YANGZI YZ-S3 User manual

安徽扬子工业科技有限
ANHUI YANGZI INDUSTRIAL TECHNOLOGY
YZ-S3
Floor Sweeper
instruction manual

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YZ-S3 Instruction Manual

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YZ-S3
Instruction Manual Instruction Manual
Content and purpose of the manual
Preservation of the manual
Other reference manuals
Confirmation information
The manual will provide customers with necessary information for safe, convenient
and correct use of the machine, including technical characteristics, operation methods,
machine storage, maintenance, spare parts and safety conditions. Before using the
machine, users and professional repair / maintenance technicians must read this manual
carefully and use the machine in strict accordance with the instructions in the manual.
If you have any questions or get more details, please consult the seller. The manual is
specially provided for users and professional repair / maintenance technicians. The
operator must have professional technical training, otherwise the manufacturer will not
be responsible for the loss caused.
The manual must be placed in a safe and readily accessible area near the machine, away
from liquids and other easily damaged places
The type and year of manufacture of the machine are shown on the back of the body
Spare parts and maintenance
All necessary operation, maintenance and repair procedures must be completed by
trained operators or after-sales service center. When you purchase accessories or need
maintenance from the seller, please tell us the machine model and body number in
detail.
Modification and improvement
Our company often improves our products and reserves room for expansion, but we
have no obligation to make new improvements to the products that have been sold. If
there is any change in the content, please contact our after-sales service department.

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YZ-S3 Instruction Manual
security
Content and purpose
The following symbols indicate potential hazardous situations. Read these instructions
carefully and take necessary precautions. The essence of the machine operation
manual is to prevent injury. Safety prevention without accidents is necessary. Most
accidents occur in the work, and do not pay attention to the basic safety rules. A careful
and careful user is the best guarantee against accidents, even better than some other
precautions. When using the machine, be sure to pay attention to the people around
you, especially children
Symbol description
DANGER!
This sign refers to a situation that is dangerous to the operator (even the risk of death).
Warning!
This sign refers to potential injury to personnel
look out!
This sign refers to caution or important related remarks or useful functions.
Note: please pay special attention to the above marks in the paragraph!
Detailed warnings and messages on the prevention of danger of injury to personnel
and machinery are shown below:
·Before any maintenance and repair, please turn the start switch to the off position
and remove the key from the main power switch.
·The machine must be used by qualified and authorized personnel. Children and
disabled persons are not allowed to use the machine.
·Keep the battery away from sparks, flames and smoke, which will exhaust gas during
normal operation. (refer to battery manual)

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YZ-S3
Instruction Manual Instruction Manual
·When using the machine, do not wear accessories, try to wear overalls.
·Do not work under the elevator if it is not secured.
·Do not use in dangerous, flammable or explosive gas, liquid or water vapor.
·This machine can clean general garbage. It is strictly forbidden to clean wire rope,
belt, high temperature sundries, ponding, inflammable or toxic and harmful
substances, so as to avoid winding, burning the main brush and side brush, so that
they can not work normally.
·Please keep loose clothes, hair, fingers and other parts of the body away from the air
vent and any moving parts of the machine.
·Remember to turn off the power when the machine stops.
·Do not use the machine where the slope exceeds the machine rating.
·Read the maintenance and repair instructions carefully before performing any
maintenance and repair operations
·Don't smoke while the battery is charging.
·Don't use the machine in very dirty areas. If the road garbage is thick, please repeat
sweeping twice or more.
·When using the machine, be careful not to cause injury to people, especially
children.
·Do not place containers containing liquids on the machine.
·The machine should be stored between - 10 ℃ and 40 ℃ .
·When using the machine, the temperature should be between - 10 ℃ and 40 ℃ .
·humidity should be between 30% and 95%.
·Do not use the machine as a means of transport.
·When the machine does not move forward, do not allow the brush to continue to
rotate to avoid damage to the ground.
·In case of fire, please remember to use powder fire extinguisher instead of water.
·Don't bump into the shelf where there is a risk of falling objects.
·Adjust the driving speed of the machine according to the adhesion of the ground.
·Do not change the safety guards of the machine; follow the maintenance instructions.
·Do not move or change the Yangzi name plate on the machine.
·When the machine operation fails, make sure that the failure is not caused by the
lack of regular maintenance. Otherwise, ask Yangzi maintenance service center for
help.
·If some parts need to be replaced, you can purchase spare parts from the original
manufacturer or authorized dealer.
·Ensure the proper operation and safety conditions of the machine. Professionals or
service centers must follow the maintenance section of this manual.
·Even if the machine is to be dismantled and scrapped, someone should pay attention
to it. Because some harmful substances (such as batteries, waste oil, etc.) have met the

