Hanbell SAM-285 User manual

Operation Manual
1
SHANGHAI HANBELL PRECISE MACHINERY CO.,LTD.
No.108, Jiangong Rd., Fengjing Area, Jinshan District, Shanghai
TEL/FAX : [phone]
http://www.hanbell.com.cn
E-mail: [email protected]
Oil-Free Scroll Compressor
Operation Manual

Operation Manual
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Thank you for using Hanbell products.
All Hanbell products are through quality and performance control tests prior to delivery. However, the guaranty
period for oil-free scroll air end is based on the product within 12 months after the completion of installation and
commissioning at the first job-site or within 15 months from the date of delivery from the Hanbell. However, we
will not be responsible if the product does not operate properly for following reasons:
Damage caused by shipment, natural disaster, war ,etc.,
Damage caused by improper operation or maintenance that is not in accordance with the Hanbell operation
manual;
Damage caused by modification of any part on or connected to the product;
Damage caused by the improper maintenance or repair by a non-authorized technician. Hanbell will also not
be responsible for any accidents which happen to personnel while installing, setting up, operation,
maintaining, and/or repairing the product.

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Foreword
When you compile the operation manual for the equipment with Hanbell scroll air end, all the information
and data related to operation safety in this manual shall be fully considered. Please read this manual carefully
and make sure fully understand the contents before using the machine.
The pressure in this manual refers to gauge pressure, and all the measurement units are international units if
there is no special indication.
If you have any concerns regarding this manual, please contact our company or the nearest commercial
networks.

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CONTENT
1. General provisions..................................................................................................................................... 5
1.1 Models................................................................................................................................................ 5
1.2 Identification....................................................................................................................................... 5
1.3 Precautions in using............................................................................................................................ 5
1.4 Use the compressor properly.............................................................................................................. 7
1.5 Sale and after service.......................................................................................................................... 7
2. Safety........................................................................................................................................................... 8
2.1 Employee qualification and training .................................................................................................. 8
2.2 Safety Instructions.............................................................................................................................. 8
2.3 Safety instructions for operation ........................................................................................................ 8
2.4 Safety instructions for maintenance, repair and assembly ................................................................. 8
3. Description of scroll compressor and spare parts...................................................................................... 10
3.1 Description of scroll compressor...................................................................................................... 10
3.2 Scroll air end structure ..................................................................................................................... 10
3.3 Scroll air end operating..................................................................................................................... 10
3.4 Oil-free scroll air end technical data ................................................................................................ 11
4. Direction for installation............................................................................................................................ 12
4.1 Power supply.................................................................................................................................... 12
4.2 Installation place .............................................................................................................................. 12
4.3 Cautions for user.............................................................................................................................. 12
4.4 Preparation before operation ............................................................................................................ 12
4.5 Control system.................................................................................................................................. 13
4.6 Maintenance..................................................................................................................................... 14
4.7 Trouble shutting................................................................................................................................. 17
5. Exemption and Statement.......................................................................................................................... 19
Appendix 1 Maintenance and replacement diagram for scroll compressor..................................................... 20
.

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1. General Provisions
1.1 Models ; SAM-285, SAM-440, SAM-700
Product coding principles i.e. for SAM -440-08 are as follows:
SAM: model series;
440: inlet volume : l/min;
08: discharge pressure: kg/cm^2
The scroll air end rotates counterclockwise from the shaft end direction.
If the customer has special requirements for the model, please contact us. The manufacturing number S/N is
the certificate number of our sales, after-sales service and maintenance. Please keep it in properly.
1.2 Identification
Please refer to the compressor nameplate in bellowing.
AIR COMPRESSOR
MODEL SAM-440-08
S/N C09C03730000
1.3 Precautions
1.3.1 Please check the following list once receiving the scroll air end:
A. Check the model and specification of the scroll air end is same as the one you ordered
B. Check if there is any damage caused during transportation.
C. Check the spare parts to make sure the quantity is correct and there is no damage
1.3.2：Precautions before using
Before installing and using the oil-free scroll compressor, please read this manual carefully, operate
according to the manual to prevent the occurrence of any dangerous or damaged.
A. Transportation
Please pay attention to the following points before transportation
Well pack the compressor from collision
When moving the compressor by crane or forklift, make sure that the center of gravity of the
compressor shall be placed horizontally.
When using a crane to lift the compressor, be sure to meet the crane operation requirements, and pay
attention to the driving cable to prevent from twining
B. Installation
The oil-free scroll air end is an oil-free fixed orbit rotary positive displacement compressor, to ensure
that the air end or compressor package has corresponding damping devices;

