant, coolant, dope, and adhesive,
may be deleterious.
Before using deleterious chemical, you should check
and understand its danger, know how to operate safely,
and use recommended implement to work.
1.34 FIRE PREVENTION
In order to avoid fire, following methods are
necessary.
Check leakage, the leakage of fuel, hydraulic oil and
lubricant may cause fire.
Inspect clamps whether lost, damaged or loosened or
not, hose twisted or not, attrition between hose and hard
pipe or not, oil cooler damaged or not, and oil cooler
connection loosened or not. Use a piece of cardboard to
check leakage, never check leakage with nude hand to
prevent pressured oil from shooting up causing injury.
Tighten, repair, or replace any clamps, pipe, hose,
oil cooler, and flange bolt of oil cooler.
Don’t twist or knock on high-pressured pipe.
Don’t assemble twisted or damaged pipeline or hose.
Inspect short circuit. The short circuit of electric
system can cause fire.
Before every shift or 8-hour operation, check
loosened, twisted, hardened, or cracked cable and wire.
Before every shift or 8-hour operation, check lost or
damaged connectors.
Before operation, tighten, repair, or replace any
loosened or damaged cable, wire and connector. If the
cable or wire is loosened or twisted, don’t operate the
machine.
Repair switch
Before everyday operation, check the function of
key switch and engine emergency stop switch. If there is
any abnormal, repair at once. In case of fire, if you can’t
stop engine, it will aggravate firepower, and may cause
GBH.
Clean out inflammable materials

OPERATION & MAINTENANCE MANUAL SWE18UF
11
Spilled fuel, stored breeze, and other inflammable
materials may cause fire. Keep the machine clean every
day to prevent fire.
1.35 NOISE & VIBRATION DESCRIPTION
According to ISO3744 & ISO6395, the machine fulfills the requirements of the Directive 2000/14/EC and the
directive 2005/88/EC, the description about noise and vibration are as below:
Noise at operator’s position：LpA = 93.7 dB;
Machine noise：LWA= 92.7dB
Seat shock absorption:
Excavator status
Engine rev./Mode
Vibration accelerated speed m/s²
Under the
operator seat
On the cab floor
Engine runs without load
1300rpm
0.17
0.10
1500rpm
0.07
0.13
1700rpm
0.07
0.14
1900rpm
0.11
0.19
2100rpm
0.08
0.15
2300rpm
0.08
0.19
1.36 OTHER SAFETY MARKS
warning：Please do not get near to the machine when it is being operated.
Warning: Please do not get near to the machine when machine working equipment is being
operated.
Warning：Please stop engine before opening engine hood.

OPERATION & MAINTENANCE MANUAL SWE18UF
12
Warning：Please stay away from the loader arm clearance area.
Warning：Please stay away from the rotating area.
Warning：Pay attention to machine’s lift capacity in operation.
Lift
height
（m）
Radius (max.)
Radius(3.0m)
Radius(2.5m)
Radius(2.0m)
Right
ahead(kg)
Side
(kg)
Right
ahead
(kg)
Side
(kg)
Right
ahead(kg)
Side
(kg)
Right
ahead
(kg)
Side(kg)
2.5m
243.60*
252.30*
243.60*
252.30*
-
-
-
-
2.0m
261.00*
252.30*
234.90*
247.95*
-
-
-
-
1.5m
261.00*
202.50
269.70*
265.35*
274.05*
278.40*
-
-
1.0m
269.70*
191.25
304.50*
300.15*
352.35*
361.05*
469.80*
482.85*
0.5m
291.45*
183.75
334.95*
247.50
426.30*
315.00
613.35*
461.25
0m
308.85*
195.00
374.10*
225.00
469.80*
292.50
617.70*
378.75
―0.5m
313.20*
206.25
378.45*
221.25
491.55*
292.5
326.25*
356.25
―1.0m
330.60*
225.00
330.60*
225.00
430.65*
273.75
352.50*
352.50*
Remark:
1) The load marked with “*”is restricted by the hydraulic capacity based on the standard of
ISO10567, in which mentioning related load should not be over than 87%of the hydraulic
capacity.
2) The load without “*”is restricted by the tipping load based on the standard of ISO10567B,
in which mentioning related load should not be over than 75% of anti-tipping capacity.
3) Bucket, lift hook and other attachments are not included in this table.

OPERATION & MAINTENANCE MANUAL SWE18UF
13
Radius
Lift point
Lift height
Swing center

OPERATION & MAINTENANCE MANUAL SWE18UF
14
2. ABOUT MACHINE
Note: The above weight figures are measured with the following five requirements: 1. Diesel oil
tank is full (diesel oil instrument displays full); 2. Hydraulic oil is enough; 3.Water tank
antifreeze fluid is enough; 4. Sealing plate is assembled; 5. Driver’s weight is not included
Model
Development
code no.
Swing
Rubber/steel track
Cab
Weight（Kg）
SWE18UF
720
equipped
rubber track
canopy
1880
18