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YZ-S3 Instruction Manual
·The machine installed with lead (wet) battery should not be tilted more than 30 °
above the horizontal ground, so that the high concentration of corrosive acid in the
battery will leak. The machine must be tilted during maintenance. Please remove the
battery.
Safety requirements for batteries
·The battery must be kept away from low voltage state and should be charged as soon
as possible;
·The battery is lead-acid maintenance free battery or lithium battery pack (optional);
·To avoid electric leakage, please keep the battery dry and clean, especially to remove
pollutants such as metal dust;
·It is forbidden to place metal parts (such as tools) on the battery to prevent the
battery from short circuit burning out;
·Please comply with local regulations when recycling batteries;
·It is forbidden to use open fire when handling and handling batteries;
·The charging room should be well ventilated;
·When the key switch is in the on position, it is forbidden to connect or remove the
battery;
·Before disassembling the battery, disconnect the negative (-) battery wire and then
the positive (+) battery wire. When rewiring, pay attention to the polarity of the
battery. ·Wrong connection will damage the electrical components;
·Avoid direct contact between positive and negative electrodes, as it may cause short
circuit of high current, high heat and even fire.
·When the battery is charged, it will produce explosive hydrogen, charge the battery
in a ventilated place, and keep the cover open and away from open fire.
General safety regulations
In addition to the provisions made in this manual, the general safety regulations and
accident prevention rules required must be observed. Even if you have used a similar
sweeper before, please read the manual carefully. Reading the instructions in advance
will save you a lot of time in the future. It is important for you to be familiar with all
the accessories and controls and their functions before you start to use them. Read this
manual thoroughly, so as not to be in a hurry when you turn it on.
The outer packing of the machine
standards, they should be sent to a specific Center for treatment.

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YZ-S3
Instruction Manual Instruction Manual
Sweeper performance
When the machine arrives, please carefully check whether the machine itself is
damaged. If the damage is obvious, please keep the outer packing box, so as to make a
damage declaration to the shipping company immediately.
Please check whether the machine contains the following items:
· sweeper manual
·Spare parts list of sweeper
·Parts of sweeper
·Starting key
·Certificate of conformity
·warranty
in order to avoid losing the key during transportation, we store the key in the plastic
bag in the instruction manual.
The sweeper must be operated by qualified operators on flat cement, asphalt, etc. to clean
(sweep and dust) the dirt or light garbage.
The positive position control of the machine (as shown in Fig. 1 and Fig. 2)
1. Key switch
2. Main brush button
3. Side brush button Figure 1
4. Power and voltage display
5. Charging port
6. Main brush height regulator
7. Main brush protection
8. Side brush protection Figure 2
9. Armrest adjuster
10. Side brush height adjuster
11. Dustbin handle
12. Dust shaking handle
Optional function (Figure 3)
13. Water inlet
14. Nozzle
1
2
3 4