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All parts must be connected to complete the final product - scroll compressor system. The scroll
compressor system must be installed according to the current reasonable safety and accident prevention
regulations
Figure for belt-type compressor
When belt drive is adopted:
V-type belt is recommended, refer to Standard DIN 7753 Part1 / ISO 4184
Pulley balance grade: ISO 1940-G6.3 or VDI2060-Q6.3, measured according to "half sliding key
method" in ISO 8821. During balancing, put the half sliding key corresponding to the inner
diameter contour into the groove. Refer to DIN 2211 or GB / T 13575.1-2008
Belt test before operation shall meet the requirements of tension frequency tester 50.9 ~ 58Hz or
tension test 360 ±20N.
When installing or maintaining the belt pulley, the driving shaft and the driven shaft shall be
checked horizontally and the maximum axial deviation shall not be over 0.5°. Check whether the
width of the belt pulley is the same. Also, the possible deviation of the flange width must be taken
into account.
When coupling derived is adopted:
The coupling shall be installed correctly. Before installation, heating the coupling. The heating
temperature shall be controlled at around 180℃. Pay attention to the cleaning of the shaft and the
hole. Do not knock it with a hammer directly, which will reduce the bearing's service life and
seriously affect the compressor life.
It is required that the perpendicularity and concentricity of the bracket shall be controlled within
0.02mm during manufacturing. Otherwise, additional load will be caused during the operation,
which will cause high current, violent vibration and so on, that will cause severe wear to the
bearings of compressor or motor, and finally lead to loud noise in the operation of the scroll air end
and even compressor stuck.
Please contact Hanbell for direct drive oil free scroll compressor.
The scroll compressor must be installed in the environment which is compatible with the operation
of the compressor. There shall be no excessive dust, toxic or flammable gas, moisture, water and
Pulley SPZ
End face

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direct sunlight in the environment, otherwise, compressor service life will be reduced, and failure,
damage or fire, etc,. Make sure that the connection is correct and that the compressor can be turned
properly during the final installation. Clearance for inspection and maintenance must be reserved
around the compressor.
C. Storage
When the scroll air end needs to be stored for a period of time, proper anti-corrosion protection
must be done. Avoid violent shaking and impact on the scroll air end, and other direct risks in
transportation should also be avoided. It shall be stored at a place where is 0.2m from the ground and
over 15m from the room with acid steam, strong alkali and chemical composition. Please keep the
ambient temperature at 0-40 ℃, and the relative humidity of the air shall be no more than 50%. Do not
remove the dust cover at the flange and the dust cover at the exhaust port in the storage, otherwise the
dust or foreign matters will enter the compressor. When the scroll air end is stored for more than 6
months, please check if there is any abnormality before operation.
1.4 Use the compressor properly
SAM series oil-free scroll compressor is specially used to compress air. Please use it according to the
limits of technical application conditions in "technical data". Any other way of usage shall be deemed as
improper use. Hanbell shall not be liable for the loss caused by improper use, and those who use the
machine shall be responsible for it.
1.5 Sale and after service
In order to quickly and economically inspect, repair or overhaul scroll air ends, we have a complete set
of maintenance tools, spare parts, consumable parts, and scroll air end assembly for replacement. The
original spare parts of Hanbell scroll compressor and the parts authorized and approved by using can
ensure the safe operation of the scroll air end you purchased. The operation reliability may be reduced if
you use other spare parts, and Hanbell will not be responsible for the loss caused.

