InSTRuCTIonS FoR:
COMPRESSORS 200/270/270LTR BELT
DRIVE 5.5 / 7.5 / 10HP, 3PH 2 - STAGE
ModEl noS: SAC42055B.V2, SAC52775B.V2, SAC62710B.V2
Thank you for purchasing a Sealey product. Manufactured to a high standard this product will, if used according to these instructions
and properly maintained, give you years of trouble free performance.
IMPORTANT: PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS AND
CAUTIONS. USE THE PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY
CAUSE DAMAGE AND/OR PERSONAL INJURY AND WILL INVALIDA TE THE WARRANTY. PLEASE KEEP INSTRUCTIONS SAFE FOR FUTURE USE.
Wear ear protection
Read InstructionsWear eye protection
1. SAFETY
1.1. ELECTRICAL SAFETY
WARNING! ElEcTRIcAl INsTAllATION Of cOMPREssOR TO A 3-PhAsE 415VOlT suPPly MusT ONly bE
cARRIEd OuT by A quAlIfIEd ElEcTRIcIAN.
Make sure the power supply cable is correctly connected to the earth. It is the user’s responsibility to read, understand and
comply with the following:
You must check all electrical equipment and appliances to ensure they are safe before using. You must inspect power supply leads,
plugs and all electrical connections for wear and damage. You must ensure the risk of electric shock is minimised by the installation of
appropriate safety devices. An RCCB (Residual Current Circuit Breaker) should be incorporated in the main distribution board.
you must also read and understand the following instructions concerning electrical safety.
1.1.1. The Electricity At Work Act 1989 requires all portable electrica l appliances, if used on
business premises, to be tested by a qualified electrician, using a Portable Appliance
Tester (PAT), at least once a year.
1.1.2. The health & safety at Work Act 1974 makes owners of electrical appliances responsible for
the safe condition of the appliance and the safety of the appliance operator. If in any doubt
about electrical safety, contact a qualified electrician.
1.1.3. Ensure insulation on all cables and the product itself is safe before connecting to mains power
supply.
1.1.4. Ensure that cables are always protected against short circuit and overload.
1.1.5. Regularly inspect power supply, leads, plugs and all electrical connections for wear and damage,
especially power connections, to ensure that none are loose.
1.1.6. Important: Ensure the voltage marked on the product is the same as the electrical power supply
to be used. A three phase plug must be fitted to this machine.
1.1.7. DO NOT pull the powered appliance by the power cable.
1.1.8. DO NOT pull power plugs from sockets by the power cable.
1.1.9. DO NOT use worn or damage leads, plugs or connections. Immediately replace or have repaired by a qualified electrician.
1.1.10. This product must be fitted with a 3-phase plug according to the diagram, and will require a minimum of 16Amps per phase,
(preferably 32Amp) electrical supply. you must contact a qualified electrician to ensure an appropriately fused supply is
available.
Connect GREEN/YELLOW wire to earth (E) terminal.
Connect the live wires to live 1, 2 and 3. Check for the correct direction of rotation (see arrow on belt cage) to confirm
correct wiring of 3-phase plug when you first run the compressor.
When completed, check that there are no bare wires, that all wires have been connected correctly, that the cable
external insulation extends beyond the cable restraint and that the restraint is tight.
© Jack Sealey limited
Original Language Version
SAC42055B.V2, SAC52775B.V2, SAC62710B.V2 Issue: 1 - 16/12/16
1.2. GENERAL SAFETY INSTRUCTIONS
Familiarise yourself with the application and limitations of the compressor.
Ensure that the compressor is in good order and condition before use. If in any doubt DO NOT use the unit and contact an electrician/
service agent.
IMPORTANT! The compressor must be installed and commissioned by qualified personnel.
WARNING! Compressor must only be serviced by an authorised agent. DO NOT tamper with, or attempt to adjust, pressure
switch or safety valve.
Before moving or maintaining the compressor ensure it is unplugged from the mains supply and that the air tank pressure has been
vented.
only use recommended attachments and parts. To use non-recommended items may be dangerous and will invalidate your warranty.
