KEN STONE XN10-8 User manual

XN10-8
Operation Manual
Applicable model number
XN10-8
Please read this manual and fully
understand its content before proceeding
with the operation, inspection and
maintenance of this machine

Safety Warning Signs
includes
This sign denotes a safety warning.
The information behind the sign
important safety information.
Please read and understand this information to
prevent personal injuries or deaths.
The machine owner or employer is responsible
for instructing every operator to operate all
equipment correctly and safely in detailed
manner. All personnel operating this machine
shall sufficiently understand the contents of this
manual.
Before operating the machine, all operation
personnel must receive the guidance on related
functions of excavator.
Before operating this machine in a working site,
learn and practice how to use the machine
controls correctly in a safe and spacious place.
The improper methods during operations,
checking, and maintenance of machine will
result in injuries or deaths.
Before any operation, checking, or maintenance
of machine, please read and understand this
manual.
Please always carry this manual with you. It’s
preferable to preserve this manual on the
machine. If this manual is lost or damaged,
please immediately order a new manual from a
dealer. At the transfer of this machine, please
ensure to hand this manual over to the new
owner.
The machine supplied by Ken stone Heavy
Machinery conforms to the local standards and
specifications of the country exported. If your
machine is purchased from other country or
from an individual or company of other country,
this machine is probably not installed with the
safety devices or safety standards required for
the operations of this machine in your country. If
you have any doubt on the compliance of your
machine with the relevant standards and
regulations in your country, please contact a Ken
stone dealer.

The safety information on this manual and
machine identifications is indicated by words
“Danger”, “Warning”, and “Notice”. The
meanings of these signal words are as below:
Danger
“Danger” denotes high dangerous level, for
which the negligence will result in death or
serious injury.
Warning
“Warning” denotes medium danger level, for
which the negligence will probably result in
death or serious injury.
Notice
0-1
“Notice” denotes low danger level, for which
the negligence will result in minor or medium
injuries.
Important: The word “Importance” is intended
to alert the operation and maintenance
personnel of the possible damages of machine
and its components.
It’s impossible for us to predict all possibly
existed dangers. Therefore, the warnings in this
manual or on this machine can’t cover all
possible accidents. Therefore, during the
operations of machine, ensure to take cautions
and abide by all conventional safety measures
to prevent harms to machine, operation
personnel, or other personnel.
Signal Words

Introduction
Foreword
This manual describes the operations, checking,
and maintenance of this machine and the safety
descriptions to be observed during operations.
Should you have any doubt, please contact a
dealer or service provider of Ken stone Heavy
Machinery.
●In some details, this manual probably
differs from the manual attached on the
machine in use.
●Please be noted that the information
contained in this manual and the
parameters of machine are subject to
changes without further notice.
The manual is in the circular manual
box behind the seat
Serial number
Important: Do not disassemble the machine
nameplate with serial number. Observe the
serial numbers of machine and engine and
record them in the blank area below.
Machine No.:
Engine No.:
0-2

Front, Rear, Left, and Right
The front, rear, left, and right of the machine
indicated in this manual are based on the status
sitting in the driver seat, with the bulldozing
blade visible in the front.
0-3
Designated Operations
This machine is mainly applied for following
operations:
●Digging
●Ditching
●Side ditching
●Leveling
●Loading
Product Features
●Small size, flexible operation
●Can be equipped with a variety of
attachments
●Track width "flexible machine width
structure"
Run-in period
For the first 100 hours of the new machine (as
indicated by the timer), please follow the
instructions below:
Using the new machine without run-in will
deteriorate acceleration performance and
probably shorten the life of machine.
●Sufficiently warm up the engine and
hydraulic oil.
●Avoid heavy-load and rapid operations.
Maintain the load at approximately 80% of
maximum load capacity during operations.
●Do not start, accelerate, steer, or stop
suddenly, unless it’s really necessary.
Front
Left Right
Rear
Introduction

Notes about Reading of This
Manual
Please be noted that the descriptions and
graphics contained in this manual probably are
not applicable for your machine in use. The
numbers in graphics are marked by circles. The
same numbers in the descriptions are marked in
parentheses. (For instance: ①→(1))
Signs used in this manual
The meanings of the signs used in this manual
are as below.
, …. Prohibition
……. Lock
……Unlock
0-4
Noise and vibration
A-Weighted emission sound pressure level at
the operator's position measured according to
work cycle procedures specified in “ISO
6396 “ is 78dB(A), The hands and arms are
exposed to a weighted root mean square
acceleration that is less than 2.5 m/s2.
The body is exposed to a weighted root mean
square acceleration that is less than 0.5 m/s2.
Measurements are obtained on a
representative machine using the procedures
in the following
standards: ''ISO 2631-1" ''ISO 5349-1" ''ISO
5349-2"
Introduction