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YZ-S3 Instruction Manual
Start the machine
The machine stops
·Turn the start key to the "on" position.
·Move the machine to the working area by pushing the push rod forward, backward
and turning.
·Press the main brush function button and side brush function button to position I to
start sweeping.
·If the working environment is poor, stop sweeping after a certain time interval (pull
the vibration handle).
·Check the amount of garbage in the dustbin and empty it in time.
·Please check the water quantity and add water in time.
Press the main brush and side brush function buttons to o position.
Turn the start key to the "off" position.
use
Every start
Start the machine
Insert the start key in the operation panel; turn the key switch to the "on" position.
Three seconds later, the meter will display the battery power value. If it is fully charged,
it will be displayed as 100%; if it is under charged, it will be displayed as 20%, please
charge it; otherwise, it will display the power grid memorized in the last shutdown.
Turn the start key to the "on" position.
Move the machine to the working area by pushing the push rod forward, backward and
turning.
Press the main brush function button and side brush function button to position I to
start sweeping.
If the working environment is poor, stop sweeping after a certain time interval (pull the
vibration handle).
Check the amount of garbage in the dustbin and empty it in time.
Please check the water quantity and add water in time.

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YZ-S3
Instruction Manual Instruction Manual
Precautions for machine operation
e machine stops
Press the main brush and side brush function buttons to o position.
Turn the start key to the "off" position.
Note: in the process of work, determine whether to start the vibration device
temporarily according to the amount of garbage on the ground to be cleaned.When the
filter is clogged or the dustbin is full, the machine cannot collect garbage. The dustbin
must be emptied after each operation. (if the dustbin is full at work, please empty it
immediately)
If the temperature is lower than 0 ℃ , please pay attention to drain the water in the box
to prevent freezing damage.
DANGER! Avoid stopping the machine and letting the brush roll for a long time in
the same place; this will leave unnecessary marks on the ground.
When collecting large garbage, please remember to lift the front wheel slightly before
moving forward. Pay attention to lifting it only for a short time.
In order to clean the machine well, the filter must be cleaned. Pull the dust vibrating rod
on the side of the dustbin for more than ten times to shake off the dust on the filter.
look out!When working, it is decided to clean the dust on the filter according to the
dirt in the cleaned area.
The dustbin must be emptied after each work and after it has been filled.
When the main brush and side brush are worn, the screw at the tail of the machine can
be adjusted to lower the main brush and side brush. It is not allowed to adjust it too
low. Clean it to avoid burning out the fuse.
(there is no need to adjust when cleaning for the first time. The staff of our company
have adjusted it)
empty trash
Push the sweeper to the bin dump.
Release the buckle and take out the dustbin (Fig. 5).
After cleaning the garbage, put the front of the dustbin on the rear baffle, and then lock
the buckle.
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YZ-S3 Instruction Manual
Preservation and maintenance of the machine
First use
Inspection and adjustment of main brush height
Installation and maintenance of side brush and main brush
If the machine will not be used within 30 days, follow the procedure below:
Keep the machine in a clean and dry place.
Disconnect the battery connector.
After the first use (the first 8 hours), it is necessary to check the following operations:
Check whether the connection and fastening parts are loose.
Check whether the visible parts are intact.
Check the main brush for excessive wear.
Warning! To carry out maintenance operations, the machine must be stopped (remove
the start switch key) and the battery must be removed if necessary. Therefore, please
read the safety section of the manual carefully.
When the sweeper leaves the factory, the height of the main brush has been adjusted to
be qualified. When it is used for a period of time, the main brush bristles on the ground
are worn. It is necessary to adjust the main brush. Rotate the right rotating handle of
the sweeper tail anticlockwise for about 2 mm, so that the main brush hair contacts the
ground by 3-5 mm. (Figure 6)
Note: please do not think that the longer the bristles contact the ground, the cleaner
the cleaning is! In fact, when the bristles contact the ground 3-5mm, the cleaning is the
most clean!
When the main brush is seriously worn and the rotary handle has been turned to the
last step, please open the front cover and adjust as follows:
Adjust the right rotary handle to the initial position; (Fig. 6)
Turn the nut 1 clockwise (Fig. 7) so that the main brush bristles contact the ground for
3-5mm;
Cover the front cover;
repeat the process for later use (main brush height check and adjustment 1).