Read the instructions regarding any accessory used with the compressor. Ensure the safe working pressure of any air appliance used
exceeds the compressor regulator. If using a spray gun, check the area selected for spraying is provided with an air change system or
ventilation.
Ensure the air supply valve is turned off before disconnecting the air supply hose.
use the compressor in a well ventilated area and ensure it is placed on a firm surface away from any heat sources.
Keep tools and other items away from the compressor when it is in use and keep area clean and clear of unnecessary items.
Ensure the air hose is not tangled, twisted or pinched.
Keep children and unauthorised persons away from the working area.
DO NOT dis-assemble compressor for any reason. The unit must be checked by qualified personnel only.
DO NOT use the compressor outdoors, or in damp, or wet, locations and DO NOT operate within the vicinity of flammable liquids,
gases or solids.
DO NOT touch compressor cylinder, cylinder head or pipe from head to tank as these may be hot and will remain so for some time
after shutdown.
DO NOT attempt to move the compressor by pulling the air tool hose.
DO NOT use this product to perform a task for which it has not been designed.
DO NOT operate the compressor with the belt guard removed.
DO NOT deface the certification plate attached to the end of the compressor tank.
DO NOT cover compressor or restrict air flow around the machine whilst operating.
dANGER! dO NOT direct the output jet of air towards people or animals.
DO NOT operate the compressor without an inlet air filter.
DO NOT allow anyone to operate the compressor unless they have received full instructions and adequate
training.
WARNING! The air tank is a pressure vessel and the following safety measures apply:
dO NOT tamper with the safety valve and dO NOT modify or alter the tank in any way, dO NOT
fig. 1
strap anything to the tank.
dO NOT subject the tank to impact, vibration or to heat and dO NOT allow contact with abrasives or
corrosives.
dO drain condensation from tank daily, inspect inside walls for corrosion every three months and
have a detailed tank inspection carried out annually. Tank shell must not fall below the certified
thickness at any point.
WARNING! If an electrical fuse blows, ensure that it is replaced with one of identical type and
rating.
When not in use, store the compressor carefully in a safe, dry, childproof location.
When the compressor is not in use, it should be switched off, isolated from the mains supply and the air
drained from the tank.
2. INTRODUCTION
Heavy-duty 3-phase compressors suitable for the professional workshop. Two stage pump system coupled with a 3ph motor maximises
performance to keep running costs low compared to single stage single phase models. Pumps feature heavy-duty full cast cylinders, capped
by alloy heads for improved heat dissipation and long life. Heavy-duty drive guards protect belt and flywheel that is designed to force air over
the pump to aid cooling. Model no’s SACV42755B and SACV52775B have 270ltr vertical space saving tanks without compromising on
volume.
3. SPECIFICATION
Motor
out-
Voltage/
put
Phase
hp
SAC42055B.V2 5.5 415/3 32 1490 20.7/586 15.1/419 145/10 200 1440x440x965 135 77 97
SAC52775B.V2 7.5 415/3 32 1280 29.7/841 21.5/609 145/10 270 1550x510x1070 143 77 97
SAC62710B.V2 10 415/3 32 1080 38.4/1088 27.3/775 145/10 270 1550x540x1200 224 77 97
Input
Current
Amp
Speed
Rpm
Air
displacement
Cfm/lm
Max Free Air
delivery cfm/
lm
Max.
Pressure
psi/bar
Receiver
Capacity
ltr
dimension
(WxdxH)
mm
Weightkgnoise
dB.A
noise
lwA
4. PREPARATION
4.1. Remove compressor from packaging and inspect for any shortages or damage. If anything is found to be missing or damaged contact
your supplier.
4.2. Save the packing material for future transportation of the compressor. We recommend that you store the packing in a safe location, at
least for the period of the guarantee. Then, if necessary, it will be easier to send the compressor to the service centre.
4.3. The compressor should be operated on a flat surface, or one that does not exceed 10° either transversely or longitudinally (fig.1) and
should be in a position that allows good air circulation around the unit (at least a 100cm gap).