0-5
Signal words...................................0-1
Introduction...................................0-2
Safety..............................................1-1
General Precautions ......................................1-2
Precautions during Preparations....................1-8
Safety Measures at Start..............................1-10
Operation Precautions .................................1-12
Precautions for Parking...............................1-22
Precautions during Transport ......................1-23
Precautions for maintenance.......................1-25
Safety Signs .......................................................1-35
Controls...........................................2-1
Component Name............... ............................2-2
Start key, Maintenance cover.........................2-4
Fuse case, Fuel filling port.............................2-5
Seat................................................................2-6
Electrical control panel...................................2-8
Switches........................................................2-10
Joysticks and Pedals......................................2-11
Accessory......................................................2-14
Operations...................................... 3-1
Before Start of Operations..............................3-2
Start and Stop of Engine.................................3-3
Operations of Machine....................................3-6
Operating Procedures....................................3-14
Parking of This Machine...............................3-23
Treatment in Cold Weather...........................3-25
Handling of Rubber Tracks...........................3-26
Transportation..................................4-1
Loading and Unloading...................................4-2
Lifting of Machine...........................................4-4
Fixing of Machine............................................4-6
Maintenance....................................5-1
Overview..........................................................5-2
Service Data.....................................................5-4
Critical Safety Parts.......................................5-11
Maintenance List...........................................5-13
Walk-Around Checking.................................5-15
Daily routine checking (Every 10h)..............5-17
Every 50h......................................................5-23
Every 250h...................................................5-28
Every 1000h..................................................5-33
Every 1500h..................................................5-35
Every 2000h..................................................5-36
As necessary...................................................5-37
Maintenance during Long-Time Parking......5-44
Troubleshooting................................6-1
Symptoms that are not malfunctions.............6-2
No Battery Power.............................................6-3
Burnout of Fuse................................................6-5
Restart after Refueling.....................................6-7
Flashing of Warning Lamps............................6-8
Other Symptoms..............................................6-9
Towing...........................................................6-11
Contents

0-6
Parameters.......................................7-1
Basic Parameters.............................................7-2
Overall Dimensions.........................................7-3
Operating Range..............................................7-4
Lifting power..................................................7-5
Optional products...........................8-1
General Safety Measures ..............................8-2
Precaution..........................................................8-5
Hydraulic Breaking Hammer ........................8-6
Optional products.........................................8-11
Parts number position..................................8-13
Contents

Safety
1-1

Safety
General Precautions
General Precautions
You are liable to abiding by the safety laws
and regulations of relevant departments and
fulfilling the operations, checking, and
maintenance of machine.
As a matter of fact, all accidents are caused by
the non-compliance with basic safety rules and
precautions.
Most accidents can be avoided by authenticating
the potential dangers in advance.
Please read and understand all safety
information related to the prevention of
accidents. Please ensure to operate the machine
only after you have understood how to operate,
check, and maintain the machine correctly.
Abiding by All Safety Regulations
1-2
●The machine must be operated, checked,
and maintained by trained and qualified
personnel.
●During the operations, checking, and
maintenance of machine, ensure to
understand and abide by all rules,
regulations, precautions, and safety
measures.
●Do not operate, check, or maintain the
machine under the adverse influence of
alcohol, drug, medicine, or fatigue or
under sleepy status.
Upon detection of machine abnormality
During the operations, checking, or
maintenance of machine, upon detection of any
machine abnormality (Such as noise, vibration,
smell, abnormal instrument, smoking or oil
leakage, error warning indication, and abnormal
display of electric control panel), immediately
notify a sales or service dealer and take
appropriate measure. Do not operate the
machine before the abnormality is solved.
Operating Temperature Range
To maintain the performances and prevent the
earlier wear of machine, please abide by the
following operating conditions.
●Do not operate the machine when the
outside temperature is more than+45℃ or
less than-15℃
The operations under+45℃ outside
temperature will probably result in engine
overheating and deteriorated engine
performance. In addition, the hydraulic oil
will probably become really hot to harm
the hydraulic devices.
The operations under 15℃ outside
temperature will probably harden the
rubber parts (Such as gaskets) and cause
earlier wear or damage of machine.
To operate the machine under the