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YZ-S3
Instruction Manual Instruction Manual
Main brush replacement
1. Remove the housing screws; (Fig. 8)
2. Loosen the left and right rocker arms of the main brush; (Fig. 9)
3. Remove the rocker arm;
4. Tilt up the machine and take out the main brush; (FIG. 10)
5. Take out the left and right heads of the main brush;
5. Install the left and right heads of the main brush onto the main brush, paying
attention to the same installation position as the left and right of the original main
brush;
6. Install the main brush on the sweeper and tighten the bolts; (FIG. 11)
7. Adjust the adjusting screw of the main brush to the position of the first use, so that
the bristles of the main brush contact the ground for 3-5mm;
8. Install the bumper and housing.
6
8
10
9
11
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YZ-S3 Instruction Manual
Be careful! Be careful!
Side brush replacement
Vibrating dust
Filter cleaning and integrity inspection (FIG. 15)
The hard brush or soft brush can be selected according to the ground conditions; when
replacing the main brush, it is better to wear gloves because it may be cut by the brush;
the running direction of the main brush is shown in Fig. 6, and the main brush should
be installed correctly as shown in the figure, and the pressure between the main brush
and the ground should be checked according to the description in relevant chapters.
The main function of the side brush is to use its own rotation to collect the garbage
from both sides to the middle, which is collected by the main brush into the dustbin.
The advantage of the edge brush is that it can sweep out the garbage at the edges and
dead corners and increase the cleaning area.
Use the machine on level ground and turn the machine start key to "off" position;
Lift up the machine and loosen the four bolts at the bottom of the brush plate (FIG.
13);
Replace with a new side brush;
Adjust the height of the side brush
according to the above section.
12 13
14
15
After the sweeper works continuously for a period of time, the
capillary hole of the filter is easy to be blocked. Please use the
dust vibrating function regularly
Pull the dust vibrating rod on the side of the dustbin about ten
times to shake off the dust on the filter. Figure 14
Use the machine on level ground, turn the machine start key
to the "off" position and remove the dustbin.
· scrape the bottom of the filter with a burr free bar.
Please pay attention to the following: do not use water or
detergent to clean it, the filter will be damaged.
Check the filter for cracks. If so, replace it.

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YZ-S3
Instruction Manual Instruction Manual
Be careful! Maintenance free battery charging (Figure 16)
Optional water adding function
Skirt height inspection and operation
16
17
After each use, when the warning light is on, charge the battery
to extend its life.
If you want to stop charging, you should first disconnect the
AC socket switch before disconnecting the DC socket.
After the charger is disconnected from the power supply,
the DC plug can be pulled out. Figure 16
DANGER! Do not touch the battery terminals and the pins of the DC plug.
When the water inlet with water is on the right side of the control panel (FIG. 17), it is
in reverse time
The needle rotates to open the water cap to add
water. Figure 17
Special attention: when the temperature is lower
than 0 ℃, the water in the water tank should be
drained after use.
1. Place the machine on a level ground suitable for checking the skirt height.
2. Turn the start key of the machine door to "off" position. Check the side skirt
3. Check the integrity of the side skirt.
4. Check whether the height between the side skirt and the ground is 0 ~ 3mm.
Check front / rear skirt
The front wheel of the sweeper is cocked up.
Check the front and back hems.
inspection
the front skirt gently touches the ground, but is not detached from the ground.
the height between the back skirt and the ground is 0-3mm.

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YZ-S3 Instruction Manual
Maintain
Maintenance scope
Machine life and operation safety must be ensured by proper routine maintenance
of the machine. The following is a list of routine maintenance requirements. Under
suitable working conditions, the maintenance interval can be changed, which must be
decided by the professional responsible for maintenance.
Warning! To carry out maintenance operations, the machine must be stopped
(remove the start switch key) and the battery must be removed if necessary.
erefore, please read the safety section of the manual carefully.
Service conditions:
Environmental temperature: - 10 ℃ - 40 ℃ ;
Relative humidity of air: 5% - 70%;
The environment without conductive dust and explosion hazard;
environment without corrosive metal gases or vapors;
Indoor use, ventilation, no vibration environment, front and back space at least 300
mm.
Note: other maintenance procedures are included in the maintenance schedule.
China Yangzi service center also has a detailed service manual.
Under the following conditions of use, no maintenance is required
Mechanical damage or failure caused by failure to carry out maintenance according to
the maintenance manual
The appearance or structure of the machine is obviously damaged due to improper
operation
Disassembly or modification without the approval of the original manufacturer
Damage due to weather or force majeure
Consumable parts (main brush / side brush / belt / pulley / filter screen, etc.)
The warranty period is over 1 year or the service life is more than 1500 hours