4.4. Check oil level, consulting the reference marks on the stick (fig.2 + fig.2a) or the oil level inspection window depending on model
use only synthetic oil (see maintenance section for oil specification).
4.5. Confirm the mains voltage corresponds with the voltage shown on compressor data plate.
Have a qualified electrician wire in accordance with Section 1.1. and check that the motor operates in the correct direction.
SAC62710B.V2 has a control box which requires mounting to a suitable wall and connecting to the mains by a qualified electrician.
4.6. When fully installed, start the compressor and ensure that everything is in good working order before operational use. Check the
direction of rotation (see arrow on motor) to confirm correct wiring of 3-phase plug. Re-check oil levels.
© Jack Sealey limited
Original Language Version
SAC42055B.V2, SAC52775B.V2, SAC62710B.V2 Issue: 1 - 16/12/16
oIl FIllER
C
o
PluS
dIPSTICK
SAC42055B.V2 g.2
oIl FIllER
SAC52755B.V2 g.2
oIl FIllER
SAC62710B.V2 g.2
oIl lEVEl
WIndoW
Power
light
CoRRECT
lEVEl
dRAIn PluG
Emergency
Stop
dRAIn PluG
fig.2.a
CoRRECT
lEVEl
oIl lEVEl
WIndoW
fig.3
dRAIn PluG
g.4
SAC62710B.V2
Control Box
on
Button
Isolation switch
5. OPERATION
WARNING! Ensure that you have read, understood and apply Section 1 safety instructions.
IMPORTANT! The use of extension leads to connect these compressors to the mains is not recommended as the resulting voltage
drop reduces motor, and therefore pump performance which may cause damage to your compressor.
NOTE: Take care when selecting tools for use with the compressor. Air tool manufacturers normally express the volume of air required to
operate a tool in cubic feet per minute (cfm). This refers to free air delivered by the compressor (‘air out’) which varies according to the
pressure setting. DO NOT confuse this with the compressor displacement which is the air taken in by the compressor (‘air in’). ‘Air out’
is always less than ‘air in’ due to losses within the compressor.
5.1. STARTING THE COMPRESSOR (SAC42055B.V2 & SAC52775B.V2)
5.1.1 Check that the on/oFF switch (fig.3.1) is oFF in the "o" position.
5.1.2 Plug mains lead into mains supply and start the compressor by moving the pressure switch to the on ‘I’ position. Check the direction
of rotation (see arrow on belt cage) to confirm correct wiring of 3-phase plug.
5.1.3 When starting the compressor for the first time, leave it running with no air tools connected to the air outlet. Make sure that pressure in
the tank rises and that the compressor stops automatically when the maximum pressure value allowed - written on the plate and
shown on the gauge is achieved. The compressor will now operate automatically.
The pressure switch stops the motor when the maximum tank pressure is reached and restarts it when the pressure falls below the
minimum threshold - approx. 2bar (29psi) less than the maximum pressure.
5.1.4 Stop the compressor by moving the pressure switch (fig.3.1) to the "o" position. The compressed air inside the compressor
head will flow out, making the restart easier and preventing the motor from being damaged.
DO NOT, other than in an emergency, stop the compressor by switching off the mains power, or by pulling the plug out, as the
pressure relief will not then operate and motor damage may result upon restart.
When the compressor runs correctly and is stopped correctly there will be:
(a) a whistle of compressed air when the motor stops.
(b) a protracted whistle (about 20-25 seconds) when the compressor starts with no pressure in the tank.
5.2. STARTING THE COMPRESSOR (SAC62710B.V2)
5.2.1 Turn the pressure switch (fig.3.1) to the "I" position. Turn the Isolation Switch (fig.4) to the "I" position, power on is signalled by the
indicator light. Press the "on" button (fig.4) to start the compressor. Check the direction of rotation (see arrow on belt cage) to
confirm correct wiring of 3-phase plug..
5.2.2 Stop the compressor by turning the Isolation Switch (fig.4) to the "0" position. The compressed air inside the compressor head
will flow out, making the restart easier and preventing the motor from being damaged.