Safety
General Precautions
condition beyond above-mentioned outside
temperature range, please consult with
your sales or service dealer.
Wearing Appropriate Clothing and
Protective Appliances
●Do not wear loose clothing or wear
decorative articles that will probably hitch
to any joystick or motion part.
●Do not wear oil or fuel contaminated
clothing that is easily vulnerable to fire.
●As per the requirements of working
environment, wear safety shoes, safety
helmet, safety goggles, filtration mask,
thick gloves, ear flaps, and other protective
appliances. During the use of grinding
miller, breaking hammer, or compressed
air, please wear appropriate protective
appliances, such as safety goggles and
filtration mask, as the splashing of metal
cause serious harms.
●Please use the hearing protection devices
during the operations of machine.
Exposure to a high noise environment for
a long time will result in harm or even
complete loss of hearing.
Installation of Fire Extinguisher and
First-Aid Kit
Fulfill the preparations for fire and accident.
chippings or other objects will probably
1-3
●Install the fire extinguisher and first-aid kit
and learn how to use them.
●Learn how to extinguish fire and handle
accident.
●Know how to contact emergency aid and
fabricate the emergency contact list.

Safety
General Precautions
●Please ensure that all guardrails, shelters,
and doors are installed properly and
securely. Before operating the machine,
please repair or replace damaged parts.
●Know how to use safety lock handle, seat
belt, and other safety devices and
understand the correct operation methods.
●Do not disassemble any safety device,
unless for the purpose of checking and
repair. Always keep all safety devices
under good working condition.
Setup of Signaler and Flagman
Learn how to use the gestures of specific
responsible for making gestures.
●All personnel must completely understand
all gestures.
●The operator must respond to the gestures
of designated person only. However, the
operator must abide by the stop gesture
made by anyone in all cases.
●The signaler must stand in a clearly visible
place while making the gestures.
Precautions for Standing up from or Leaving
Driver Seat
●Before standing up from the driver seat to
open/close windows or disassemble/install
the lower window, lower the working
device onto the ground, lift up and lock the
safety lock handle, and stop the engine.
When the safety lock handle is lowered
down (Unlocked), the accidental touch of
any joystick will result in sudden
movement of machine and cause serious
operation needs and designate the person injuries or deaths.
1-4
No Disassembling of Safety Devices

Safety
General Precautions
●Please be noted that, even if the safety
lock handle is placed at locking position,
the bulldozing blade, boom, and auxiliary
hydraulic controls can’t be locked.
Do not touch such controls accidentally.
●While lifting up or lowering down the
safety lock handle, take cautions not to
touch any joystick.
Before leaving the driver seat, lower the
working device onto the ground, lift up the
safety lock handle to locking position, and stop
the engine. Meanwhile, ensure to withdraw the
key, close the doors and hoods, and carry the
key with you and then preserve it in a
designated place.
Guard against Fire and Explosion Dangers
Keep fuel, lubricating oil, grease, and antifreeze
away from flame. The fuel is especially
inflammable and really dangerous.
1-5
●Handle these inflammable away from
ignited cigarette, match, lighter, and other
flame or fire source.
●Do not smoke or use open fire while
handling fuel or performing the operations
of fuel system.
●Do not leave the operation site while
filling fuel or lubricating oil.
●Do not disassemble the fuel tank cap or
refuel while the engine is running or is not
cooled down. In addition, do not splash
fuel to any machine hot surface or
electronic system part.
●Immediately clean the overflown fuel or
lubricating oil thoroughly.
●Check for leakage of fuel and lubricating
oil. Please eliminate the leaks and clean
the machine before operations.
●Please move the inflammable to a safe
place before polishing or welding
operations.
●Do not cut or weld any pipeline or pipe
that probably contains inflammable liquid.
Please clean thoroughly by non-
inflammable solvent before cutting or
welding.
●Remove all wastes and impurities from
machine. Ensure that there is no oil
contaminated rag or other inflammable on
the machine.
●Handle all solvents and dry chemicals

