airmaster TIGER 7-550 50L Oil Free Air Compressor Instruction Manual

June 6, 2024
AirMaster

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airmaster TIGER 7-550 50L Oil Free Air Compressor

airmaster TIGER 7-550 50L Oil Free Air Compressor

INTRODUCTION

Before attempting to operate the machine, it is essential that you read this manual thoroughly and carefully follow all instructions given. In doing so you will ensure the safety of yourself and that of others around you, and you can also look forward to the product giving you long and satisfactory service.

SPECIFICATION

Power supply 230 V/ 50 Hz
Dimensions (L x W x H) 730 x 300 x 620 mm
Weight 27 kg
Receiver capacity 50L
Motor power 2HP
Fuse rating 13 amps
Ingress protection IP20
Max working pressure 8 Bar/116 psi
Max flow rate 220 L/min (7.8 cfm)
Sound power level 93.7 dB LwA
Guaranteed sound power level 96 dB LWA (K=2,23)

Please note that the details and specifications contained herein are correct at the time of going to print.

GUARANTEE

This product is guaranteed against faulty manufacture for a period of 12 months from the date of purchase. Please keep your receipt as proof of purchase.
This guarantee is invalid if the product is found to have been abused or tampered with in any way, or not used for the purpose for which it was intended.
Faulty goods should be returned to their place of purchase, no product can be returned to us without prior permission. This guarantee does not effect your statutory rights.

GENERAL SAFETY WARNINGS

WARNING: WHEN USING ELECTRICAL TOOLS, BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK AND PERSONAL INJURY
WARNING: READ ALL THESE INSTRUCTIONS BEFORE ATTEMPTING TO OPERATE THIS PRODUCT AND KEEP THESE INSTRUCTIONS IN A SAFE PLACE.

WORK AREA
  1. Keep the work area clean and well lit. Floors should ALWAYS be kept clear. Cluttered or dark areas invite accidents.
  2. Keep children and bystanders away while operating a power tool. Distractions can cause loss of control.
  3. The compressor should only be used in areas with adequate ventilation and should not be exposed to heat or used near flammable substances
PERSONAL SAFETY
  1. ALWAYS stay alert, watch what you are doing and use common sense when operating the compressor. DO NOT use the compressor while you are tired or under the influence of medication, drugs or alcohol. A moment of inattention can result in personal injury.
  2. ALWAYS use eye protection when operating compressed air equipment, and ensure that others in the work area are protected from flying particles from the front and from the side.
  3. ALWAYS protect yourself against electric shock. NEVER operate the compressor in wet or damp locations.
  4. NEVER over-reach. Keep your proper footing and balance at all times to enable better control of the compressor in unexpected situations.
  5. NEVER attempt any complex repairs yourself. If you have a technical problem contact your local dealer.
  6. ALWAYS store the compressor out of reach of children.
  7. ALWAYS protect your hearing. Ear protection should be worn when operating this compressor and it’s associated power tools.
  8. NEVER direct the air stream at people or animals, as injury may result. Compressed air can cause soft tissue damage and propel dirt and other particles at high speed.
  9. NEVER insert your fingers or other objects inside the motor housing. NEVER operate the compressor without the cover in place.
GENERAL MACHINE USE AND CARE
  1. Prior to use, all operators should become familiar with the instructions in this booklet especially the ON/OFF switch for emergency stopping.
  2. ALWAYS maintain the compressor with care and keep it clean for best /safest performance.
  3. NEVER use this compressor if any part is damaged. Have it inspected and repaired by your dealer.
  4. NEVER attempt to modify the air compressor, tank, fittings or attachments in any way. Doing so will invalidate the guarantee and could result in personal injury.
  5. NEVER abuse the power cable. Never pull on the cable when removing the plug from the socket, or lift the compressor by the power cable.
  6. ONLY use extension leads that are of an appropriate power rating and suitable for the work environment. Extension leads must have an earth connection. Inspect the extension lead regularly and replace if damaged.
  7. ONLY USE RECOMMENDED PARTS: To avoid the risk of bursting, only hoses with a rated pressure of 10 bar, or more should be used. NEVER attempt to repair damaged hoses.
  8. NEVER abuse the compressor by standing on it.
AIRLINE HOSES
  1. ALWAYS ensure that equipment or power tools used in conjunction with the compressor have a safe working pressure exceeding that of the machine.
  2. ALWAYS keep the air hose away from any attached power tools and ensure that the operator is not restricted by the length of the hose.
  3. ALWAYS take care when a long air hose is required in the work area as it presents a trip hazard. Coil the hose away as soon as the job is finished.
  4. ALWAYS avoid kinking or trapping the air hose. ALWAYS replace faulty hoses and never attempt a repair if a leak is detected.
  5. NEVER abuse hoses or connectors. NEVER carry an air tool by the hose, or yank it to disconnect from the air supply. Keep hoses away from heat, oil and sharp edges. Check hoses for leaks or worn condition before use and ensure that all connections are secure.
  6. ALWAYS ensure that the air supply is turned off at the machine outlet and any air pressure vented from within the compressor and any attached equipment when disconnecting air hoses or other equipment.
AIR COMPRESSOR SAFETY INSTRUCTIONS
  1. ONLY USE WITHIN THE RECOMMENDED OPERATING TEMPERATURE RANGE: This compressor should only be used in an ambient temperature of between +5OC and +40OC (never at or below freezing temperatures).