DO NOT other than in an emergency, stop the compressor by switching off the mains power as the pressure relief will not then
operate and motor damage may result upon restart.
NOTE: a) If the motor does not cut in and out, but runs continuously when using an air appliance, the capacity of the compressor may be too
small for the equipment or tool.
b) The gauge (fig.3.2) indicates the pressure inside the main tank, NOT the pressure supplied to the air equipment. Should the
pressure in the main tank exceed the pre-set switch maximum, a safety valve will activate.
WARNING! for this reason dO NOT tamper with, or adjust, the switch or safety valve.
© Jack Sealey limited
Original Language Version
SAC42055B.V2, SAC52775B.V2, SAC62710B.V2 Issue: 1 - 16/12/16
6. MAINTENANCE
In order to keep the compressor in good working condition, periodic maintenance is
essential.
IMPORTANT! Failure to carry out maintenance tasks may invalidate the warranty on
your compressor.
WARNING! Before performing any maintenance operation, switch off the compressor,
disconnect from electricity supply and release all air from the tank.
6.1. OPERATIONS TO BE CARRIED OUT AFTER THE FIRST 50 WORKING HOURS:
a) Check that all bolts/nuts are tight, particularly those retaining the crankcase and
cylinder head.
b) Replace the lubricating oil - see para 6.5.
6.2. OPERATIONS TO BE CARRIED OUT WEEKLY:
a) drain condensation by opening the valve located under the tank (fig.5). Place a
container under the valve and open the valve by turning anticlockwise.
WARNING! Take care if there is compressed air in the tank as water could flow out with
considerable force. Recommended pressure 1 - 2bar max.
b) Check oil level and if necessary, top up.
6.3. OPERATIONS TO BE CARRIED OUT EVERY 50 HOURS:
(or more frequently, if the compressor operates in a very dusty atmosphere):
a) Turn off the compressor and remove the filter element (fig.6). using stored air from it's
tank, clean the filter with compressed air. (Wear eye protection and DO NOT direct
air towards the body or hands). DO NOT operate the compressor without the filter as
foreign bodies or dust could seriously damage the pump. Replace the filter element.
b) Check for oil leaks.
6.4. OPERATIONS TO BE CARRIED OUT EVERY 100 HOURS:
a) Check the automatic cut-out at max. pressure and the automatic cut-in at 2bar below.
b) General clean up of the compressor.
6.5. OPERATIONS TO BE CARRIED OUT EVERY 400 HOURS:
a) Replace the lubricating oil. For oil specifications see 6.6. Remove the dipstick/breather
plug then unscrew oil drain plug (fig.2, fig2a and fig.7), draining the oil into a container.
drain when the compressor is hot so that oil drains rapidly and completely.
Replace oil drain plug and refill through the dipstick/breather aperture. DO NOT overfill.
Replace dipstick.
b) Replace air filter.
c) Check all tube fittings and electrical connections.
d) Inspect pressure tank inside and out for damage or corrosion.
WARNING! Never mix different oils and do not use non-detergent/low quality oils as the
compressor may be damaged.
g.5
g.6
WARNING! Dispose of waste oil only in accordance with local authority requirements.
6.6. RECOMMENDED OILS
Synthetic oil suitable for temperatures ranging from -5°C to 45°C, viscosity 5W50.
We do not recommend using mineral oil in these compressors.