Safety
General Precautions
(Foam fire extinguisher) as per the
manufacturer’s procedures indicated on
the containers. Operate in a well-ventilated
place.
●Never use fuel for cleaning purpose.
Always use non-inflammable solvent.
●Please open doors and windows for
thorough ventilation during the handling
of fuel and the cleaning of oil stain or
paint.
●Preserve all inflammable liquids and
materials in a safe and well-ventilated
place.
●The short-circuit of electric system will
probably result in fire. Daily check the
wire connections for looseness and
damage. Re-tighten loose connectors and
cable clamps. Repair or replace damaged
wires.
●Fire accident caused by pipelines: Ensure
that the clamps, protection devices, and
cushion pads of hoses and pipes are
securely fixed. In event of looseness, the
hoses and pipes will be damaged due to
vibration or contact with other parts during
operations. This will probably result in
spray of high pressure oil to cause fire
accident or harms.
Toxic Exhaust Gas from Engine
●Do not operate the engine in an enclosed
place with poor ventilation.
●If the natural ventilation is not possible,
install ventilation fan, fan, extended
exhaust pipe, or other ventilation device.
1-6
Handling of Asbestos Powders
The inhalation of asbestos powders will
probably cause lung cancer. While handling the
materials probably containing asbestos, take the
following safety measures:
●Do not sweep by compressed air.
●Avoid polishing or grinding
asbestos-contained parts.
●During cleaning, use a vacuum device
installed with high-efficiency particulate
air filter (HEPA).
●If there is no other method for control of
powders, please wear the specified
respirator. During indoor operations,
please install a ventilation system with
polymer filter.

Safety
General Precautions
Be careful to avoid crushing or cuts
Never place your hand, foot, or other body parts
between the superstructure and chassis or tracks,
between machine body and working device, or
between cylinder and motion parts. During
movement of machine, these clearances will
change to probably cause serious injuries or
deaths.
1-7
Use of Accessories
●Please consult with Ken stone company
before installing accessories. Based on the
attachment types and their combinations,
the attachments will probably come into
contact with the cab or other machine parts.
Before use, ensure that the installed
accessories will not come into contact with
other parts.
●Do not use any attachment not approved
by Ken stone company. Otherwise, it will
probably endanger the safety or cause
adverse influence on operations or life of
machine.
●Ken stone company will not be liable for
any injury, accident, or product damage
arising from the use of non-approved
attachments.
No Modification to Machine
The non-authorized modifications to the
machine will cause injuries or deaths.
All non-authorized modifications are prohibited
for any part of machine.
●During operations, the non-authorized
personnel are prohibited to access the
working zone.
●Please strictly abide by the rules and
environmental standards applicable for this
working zone.

Safety
Precautions during Preparations
Precautions during Preparations
Understanding of working zone
Before starting operations, understand the
situation of working zone to ensure safety.
●Check the terrain and ground situation of
working zone. For indoor operations,
check the building structure and when
necessary take safety measures.
●Ensure to keep away from dangers and
obstacles such as water ditch, underground
pipelines, trees, cliffs, overhead cables,
and roads with falling stone or landslide
danger.
●Check the positions of underground gas
pipelines, water pipelines, and electric
cables together with administrator. If
necessary, discuss with administrator to
determine the detailed safety measures to
be taken to ensure safety.
●During operations on road, ensure to take
the safety of pedestrians and vehicles into
consideration.
Use a signaler and/or signals.
Isolate the working zone against the access
of non-authorized personnel.
●Before operations in water or driving
through shallow rivers, check the water
depth, ground firmness, and flow rate in
advance.
Understand more operation description
information with reference to the “Precautions
during Operations”
Checking of Bridge Strength
Please check the permissible load before
driving on bridges or structures. If the strength
is insufficient, reinforce the bridges or
structures.
1-8

Safety
Precautions during Preparations
Always Keeping Clean Machine
●Eliminate all loose objects and
unnecessary devices in the machine.
●Wipe away lubricating oil, grease, mud,
snow, and ice, in order to prevent accident
due to slip.
●Remove dusts, lubricating oil, and grease
from engine portion to prevent fire
accident.
●Clean the area around operator's seat and
remove all unnecessary objects from the
machine.
Daily Checking and Maintenance
The failure to find out or repair the
1-9
abnormalities or damages of machine will cause
accidents.
●Before operations, fulfill the designated
checking and when necessary repair
immediately.
●In event of operation failure due to
malfunction or engine malfunction,
immediately stop the engine as per stop
procedure and park the machine securely,
till the malfunction is repaired.
Precautions within Cab (If installed)
●Before entering the cab, remove the mud
and oil/grease from the shoe bottoms.
Operating the machine pedals with shoe
bottoms affixed with mud and oil/grease
will result in accidents due to slip.
●Do not place any part or tool around the
driver seat.
●Do not place any plastic bottle in the cab
or install any sucker on window glasses.
The plastic bottle or sucker can play a lens
role to probably cause fire accident.
●Do not use a mobile phone during
traveling or operations.
●Do not bring any inflammable or explosive
into cab.
●Do not leave a lighter in the cab. The
lighter will probably explode along with
the rise of room temperature.