  2. NEVER USE AN AIR COMPRESSOR WHICH APPEARS DEFECTIVE OR IS OPERATING ABNORMALLY: If the compressor operates unusually or makes strange noises, switch off immediately and purge the air reservoir. Arrange repairs with your nearest dealer.

  3. BREATHING QUALITY AIR: This compressor should not be used to supply breathing quality air.

  4. SAFETY VALVE: NEVER remove or attempt to adjust the safety valve. The maximum pressure is factory set. Keep the safety valve free from paint and other accumulations.

  5. AVOID UNINTENTIONAL STARTING: DO NOT move the compressor when it is connected to the mains power supply.

  6. BEFORE EACH USE CHECK THE COMPRESSOR AND HOSE FOR DAMAGED PARTS: Never use the compressor if it has been damaged in any way. Have the compressor repaired by a qualified service engineer. DO NOT use the compressor if the On/Off switch does not operate correctly.

  7. KEEP THE MOTOR AIR VENTS CLEAR: Keep the motor vents clear and free from dust. Wipe regularly to maintain an adequate supply of clean air. Avoid using in dusty conditions.

  8. OPERATE THE COMPRESSOR AT THE CORRECT VOLTAGE: Make sure that the mains supply voltage is the same as the voltage shown on the label.

  9. ALWAYS adjust the pressure regulator to the recommended setting for the particular spray gun or air tool being used.

  10. When using the compressor for painting:

    • DO NOT work in enclosed areas or near naked flames.
    • Ensure that the area in which you are working has good ventilation.
    • Protect your nose and mouth with a suitable face mask.
    • ALWAYS check the safety data sheets for substances being sprayed & ensure manufacturer’s instructions are followed.
  11. DO NOT USE THIS COMPRESSOR TO INFLATE SMALL, LOW-PRESSURE OBJECTS:
    Items such as children’s toys or footballs can explode if over-inflated.

  12. NEVER STOP THE COMPRESSOR BY REMOVING THE PLUG OR SWITCHING OFF AT THE MAINS SUPPLY:
    ALWAYS use the On/Off switch on the compressor.

ELECTRICAL CONNECTIONS

WARNING! READ THESE ELECTRICAL SAFETY INSTRUCTIONS THOROUGHLY BEFORE CONNECTING THE PRODUCT TO THE MAINS SUPPLY.

Before switching the product on, make sure that the voltage of your electricity supply is the same as that indicated on the rating plate. This product is designed to operate on 230VAC 50Hz. Connecting it to any other power source may cause damage.
This product may be fitted with a non-rewireable plug. If it is necessary to change the fuse in the plug, the fuse cover must be refitted. If the fuse cover becomes lost or damaged, the plug must not be used until a suitable replacement is obtained.
If the plug has to be changed because it is not suitable for your socket, or due to damage, it should be cut off and a replacement fitted, following the wiring instructions shown below. The old plug must be disposed of safely, as insertion into a mains socket could cause an electrical hazard.

If the colors of the wires in the power cable of this product do not correspond with the markings on the terminals of your plug, proceed as follows:

  • The Blue wire must be connected to the terminal marked N or colored Black.
  • The Brown wire must be connected to the terminal marked L or colored Red.
  • The Yellow and Green wire must be connected to the terminal marked E or or colored Green.

ELECTRICAL CONNECTIONS

We strongly recommend that this machine is connected to the mains supply via a Residual Current Device (RCD). If in any doubt, consult a qualified electrician. DO NOT attempt any repairs yourself.

BEFORE USE

ATTACHING THE WHEELS

Use a spanner and X-head screwdriver to attach the wheels to the compressor.
Use the parts in the positions shown.