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2. Safety
2.1 Employee qualification and training
The employees who operate and maintain Hanbell scroll compressor shall be authorized, trained and
certified, and shall be familiar with the existing safety rules.
The company using Hanbell scroll compressor shall explain the scope of responsibility and the ability
of employees shall acquired in detail. If the employees do not have the necessary knowledge,
corresponding training shall be carried out.
Company shall ensure that the operation and maintenance staff fully understand this operation manual.
The maintenance and modification of the machine must be carried out by the staff from service
network authorized by Hanbell.
2.2 Safety instructions
The standards of technical safety regulations for installation, operation and maintenance of scroll
compressor are as follows:
GB/T 6388 Air compressor transport package shipping mark
GB/T 13384 Air compressor package
GB/T 3853 Displacement compressor test
GB/T 15847 Displacement compressor performance test
JB 8524 Air compressor safety requirements
GB/T 7777 Displacement compressor vibration measurement methods
GB/T 4980 Determination of sound level of noise emitted by displacement compressor
JB/T 6441 Safety valve
The latest revised version shall be used for the above provisions.
All the operating rules and regulations shall be followed, including in particular those come in force in
the plant due to local conditions. When several rules work at the same time, the most stringent rules
shall be followed.
2.3 Safety Instructions for the Company or Operator's
The company shall ensure that the compressor is always under safe operation conditions, and the
damaged or failure parts shall be replaced in time.
Any operation which may affect the compressor shall be forbidden.
Abnormality occurs on the compressor which may affect its safety, the operator shall report
immediately.
2.4 Safety instructions for maintenance, repair and assembly
The administrator shall ensure that all the people who maintain, repair and assemble the compressor have
well studied the Operation Manual, and have been authorized by Hanbell.

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Maintenance, repair and assembly can only be carried out when the machine is fully "stopped". The measures
and methods described in the "operation instructions" to stop the machine must be fully followed.
Sealing parts and bearing grease should be used correctly.
After the maintenance of the scroll air end is finished and it is re-assembled on compressor package, the
connecting pipeline from the scroll air end to the compressor package shall be restored immediately.
Before restarting, make sure that the pipes are well connected and the safety components such as outlet valve
or check valve are opened normally.
It is not allowed to modify and improve the compressor without the authorization of Hanbell. The original
spare parts of Hanbell scroll compressor and the parts provided by the dealer authorized by Hanbell can
ensure the safety of the scroll air end you purchased. If you use other foreign parts, it may reduce the
reliability of the compressor and have negative consequences.
Without the approval of Hanbell, the compressor shall not be operated outside the scope described in the
"technical data" section. Below listed some common improper operation:
Running direction opposite to that on the compressor label
Operating under working pressure beyond the permission scope
Too high or low running speed.
Improper use due to compressor deformation

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3. Description scroll compressor and spare parts
3.1The Description of scroll compressor
Oil free scroll air compressor has lots of excellent technical advantages, such as compact structure, small
volume, light weight, low noise, long service life, low vibration value of the whole machine, stable and
continuous gas outlet, simple operation, low maintenance cost and so on. It is known as "maintenance free
air compressor" and "new generation air compressor" in the industry, is expected to gradually replace
reciprocating and screw compressor in the range of 3HP-30HP. As a result, it is of great practical
significance to strengthen the research on the performance of scroll air compressor. Scroll compressors are
mainly used in painting, electronics, textile, medical equipment, pharmaceutical, printing, food and gas
separation equipment and other industries.
Figure1 scroll air end
SAM-440 SAM-700
3.2 Scroll air end structure
The main parts of scroll air end include orbiting scroll, fixed scroll, frame, eccentric shaft and anti-rotation
pin etc.,
3.3 Scroll air end working principle
Scroll air end by orbiting scroll and fixed scroll inter winding each other to complete the process of suction,
compression and discharge. The fixed scroll is fixed on the frame, while the orbiting scroll is driven by the
eccentric shaft and restricted by the anti- rotation mechanism to make a small radius movement around the
center of the fixed scroll. The gas is freely sucked in through the periphery of the scroll reel through the filter.
As the eccentric shaft rotates, the gas is gradually compressed in the crescent-shaped compression chamber
being composed of the fixed and orbiting scrolls and then discharged by the central part of the fixed scroll.

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Figure 2 Working Principle
Suction Finish suction and start to compress Continue to compress Discharge Suction
Static scroll Dynamic scroll Air
3.4 Oil-free scroll air end technical data
Model
Shaft
Power
Rated
pressure
Air displacement
Exhaust
connecting
Speed
Noise
level
Dimensional
Weight
kW
Mpa
L/min
inch
r/min
dB(A)
mm
kg
SAM-285
2.2
0.8
250
PT3/8"
2840
64
270x300x265
15.5
2.4
1.0
215
2400
SAM-440
3.7
0.8
410
PT1/2"
3050
65
347x330x295
19.5
4.4
1.0
355
3000
SAM-700
5.5
0.8
580
PT3/4"
2950
66
335x381x357
31.5
6.0
1.0
490
2650