Safety
Safety Measures at Start
Safety measures when starting
Support your body weight by three-point safety
posture while getting on/off the machine.
●Do not jump on or off the machine. Do not
attempt to get on or off a moving machine.
●Before getting on or off the cab, firstly
open the door completely to locking
position and check and ensure that the door
can’t move further(For machine with cab).
●Face towards the machine, get on/off the
footplates, and grab the handrail to support
your weight by three-point safety posture
(Hands and feet).
●Do not use safety lock handle or any
joystick as handrail.
Before starting machine, keep all
non-authorized personnel away from this zone
Start the engine only after the safe start is
confirmed by checking the following items.
●Walk around the machine and alert the
repair personnel and the personnel walking
around the machine. Start the engine only
after it’s confirmed that there is no person
around the machine.
●Check for warning sign “No Operation” or
similar sign affixed on cab door, control, or
starter switch. If present, do not start
engine or touch any joystick.
●Sound the horn to alert the personnel
around machine.
Sit in the driver seat and start the engine.
●Adjust the seat till it’s securely locked.
●Fasten the seat belt.
●Check whether the parking device is
1-10
Danger
Stop operation

Safety
Safety Measures at Start
actuated and all joysticks and pedals are in
neutral.
●Check whether the safety lock handle is at
locking position.
●Ensure there is no person near the machine.
●Start and operate the machine only in
driver seat.
●Do not attempt to start the engine by short
circuiting the terminals of starter device.
Start by Jumper Cable
Start by jumper cable only as per the
recommended method. The improper use of
jumper cable will result in battery explosion or
unexpected machine motions.
Please refer to “In event of no battery power” to
understand more operation description information.
After Start of Engine
After the start of engine, fulfill following
operations and checking in a place without
personnel or obstacle. Upon detection of any
malfunction, stop the engine as per the
procedure and report malfunction.
Warm up the engine and hydraulic oil.
Check all instruments and warning devices for
normal functioning.
Check for presence of noise.
Test the engine speed control.
Operate all control devices to ensure normal
functioning.
For Cold Weathers
Take cautions that the frozen ground, footplates,
and handrails are slip. Under cold weathers, do
not touch any metal part of machine by bare
hands. Your skin will be frozen on metal part to
cause serious injuries.
Do not use ethyl ether or starting fluid on the
engine. The starting fluid can cause explosion
and serious injuries or deaths.
Warm up the engine and hydraulic oil.
Operating joysticks without warm-up will result
in slow or inappropriate reaction or movement
of machine to cause accident.
1-11

Safety
Operation Precautions
Operation Precautions
Operating Machine with Maximum Track
Width
Always operate the machine with extended
track width of 950mm, in order to improve the
machine stability to the maximum extent.
Operating the machine with narrow track width
(800mm) will probably result in rollover of
machine due to poor stability.
If it’s necessary to operate the machine with
narrow track width (800mm), retract the bucket
working device and lower the boom to reduce
the gravity center and face the machine towards
front before traveling.
Guarantee of Good Visibility
Checking of Visibility before Operations of
Machine
During operations in a dark place, turn on the
working lamp and headlamp of machine and
when necessary install additional lighting
devices. In event of poor visibility due to severe
weathers (Such as fog, snow, rain, and haze),
stop the operations of machine till the visibility
turns good.
Clean the windows, mirrors, lamps, and camera
to keep good visibility. Adjust the mirrors and
camera to optimal positions to ensure that the
driver sitting in the driver seat can see the rear
view (Blind spot).
The non-authorized modification or the
installation of non-approved attachments will
probably impair the visibility. The operator’s
visibility must conform to the requirements of
ISO 5006.
Do not carry people on the machine
All personnel are prohibited to sit on any part
of machine at any time during traveling or
operations of machine.
1-12