LESP SJ860 User manual

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SJ860 Driving floor
scrubber
User’s manual

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This manual provides the necessary machine operation and maintenance instructions.
Please read and understand this manual before operating or using this machine.
When ordering replacement parts, refer to the parts manual that came with your machine. Before
selecting parts or accessories, please determine your machine model and serial number. You can
order parts and accessories from any authorized service center or distributor by phone or post.
This machine can provide excellent service. If you can do the following, you will get the best
results at the lowest cost:
● Operate the machine carefully and carefully.
● Regularly maintain the machine in accordance with the maintenance instructions provided in the
operator's manual.
● Use original factory or parts of the same grade for repairs
Machine data
Please fill in at the time of installation for future reference.
Model number -
Machine serial number -
Machine option -
Sales representative-
Sales representative phone -
Customer number-
Installation date -

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Contents
Precautions······························ ··4
Machine operation indication························6
Receiver··································7
Unpacking the machine···························7
Installing the battery···························8
Machine cleaning method··························8
Brush and scouring pad information·····················9
Machine installation······················ ·····9
Attaching squeegee assembly ························9
Installation brush / scouring pad·····················9
Machine operation·····························9
Check before operation··························10
Operating machine·····························10
During the operation of the machine····················10
Battery Electricity Meter·························11
Water tank drainage····························11
Emission of sewage tanks··························11
Discharged water tanks···························11
Battery Charging······························11
Machine Maintenance····························12
Daily maintenance·······························12
Monthly maintenance·····························12
Quarterly maintenance····························13
Transportation machine····························13
Storage Machine·······························13
Troubleshooting································14
Machine parameters·····························15

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Precautions
This machine is suitable for industrial and commercial use. It is specially used for cleaning hard
floors in the room and cannot be used for other purposes. Always use the recommended scouring
pads and brushes, as well as commercially available floor cleaners for this machine.
All operators must read, understand and follow the safety precautions listed below.
The following is a description of the safety alert symbols used in this manual and the title 「For
Security」:
WARNING: Use to warn of a risk or serious unsafe operation that could result in serious
personal injury or death.
For your safety: Indicate the things you must follow when using the machine to ensure safety.
Failure to follow the warnings listed below may result in personal injury, electric shock, fire or
explosion.
WARNING: Fire or explosion hazard:
- Do not use flammable liquids; do not operate the machine near or in a location with flammable
liquids, gases or flammable dust.
This machine is not equipped with an explosion-proof motor. If the machine is used in a place
with flammable gases, liquids or flammable dust, the electric motor will generate sparks during
start-up and operation, which may cause flash fire or explosion.
- Do not pick up flammable materials or reactive metals.
- The battery releases hydrogen. Keep away from sparks or open fire sources. Keep the battery
compartment open while charging.
Warning: Risk of electric shock. Disconnect the battery before servicing the machine.
Warning: Rotate the brush to run. Keep your hands close. Please turn off the power before
servicing the machine.
The following information indicates situations that pose a potential hazard to the operator or
equipment:
for safety reasons:

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1. Do not operate the machine:
- When in contact with flammable liquids or close to flammable gases,
It may cause an explosion or flash fire.
- Unless trained and authorized to operate the machine.
- Unless you have read and understood the operating manual.
- If not in proper operation.
2. Before starting the machine:
- Make sure all safety devices are positioned and operating correctly.
3. When using the machine:
- Please slow down when encountering slopes and slippery surfaces.
- Wear non-slip shoes.
- Please slow down when turning.
- Report the machine immediately if it is damaged or malfunctions.
- Do not let children play on or near the machine.
- Observe the mixing ratio and handling instructions on the chemical container.
4. Before leaving or repairing the machine:
- Park the machine on a stable floor.
- Turn off the machine.
5. When servicing the machine:
- Avoid moving parts. Do not wear loose tops, shirts or sleeves.
- Disconnect the battery before operating the machine.
- Wear protective gloves and eye protection when handling battery or battery wiring.
- Avoid contact with battery liquid acid.
- Do not rinse the machine with high pressure spray or water pipes.
- Use replacement parts supplied or approved by the manufacturer.
- All repairs must be performed by qualified service personnel.