ATTACHING THE WHEELS

ATTACHING THE SUPPORTING FEET

Insert the support foot into the position shown using the bolts, nuts and washers supplied.

ATTACHING THE SUPPORTING FEET 01

Before connecting your compressor to the power supply, check the following:-

  • Set the ON/OFF switch to the OFF position (pushed down).
  • Make sure that the compressor is on level ground.

ATTACHING THE SUPPORTING FEET 02

MOVING THE AIR COMPRESSOR

CAUTION: TO PREVENT INJURY, ASSISTANCE MAY BE HELPFUL WHEN LIFTING THIS COMPRESSOR.

  1. Stop the compressor and disconnect it from the power supply before you move it.
  2. ALWAYS use the handle. To prevent damage, never lift by (or put strain on) valves or hoses.

OPERATION

If the compressor has not been used for more then 24 hours, open the drain valve (on the bottom of the reservoir) and drain any condensate which has collected.

ATTACHING AIR TOOLS

WARNING: BEFORE CONNECTING AIR TOOLS, MAKE SURE THAT YOU READ THE INSTRUCTIONS SUPPLIED WITH THE TOOL, ALSO ENSURE THAT THE TOOL IS SUITABLE FOR USE WITH THE COMPRESSOR AND HOSE SPECIFICATIONS.

  1. Attach the air hose to the ¼” BSP outlet valve.

  2. Attach the tool to the end of the air hose.
    OPERATION 01

  3. Turn the outlet valve handle to the open position.
    NOTE: The outlet valve is shown without the air hose fitted for clarity.

TURNING THE COMPRESSOR ON
  1. Plug the compressor into the power supply.
  2. Lift the On/Off button.
    • The compressor will operate until the reservoir is fully pressurized and then shut down.
    • The compressor will start up again when the pressure in the reservoir decreases.

OPERATION 03

CHECK THE SAFETY VALVE

To make sure that the safety valve works correctly:

  1. Unscrew the knurled end and pull it firmly outwards.
    • Air will be released when you pull the cap out and stop when released.
  2. If the valve does not operate in this way, DO NOT use the compressor. The compressor must be repaired by a qualified service agent.
  3. Screw the knurled end cap back into position before using the compressor.

CHECK THE SAFETY VALVE

WARNING: DO NOT REMOVE OR TRY TO ADJUST THE SAFETY VALVE.

SET THE OUTPUT PRESSURE

Use the pressure regulator to set the output pressure of the left hand outlet valve.

  • Turn clockwise to increase the pressure.
  • Turn counterclockwise to decrease the pressure.

SET THE OUTPUT PRESSURE

THE PRESSURE GAUGES
  1. The reservoir pressure gauge shows the current pressure in the reservoir.
  2. The outlet pressure gauge shows the ‘user set’ outlet pressure. This can be adjusted as shown above.

THE PRESSURE GAUGES

REMOVING AIR DRIVEN TOOLS FROM THE AIR HOSE

WARNING: ALWAYS SET THE PRESSURE REGULATOR TO ZERO BEFORE YOU REMOVE OR REPLACE A TOOL.

  1. Push down on the On/Off button to stop the compressor.
    REMOVING AIR DRIVEN TOOLS FROM THE AIR HOSE 01

  2. Turn the outlet valve handle to the off position.

  3. Operate the air tool to depressurize the air hose.

  4. Disconnect the air tool from the hose.
    REMOVING AIR DRIVEN TOOLS FROM THE AIR HOSE 02

TURNING THE COMPRESSOR OFF
  1. Follow steps 1-3 in “Removing Tools from the Air Hose” above.
  2. Disconnect the compressor from the power supply.
  3. Slowly open one of the outlet valve to depressurize the reservoir.
    • You will hear a hissing sound as the reservoir depressurizes.
    • DO NOT leave the compressor unattended if the reservoir is pressurized.

TURNING THE COMPRESSOR OFF 01

DRAINING THE AIR RESERVOIR

CAUTION: YOU SHOULD DRAIN THE AIR RESERVOIR AFTER EACH DAYS USE AND BEFORE YOU PUT YOUR COMPRESSOR INTO STORAGE

  1. Turn the compressor off and disconnect from the power supply.
  2. Put a container below the drain valve to collect the condensate.
  3. Open the drain valve slowly.
    • Condensation will drain from the reservoir.
  4. Close the drain valve when the reservoir has fully drained.

DRAINING THE AIR RESERVOIR

RESET BUTTON

This compressor has a thermal overload device.
If the motor gets too hot, the thermal overload device cuts the power which prevents damage to the motor.
If the thermal overload device operates, let the motor cool down for 5 minutes and push then the reset button.