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4. Direction for Use
4.1 Power Supply
1）According to the power and voltage of the machine, suitable power supply shall be provided and the
fluctuation of voltage shall not exceed ±5%, and the three-phase imbalance shall be less than 3%.
2）Use suitable switch and electrical breaker according to the power and voltage of the machine.
3）Please select 600V insulated conductor wire, and its dimension shall not be less than the data listed in the
following table:
Motor power（KW）
1.1~1.5
3.7~5.5
11~15
22~30
Sectional area（MM²）
2~2.5
4
6~10
25
4）Use a reliable ground wire with a resistance of less than 100Ω.
4.2 Installation place
1）Scroll air compressor is strictly prohibited to be installed in the environment with steam, humid or
corrosive gas, explosive gas, toxic gas and excessive dust. Meanwhile, it also cannot be exposed to the
sun and rain; those will easily cause safety accidents such as compressor life reduction, failure, damage
or fire.
2）It shall be installed in a well ventilated environment with a temperature range of 0-40 ℃. A ventilation
fan shall be installed in the environment with poor ventilation; there shall be enough space for the
compressor heat radiation, and it is recommended to install exhaust hoods.
3）Sufficient space shall be reserved for future maintenance and repair. The distance between the wall,
ceiling and the compressor shall not be less than 0.6m.
4）It shall be installed on a solid, flat and foundation without vibration, otherwise, it will lead to the increase
of noise and vibration of the compressor.
4.3 Cautions for Use
1）Compressed air cannot be inhaled by human being directly.
2）The compressor is oil-free, but the oil or dust containing in the air may be adsorbed on the compressor or
spare parts.
3）The gas discharged by the compressor contains dust, mixture of gases, powder from the surface of parts,
and water molecules;
4）The compressor shall be equipped with protection devices to stop the compressor in case of failure or
safety accident;
4.4 Preparation before operation
Trial operation procedure must be carried out before new machine commissioning, or machine shut down
for a long time or moved to another place for use.
1）Check whether the belt is loosed, whether the tension and parallelism meet the requirements, and whether
the anticlockwise rotation of the scroll air end;

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2）Check whether all pipeline joints, instruments, circuit connection joints, etc. are loose, fallen off or
damaged due to transportation, installation, etc. If so, please tighten or replace it; make sure whether the
exhaust valve is open.
3）Connect the power line and ground wire, and test whether the voltage and the three-phase power supply is
correct.
4）Check the cooling system.
5）Check whether the safety and the relief valve for damage.
6）If the display panel shows "phase sequence error" and alarms when the power is turned on, please turn off
the power and change any two phases.
7）Press the "emergency stop" button immediately within 1 ~ 2S after pressing the start button on the display
screen to check whether the main motor turns correctly (the main air end rotates counterclockwise, and
the pulley of the scroll air end shows turning indication). If the turning direction is not correct, please
change any two of the three wires. Use the same method to check whether the fan turns correctly, the
wind of the fan blowing to the radiator.
8）After the emergency stop button is reset, press the start button, then the air compressor starts to run.
9）Observe whether there is warnings on the display screen and whether the compressor package can be
loaded normally. If there is abnormal sound, vibration, water leakage and other abnormal phenomena,
press the stop button immediately. Check the faults after the machine is completely stopped.
10）Observe whether the compressor package can stop automatically when the discharge pressure rises to the
set value of unloading pressure, and whether it can be started when the pressure drops to the set value of
loading pressure.
11）Check when pressing the stop button, whether the machine stops normally.
4.5 Control System
1）Start: press the start button, the main motor starts, the air enters the compressor from the air filter, and the
compressor pressure rises gradually.
2）Operation: when the pressure increases to the set value of unloading pressure, the compressor stops
immediately, and the system pressure in the unit gradually drops to 0 Mpa. When the pressure drops to
the set value of loading pressure, compressor starts automatically and the pressure increased.
3）Stop: press the stop button, the main motor stops, and the system pressure of the compressor gradually
drops to 0 Mpa.
4）Emergency stop
Emergency stop: in case of motor overloading, high exhaust temperature and so on, the compressor will
stop in an emergency and lock the fault for self-protection. Press the start button, the machine fails to start,
after the fault is eliminated, reset the controller for start.
Press the emergency stop button to stop: in case of emergency during compressor operation, press the
emergency stop button to stop the machine. After pressing the emergency stop button, the main motor and
fan will stop immediately.