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- Do not modify the original design of the machine.
6. When moving the machine:
- Please turn off the machine.
- Do not carry the machine when it is equipped with a battery.
- Please carry the machine with the assistance of others.
- Use the recommended loading dock when loading or unloading the machine from a truck or
trailer.
- Use a rope to secure the machine to a truck or trailer.
- Lower the brush head to the lowered position.
Machine operation indication

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Machine explosion diagram
Overall explosion diagram of the machine
serial number
part number
Name
1
PART1
Base frame assembly
2
PART2
Bead stand assembly
3
PART3
Clean water tank components
4
PART4
Recovery Tank Assembly
5
PART5
Bogie assembly
6
PART6
Head assembly
7
PART7
Lying head components

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PART 1 Base frame assembly
Serial number
Part number
Name
1
A010140
Base frame
2
A010148
Motor buffer plate
3
A010153
Machine head pull arm two
4
A010152
Machine head pull arm one
5
A010147
Motor adjustment plate
6
C010121
Pulley

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PART 2 Bead stand assembly
Serial number
Part number
Name
1
A010167
T op bracket
2
C010131
Transmission shaft Φ15x124
3
A010168
Bottom bracket
4
A010191
Universal wheel bracket

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PART 3.Clean water tank components
Serial number
Part number
Name
1
B010140
Clean water tank
2
G010114
Plastic elbow
3
A010174
Electrical board
4
A010162
Filter holder
5
E010138
Accelerator
6
E010141
Headlights

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PART 4.Recovery Tank Assembly
Serial number
Part number
Name
1
E010142
Water absorption motor 24V 3 layers
2
A010188
Recovery tank cover support Plate
3
B010142
Recovery tank cover
4
B010141
Sewage tank
5
B010149
S
eat
6
E010134
Warning light 24V
7
A010170
Side stand
8
A010171
Support rod
9
A010171
Support rod
10
G010105
Hinge 65x65

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11
B010125
Sewage pipe Φ38*400 (01+09)
12
B010126
Sewage suction pipe Φ38*1000 (01+06)
PART 5.Bogie assembly
Serial number
Part number
Name
1
B010138
Steering wheel 300
2
E010135
Forward astern switch
3
H010111
Electrical cabin cover
4
A010174
Electrical board
5
A010173
Steering bracket
6
E010129
Speed control knob
7
C010139
Steering shaft
8
B010143
Steering cover
9
G010174
Gimbal 18x30x80
10
C010140
Orientation axis
11
C010135
Steering gear
12
C010136
Washer 20x60x27
13
C010137
Steering bearing seat (upper)Ф128*27
14
C010138
Steering bearing seat (bottom) Ф128*17
15
G010171
Bearing 6010
16
E010135
Drive motor 24V

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PART 6.Head assembly
Serial number
Part number
Name
1
Skirt
2
B010150
16 inch brush plate
3
A010178
Brush disc motor mounting plate
4
A010175
Machine head left shield
5
A010176
Right hand guard
6
B010145
Brush plate splash strip 870
7
B010144
Brush plate splash strip 800
8
E010139
Brush motor 24V 450W
9
C010116
Brush disc lock
10
A010180
Brush plate motor fixing plate
PART 7. Suction rake system

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Serial number
Part number
Name
1
SJ860005001
Anti-collision wheel
2
SJ860005002
Suction rake main frame
3
SJ860005003
Suction harrow support
4
SJ860005004
Iron accessories
5
SJ860005005
Front absorbent rubber
6
SJ860005006
Water-absorbing rubber bead
7
SJ860005007
Rear absorbent rubber
8
SJ860005008
Water-absorbing film iron card
9
SJ860005009
Screw
10
SJ860005010
Cross nut

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Receiver
Unpacking the machine
1. Please check the machine box for any damage. If there is damage, immediately respond to the
freighter.
2. Check the shipping contents list. If there are any missing items, please contact the seller.
Shipping content：
● 6V battery 4 - standard
● 24V battery charger 1 - standard
● 1 set of battery cable - standard
● Water-absorbing adhesive strip 1 pay - standard
● 2 scrubbing brushes - standard
● Dial 2 only - standard
● Other accessories - optional
3. Before disassembling the machine, remove the shipping fixtures and cords that secure the
machine to the stack. With the help of others, carefully remove the machine from the stack.
Note: If the loading and unloading floor is not used, do not push the machine directly to avoid
damage to the machine.
Note: To avoid damage to the machine, please unload the machine from the warehouse before
installing the battery.
Installing the battery
WARNING: Fire or explosion hazard. The battery releases hydrogen. Keep away from
sparks or open fire sources. Keep the battery cover open while charging.
For safety reasons: Wear protective gloves and eye protection when handling the battery and
battery wiring when servicing the machine. Avoid contact with battery liquid acid.

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1. Park the machine on a level surface and remove the key.
2. Lift the sewage tank to expose the battery compartment
3. Carefully install the battery in the battery compartment brake and connect the battery cable to
the front of the machine as shown below
Note: Do not throw the battery into the battery compartment to avoid damage to the battery and
the machine.
4. Before connecting the battery, please make sure the electrode and the terminal are clean. Use
electrode cleaning solution and wire brush as needed.
Note: Apply a thin layer of metal-free lubricant or protective spray to the attached wiring to avoid
battery corrosion.
5. After the battery is installed, check the battery scale of the battery gauge. Charge the battery as
needed.
Machine cleaning method
Cleaning method:
Manually control the water valve to adjust the amount of water that the cleaning fluid (water and
detergent) flows to the ground. The brush cleans the floor with a solution of detergent and water.
While the machine is moving forward, use the squeegee to draw the sewage from the floor into the
recovery tank.
Brush and scouring pad information
To ensure optimum performance, use the correct brush type for cleaning. The recommended
brushes and scouring pads are as follows:
Soft nylon brush (white) -
It is recommended to clean the coated floor without hurting the floor. Clean without leaving
scratches.