RESET BUTTON

If you start the compressor and the overload cutout operates again, stop the compressor and disconnect from the power supply and have your compressor examined by a qualified service agent.

MAINTENANCE

DRAIN THE RESERVOIR (DAILY)

After use, always open the drain valve to make sure that any condensate is drained off.

CLEANING

Keep the compressor free of dirt and dust as far as possible. Wipe with a clean cloth or blow it down with compressed air at low pressure.
If cleaning is required, use a damp cloth and some soft soap. DO NOT use cleaning agents or solvents as these may be aggressive to the plastic parts.
Always disconnect the hose and any air tools from the compressor before cleaning.

CHECKING THE NON-RETURN VALVE

If the reservoir pressure decreases for no apparent reason, it is possible that the non-return valve is leaking. To check:

  1. Make sure that the reservoir is not under pressure and the compressor is switched OFF.
  2. Examine the non-return valve, and replace the gasket and valve if necessary.
    CHECKING THE NON-RETURN VALVE
STORAGE

Disconnect the mains plug and ventilate the compressor and any connected pneumatic tools. Store the compressor upright in a dry location.

STORAGE

ENVIRONMENTAL RECYCLING POLICY

By purchasing this product, the customer is taking on the obligation to comply with current WEEE regulations.
This means that this product must not be disposed of with general household waste. It must be disposed of according to the laws governing Waste Electrical and Electronic Equipment (WEEE) at a recognized disposal facility.
This product contains valuable raw materials. Metal products should be taken to your local civic amenity site for recycling of metal products.

TROUBLESHOOTING

CAUTION: DO NOT TRY TO REPAIR OR ADJUST THIS COMPRESSOR IF YOU ARE UNCERTAIN OF YOUR ABILITY. IF YOU HAVE ANY QUERIES, CONTACT YOUR DEALER.

PROBLEM PROBABLE CAUSE REMEDY
The compressor has stopped and does not start. Bad electrical connections.

Check electrical connections.
Clean and tighten if necessary.
Overload cutout switch has tripped.| Switch off and wait approx. 5 minutes.
Press the reset button and switch on again.
Motor windings burnt out.| Contact your dealer for a replacement motor.
The compressor does not reach the set pressure and overheats easily.| Compressor head gasket blown or valve damaged.| Return the machine to your nearest service agent.
Compressor does not start.| The reservoir has already fully pressurized.| Open drain valve to expel air. Compressor should start again when pressure reduces.
Air leaking from the non-return valve when the compressor is not running.| Faulty non-return valve.| Drain receiver completely of air.
Remove valve end plug
Carefully clean the valve seat and the gasket.
Reassemble.
Air pressure from the regulator will not adjust.| The diaphragm within the regulator body is broken.| Replace regulator
Compressor is noisy & makes a metallic sound.| Compressor damaged and needs overhaul.| Return the machine to your nearest service agent.

COMPONENT PARTS

COMPONENT PARTS

No Description
1 Bolt
2 Washer
3 Fan
4 Bearing
5 Washer
6 Bolt
7 Connecting rod
8 Seal cup
9 Press plate
10 Bolt
11 Crankshaft
12 Crankcase
13 Bearing
14 Rotor
15 Bearing
16 Stator
17 Wave gasket
18 Bearing seat
19 Overload protector
20 Flat washer
21 Spring washer
22 Long bolt
23 Fan
24 Pin clip
25 Capacitor
26 Cylinder
27 Valve plate gasket
28 Valve plate
29 Valve reed
30 Aluminum gasket
31 Head cover gasket
32 Head cover
33 Flat washer
34 Spring washer
35 Bolt
36 Air filter
37 Elbow
38 Cowl
39 Bolt
40 Handle cover
41 Tank
42 Checking hole plug
43 Hex nut
44 Spring washer
45 Flat washer
46 Wheel
47 Bolt
48 Drain valve
49 Nut
50 Spring washer
51 Flat washer
52 Foot
53 Bolt
54 Exhaust pipe
55 Nut
56 Check valve
57 Discharge pipe nut
58 Discharge pipe
59 Safety valve
60 Pressure switch
61 Pressure gauge (50mm)
62 Connector
63 Regulator
64 Pressure gauge (40mm)
65 Air tap
66 Power cable

For Servicing and Spare Parts, please contact Machine Mart on one of the following numbers:
PARTS: 0871 410 1270
SERVICE: 0871 410 1290

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