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4.6 Maintenance
The maintenance person must have certain knowledge of mechanic and electricity and operation skills, and
have a certain understanding of air compressors. Carefully read the operation manual before maintenance.
1）Maintenance must be carried out when the machine is stopped, the stop valve is closed and the power
supply is off.
2）Make sure that the pressure in the system has dropped to zero before removing any pressurized
components.
3）The system internal components temperature is high when the machine is just stopped, so be careful to
avoid scalding during operation.
4）After maintenance, be sure to confirm that there are no tools, parts, rags, etc. left in the compressor.
Maintenance Items for Compressor Package
1）For the cleaning and replacement of air filter element, please refer to GB/T14295-2008; for sub high
efficiency filter, the recommended filtration efficiency ≥ 99%. The working environment determines the
maintenance schedule of air filter elements.
①Air filter element clean
Clean the air filter element regularly according to the working environment to ensure that the air
compressor operates in the best condition. Take out the filter element and blow from the inside to the
outside with compressed air to remove the dust.
②The air filter element must be replaced when a new compressor runs continuously for 500 hours; the
second replacement time is 1500-2500 hours. The replacement cycle should be shortened in the severe
environment.
2）Belt replacement
The replacement of the belt of a new machine depends on the maintenance schedule provided by the
compressor manufacturer;
3）The maintenance for checking and replacing of spare parts, such as safety valve, pressure sensor,
temperature sensor, check valve etc., depended on the maintenance schedule set by the compressor
manufacturer according to their own requirements.
4）Cleaning of cooler
Dust accumulating in air-cooled cooler will affect the cooling effect of the air compressor, which is easy
to cause discharge temperature over high. The heat exchanger must be cleaned regularly to maintain
efficient radiating.
5）Air tank or water separator drainage (if any)
In high humidity working area, the machine operates continuously, the water shall be drained three times
per week. Make sure the pressure in the air tank drops to zero before opening the drainage port and
draining the water in the tank. If the compressor operates continuously, the drainage period can be
extended.

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Maintenance items for scroll air end
1）Check and make sure the maintenance schedule carried out as planned.
2）Carry out daily maintenance. If the current conditions and/or load conditions are harsh, the corresponding
maintenance time shall be shortened.
3）Seals do not need to be replaced in early time. Normally they need to be replaced after 3000 hours of 10
bar.g operation. If the total working time of the compressor doesn't reach 5000 hours in 3 years, the
maintenance operation shall be carried out and the bearing grease shall be filled.
4）More frequent maintenance under adverse conditions may be beneficial.
5）The inspection and replacement schedule shown in the table is the recommended based on an average
temperature of 30℃. If the working conditions are severe, please shorten the inspection and maintenance
time.
Maintenance Schedule;
The specified maintenance time is not equal to the product warranty period. (maintenance schedule based
on 0.8MPa air compressor)
Inspection and maintenance shall be carried out based on the working hours and maintenance intervals
whichever comes first.
Item
Working Hours
NOTE
Working hours
500hrs
2500hrs
5000hrs
10000hrs
15000hrs
20000hrs
Intervals
Every
2M
Every
Yr
Every 2
Yrs
Every 4
Yrs
Every 6
Yrs
Every 8
Yrs
Bearing
Grease filling
●
Grease filling per 3500hrs
Tip Seal
Check/replace
○
●
●
●
●
Orbiting
scroll
Check/clean
○
○
○
○
Cooling fan
Check/clean
○
○
○
○
○
Pulley
Check/replace
○
Replace when not working properly
Belt
Check/replace
○
●
●
●
●
Check valve
Check/replace
○
●
○
●
Safety
valve
Check/replace
○
Every 2500hrs or less
Air filter
Check/replace
○
●
Replace every 6 moths
Temperature
sensor
Check/replace
○
○
○CHECK、CLEAN ●REPLACE
Maintenance Schedule;
The specified maintenance period is not the product warranty period of 1.0MPa air compressor.
Inspection and maintenance shall be carried out based on the working hours and maintenance intervals
whichever comes first.