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YZ-S3
Instruction Manual Instruction Manual
Maintenance operation Delivery
time
Every 10
hours
Every
50
hours
Every
100
hours
Every
200
hours
Every
500
hours
Height adjustment inspection of
side brush and main brush
Whether the main brush and
side brush are wired and filament
wound
Cleaning and integrity inspection
of garbage filter screen
Fill in the oil hole
Main brush drive belt visual
inspection
Tightening inspection of screws
and nuts
Check the wear of main brush and
side brush
Main brush drive belt replacement
Skirt height and operation
inspection

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YZ-S3 Instruction Manual
Common problems and Solutions
Problem reason Treatment
Large leaves or large garbage
particles are leaked during
sweeping
Working too fast Reduce the working speed
Brush height Adjust brush height
The bristles are deformed or
entangled with filaments Remove the entanglement
The sweeper leaves dust on
the floor or dust from the
side shields
Filter clogged Clean the filter
Skin damage Check the baffle and replace
it if damaged
Cleaning is not thorough,
leaving paper scraps, leaves
or other garbage
The lifting height of front
bumper is not correct Adjust the skin guard link
The brush wears too fast The brush is pressed too
low Adjust brush height
Too much noise at work
The bristles are entangled
with filaments Remove the entanglement
The bearing is broken Replace the bearing
Brush overpressure Reduce brush pressure
The brush does not rotate
when it works The drive belt is damaged Replace the belt
Brush and fan motor do not
work Motor damage Replace the motor
The electric dust shaker
does not work
Excessive motor load Check and reduce the load
The switch is broken Replace the fuse
The fuse is burnt out Check and reduce the load
Motor damage Replace the motor
Bearing wear Replace the bearing
The brush can work
normally and cannot run
normally
Problems of controller, fuse,
drive motor, governor and
brake switch
Check the input and output
voltage, alarm signal,
indicator light, fuse, drive
motor and connecting
circuit.

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YZ-S3
Instruction Manual Instruction Manual
The car can't move forward
or backward
Pedal governor damaged Replace the governor
Brake pedal position fault
Reset the brake pedal
and check if it is in good
condition
Brake switch failure Replace the brake switch
Controller damage Replace the controller
The battery doesn't charge
Charger does not work Check the charger input
power
The battery is burnt out Replace the battery
Charger Check whether there is
output of charger
Loose battery terminals Check and tighten the
battery terminals
Battery discharging too fast
Insufficient charging time Increase charging time
The battery is burnt out Replace the battery
Charger damaged Replace charger

Warranty Card
Inspection Certificate
Model Motor Accessories
Power cable Switch Shell
Suction Control Fuselage
Function Manual Package
Number：
Number：
Name Tell
Mailing address
Purchase time Bill
number
Product number Fuselage
number
Replacement
parts Date
Fault description:
Warranty conditions:
1. Within the date of purchase, the motor is guaranteed for one year (if it is more than 7 days from the date of
purchase, no replacement, only warranty).
2. Before using the equipment, you must understand the instructions and safety instructions.
3. During the warranty period, the artificial damage of warranty accessories will not be guaranteed.
4. During the warranty period, users who do not follow the operation instructions or dismantle and repair by
themselves will not be guaranteed. (if repair is needed, the cost of production will be charged)
5. The buyer shall take the invoice to the place designated by the seller for repair, or send the machine back to our
company for repair. (return freight, insurance paid by yourself)