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Polishing mat (white)-
Used to maintain a highly shiny or polished floor.
Cushion (red) -
Used to scrub light dirt without hurting the ground.
Gravity folding pad (black) -
Used to remove heavy coatings or substrates with great strength or for super-strong scrubbing.
Machine installation
Attaching squeegee assembly
1. Park the machine on a level surface and remove the key.
2. Lower the squeegee lifter to the lower position.
3. Attach the squeegee to the squeegee mounting bracket as shown in the figure. Be sure to fully
insert the tightening knob into the jack and tighten the knob.
4. Attach the vacuum suction tube to the squeegee assembly.
5. Check the squeegee strip and make appropriate adjustments
Installation brush / scouring pad
Note: For recommended brushes and scouring pads, please refer to the “Brush and scouring pad
information” section of this manual or contact your local authorized dealer.
1. Park the machine on a level surface and remove the key.
2. Press the brush lift pedal to lift the brush head off the ground
3. Place the scouring pad on the needle holder before installing the drive plate. Tighten the central
lock to secure the scouring pad.
4. Align the hub/brush mounting post with the motor drive plate latch and press the brush motor
switch.
5. To remove the needle holder and brush, press the brush head lift pedal to lift the brush head off
the ground and press the brush motor switch.
Machine operation
For your safety: Do not operate the machine until you have read and understood the operating

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manual.
WARNING: Fire or explosion hazard. Never operate the machine near or in a location with
flammable liquids, gases, or flammable dust.
Pre-operation check
□Clean the dust on the ground.
□Check the battery scale of the battery gauge. (Refer to the battery gauge)
□Check the wear of the scouring pad/brush.
□Check the wear of the squeegee rubber strip and adjust the angle as appropriate.
□Make sure the recovery tank is empty and have a clean floating filter installed.
□Check the wear of the brush head skirt.
Operating machine
1. Turn the main power key to the (I) position.
2. Pull the squeegee lifter down to lower the squeegee assembly to the floor.
3. Press the brush lift pedal to lower the brush head to the ground.
4. Open the water control knob.
5. Press the brush motor switch and then push the suction motor switch.
6. Motor drive model: adjust the speed control knob to the cleaning speed you want.
Note: A cleaning speed of 45-60 meters per minute is recommended.
During operation of the machine
WARNING: Fire or explosion hazard. Do not pick up flammable materials or reactive metals.
1. Each cleaning path overlaps 5 cm.
2. Keep the machine running to avoid damage to the ground.
3. If the squeegee absorbs water, there are drag marks on the floor, and wipe the strip with a rag to
remove the garbage. Clean up beforehand to prevent drag marks.
4. Do not operate the machine on a slope with a slope of more than 5% (3°).
For safety reasons: When using the machine, move slowly on slopes and slippery surfaces.
5. If there is too much foam, pour the recommended antifoam solution into the recovery tank.
Note: Do not allow foam to enter the filter to avoid damaging the vacuum motor. The bubble will
make the filter switch fail.

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6. Use a double cleaning method to clean extremely dirty areas. First lift the squeegee to clean and
let the solution dipped 3-5 points.
After the clock, lower the squeegee and wash again.
7. Replace or rotate the scouring pad as needed.
8. Observe the electricity consumption of the battery power meter (refer to "Battery Power
Meter").
9. Check the remaining liquid volume through the clean tank level gauge. The traditional method
of washing the ground is about 10 liters per 10 minutes;
10. When the solution in the clean water tank is used up, first empty the sewage tank and re-inject
the solution.
11. When the worker leaves the machine, park the machine on a level surface and remove the key.
12. After cleaning, perform daily maintenance procedures (refer to "Machine Maintenance").
Battery gauge
The battery gauge shows the battery's charge. When the battery is fully charged, all the lights are
on. As the power is consumed, the indicators turn off from right to left. To extend battery life, do
not let the indicator light go out below the power consumption described below.
Note: In order to extend the life of the battery, please charge the battery after the machine has been
in use for more than 30 minutes.
Water tank drainage
The sewage tank should be drained and cleaned after each use. The clean water tank should be
cleaned regularly to remove any corrosion. Move the machine to the drain location, turn off the
power key, and drain according to the following discharge instructions: For safety reasons: Park
the machine on a level surface and turn off the machine and remove the key before leaving or
servicing the machine. Drainage tank.
1. Unscrew the waste water tank drain cover in the counterclockwise direction and remove it
2. Open the recovery tank cover and rinse the water tank
3. Disassemble and flush the floating filter in the recovery tank.
Battery charging