Part No. Qty. Description
FSo1 1ltr x 12 Compressor oil fully synthetic
FSo1S 1ltr x 1 Compressor oil fully synthetic
FSo5 5ltr x 1 Compressor oil fully synthetic
6.7. SCHEDULED MAINTENANCE TABLES
Maintenance Operations Weekly 50hrs 100hrs 400hrs
drain condensation
Check oil level
Clean intake filter
Check for oil leaks
Replace oil
Check cut-out
General cleaning of compressor
Replace air filter
Check tube fittings and electrical
connections
•
•
•
•
•
•
•
•
•
Internal & external inspection of tank
© Jack Sealey limited
Original Language Version
•
SAC42055B.V2, SAC52775B.V2, SAC62710B.V2 Issue: 1 - 16/12/16
g.7
6.8. IMPORTANT WARNING - Air contaminants taken into the compressor will affect optimum performance. For example, body
llerdustorpaintoverspraywillclogthepumpintakelterandmaycauseinternaldamagetothepumpormotor.Pleasenote
that any parts damaged by any type of contamination will not be covered by the warranty
6.9. Inspection of pressure tank both internal and external is essential. under the PRESSURE SYSTEMS SAFETY REGULATIONS 2000
it is the responsibility of the owner of the compressor to initiate a system of inspection that both denes the frequency of the inspection
and appoints a person who has specic responsibility for carrying out the inspection.
6.10. DO NOT carry out any welding operations on any pressurised parts of the vessel.
7. TROUBLESHOOTING
FAULT POSSIBLE CAUSE REMEDY
1A) Pressure drop in the tank Air leaks at connections Run compressor to max. pressure, switch off.
1B) Pressure drop in the tank Air leaks from safety valve It should be replaced, unless leaking at a joint
Brush soap solution over connections and look for
bubbles. Tighten connections showing leaks.
If problem persists contact Authorised Service Agent
which can be sealed.
1C) Pressure drop in the tank Air leaks from cylinder head gasket Check tightness of head bolts. If leak continues
2) Pressure switch valve leaks when
compressor is idle
3) Air leaks from tank body or tank welds Internal corrosion caused by infrequent tank
4A) Motor stops and will not restart Thermal cut out has operated Allow unit to cool for 30 minutes before restarting
4B) Motor stops or stalls and will not restart Supply breaker has tripped A qualified electrician to check breaker and restart.
5) Compressor stops and does not restart Motor failure Contact Authorised Service Agent
6A) Compressor does not stop at max. pressure Pressure switch fault Contact Authorised Service Agent
6B) Compressor does not stop at max. pressure Filter clogged
7) Compressor noisy with metallic knock Bearing or piston damage Contact Authorised Service Agent
8) Excessive moisture in discharged air High humidity environment drain tank after each use
non-return valve seal defective Empty the air tank. Referring to fig.8 remove the
draining or non permitted modifications to tank
Head gasket or valve fault
contact authorised Service Agent
non-return valve cap (3), spring (2) and seal (1).
Clean the seal and its seat, or if necessary replace
the seal
Cannot be repaired
DISCONTINUE USE IMMEDIATELY
If repeated tripping occurs replace the check valve
or contact authorised Service Agent
Replace filter element.
Contact Authorised Service Agent
fig.8
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be
sorted, taken to a recycling centre and disposed of in a manner which is compatible with the environment.
When the product becomes completely unserviceable and requires disposal, drain off any fluids (if applicable)
into approved containers and dispose of the product and the fluids according to local regulations.
Dispose of this product at the end of its working life in compliance with the EU Directive on
Waste Electrical and Electronic Equipment (WEEE). When the product is no longer required, it must be disposed
of in an environmentally protective way. Contact your local solid waste authority for recycling information.
Parts support is available for this product. To obtain a parts listing and/or diagram,
please log on to www.sealey.co.uk, email sales@sealey.co.uk or telephone 01284 757500.
NOTE: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior notice.
IMPORTANT: no liability is accepted for incorrect use of this product.
WARRANTY: Guarantee is 12 months from purchase date, proof of which will be required for any claim.
Sole UK Distributor, Sealey Group,
Kempson Way, Suffolk Business Park,
Bury St. Edmunds, Suffolk,
IP32 7AR
© Jack Sealey limited
Environmental Protection
WEEE Regulations
Original Language Version
01284 757500
01284 703534
SAC42055B.V2, SAC52775B.V2, SAC62710B.V2 Issue: 1 - 16/12/16
www.sealey.co.uk
sales@sealey.co.uk
© Jack Sealey limited
Original Language Version
SAC42055B.V2, SAC52775B.V2, SAC62710B.V2 Issue: 1 - 16/12/16
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