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Item
Working Hours
NOTE
Working
hours
500hrs
2500hrs
5000hrs
10000hrs
15000hrs
20000hrs
Intervals
Every
2M
Every
Yr
Every 2
Yrs
Every 4
Yrs
Every 6
Yrs
Every 8
Yrs
Bearing
Grease filling
●
Grease filling per 2500hrs
Tip Seal
Check/replace
●
●
●
●
●
Replace every 2500hrs
Dynamic/Static
Check/clean
○
○
○
○
Centrifugal fan
Check/clean
○
○
○
○
○
Pulley
Check/replace
○
Replace when not working properly
Belt
Check/replace
○
●
●
●
●
Check valve
Check/replace
○
●
○
●
Safety valve
Check/replace
○
Every 2500hrs or less
Air filter
Check/replace
○
●
Replace every 6 moths
Temperature
sensor
Check/replace
○
○
○CHECK、CLEAN ●REPLACE

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4.7 Fault and maintenance ;
Fault
Case
Maintenance
Fail to start
1.No power supply
2. Low of voltage
3.Unsuitable dimension and length of
power wire
4.Fuse broken
5. Phase error
6.Pressure switch failure
7.Motor failure
8. Compressor failure
1.Check power supply
2.Check power supply voltage and motor
power
3.Replace wire
4.Check the circuit and replace the fuse
5.Exchange the phase
6.Replace the pressure switch
7.Check or replace
8.Check or replace
High discharge temperature
causing compressor stop
running
1.Coolingfan failure
2.High ambient temperature
3.Cooler (dirty)
4.Temperature sensor failure
5.Compressor failure
1.Check the cooling fan and cooling channel
2.Improve ventilation
3.Clean the cooler
4.Replace the temperature sensor
5.Check the compressor
Discharge pressure fail to
reach the
set pressure
1.Wrong specification of compressor
2.Pressure switch failure
3.Pipe leakage
4.Air filter blocked
1.Add compressors
2.Replace the pressure switch
3.Check and re-secure
4.Replace air filter
Abnormal noise and
vibration
1.Motor bearing damage
2.Compressor bearing wearing
or damage
3.Parts loose
4.Scroll air end wrong rotation
direction
1.Check or replace
2.Check or replace
3.Re-secure
4.Check compressor rotation direction
Motor stop since high running
temperature
1.Motor not working properly
2.Low voltage
3.Compressor rotation failure
4.Use unqualified grease
5.Wire connector loose
6.Over set discharge pressure
1.Check or replace
2.Check and adjust the voltage
3.Check or replace
4.Replace special grease
5.Retighten
6.Adjust to correct set pressure
Safety valve gas release
1．Discharge pressure too high
2．Safety valve failure
3．Pressure switch failure
1．Lower the pressure to the preset pressure
2．Check or replace
3．Check or replace
Compressor faults and solutions
1）Noisy from orbiting and fixed scroll during operation, resulting in excessive motor load:
a. When the compressor starts, it is normal to have slight vibration, and the noise will be reduced or weakened after

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a few minutes of operation;
b. Check whether the check valve works properly. Open the safety valve for air release, and then check if the valve
is installed or set correctly
c. Please check to ensure that the air intake system is smooth. If the air intake system is closed, the dynamic and
static scroll plates may be damaged during operation, which is not covered by the warranty;
2）Excessive vibration
a. Check whether the compressor works properly and whether the running direction is correct or not;
b. If the dynamic and static scrolls are damaged, it may cause noise due to friction, so they should be replaced in
time
c. Check whether add bearing lubricating grease according to maintenance schedule;
3）Scroll air end fail to work
a. Check whether the running direction of the compressor is correct or not;
b. If the dynamic and static scrolls are damaged, the running track of the bearing will change
c. The position of the parts is changed due to the external force to the scroll air end, which results in interference;
4）The compressor needs to be checked carefully, please contact your dealer or our customer service.

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5. Exemption and statement
Any description of compressor products in this document shall not be extended, expressed or implied as any
commitment, guarantee or statement. Such guarantees or other terms of product sales must be in accordance
with the standards and conditions of sale of the products concerned and may be provided upon request.
Data in this manual are subject to change without notice. Hanbell has the right to change or upgrade the
products, and that cannot not be the reason for warranty claim.

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Appendix 1
Maintenance and Replacement Diagram for Scroll Compressor
grease filling
Tip seal replacement