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model no. 299-3118-4  |  contact us 1-800-689-9928

TECHNICAL SPECIFIC

ATIONS

SAFETY GUIDELINES

TECHNICAL SPECIFICATIONS

 

*CFM: Cubic Feet per Minute  

 

1.5

4.0

135

6 U.S. GALLONS (22.7 L)

OIL-LESS
UNIVERSAL
120 V, 60 Hz, 12 A
36 LB 6 OZ (16.5 KG)
SJT 16 AWG/72" (1.83 m)

2.8

RUNNING HP
TANK SIZE 
AIR  DELIVERY (CFM*) @ 40 PSI
AIR  DELIVERY (CFM*) @ 90 PSI
MAXIMUM PRESSURE (PSI)

PUMP DESIGN
MOTOR
POWER 
WEIGHT 
POWER CORD

This manual contains information that relates to 

PROTECTING PERSONAL SAFETY

 and 

PREVENTING EQUIPMENT PROBLEMS

.

carefully and understand  it thoroughly before using the product. The symbols listed 

 

below are used to indicate this information.

IMPORTANT! 

Installation, operation or maintenance information that is important but not hazard related.

It is very important to read this manual 

CAUTION! 

Potential hazard that may result in moderate injury or damage to equipment.

WARNING!

 

Potential hazard that could result in serious injury or loss of life.  

DANGER! 

Potential hazard that will result in serious injury or loss of life.  

Safety Advice

1.

 

RISK OF FIRE OR EXPLOSION.

2.

 

RISK OF ELECTRIC SHOCK.

 

Do not expose to rain. Store indoors. Hazardous voltage.

 

Disconnect from power source before servicing. Compressor must be grounded. Do not

use grounding adaptors.

3.

 

RISK OF BURSTING. 

Make sure the regulator is adjusted so that the compressor outlet 

4. 

RISK OF PERSONAL INJURY.

 

Never spray compressed air or material at self or others.

5. 

RISK OF BURSTING.

 

Check the maximum pressure rating in the manual or identification 

6. 

 Do not adjust the pressure switch or safety valve for any reason. They 

 

RISK OF BURSTING. 

 Do not spray a flammable or combustible liquid or paint 

 pilot lights or in a confined area. The spray area must be well-ventilated. 

 Keep compressor at least 20' (6 m) away from spray area. Do not carry and operate the 

compressor or any other electrical device near the spray area. Never smoke when spraying.

Use a minimum of 25' (7.6 m) of hose to connect a spray gun to the compressor.

near sparks, flames, 

.

pressure is set lower than the maximum operating pressure of the spray gun or tool. Before 

starting the compressor, pull the ring on the safety valve to make sure the valve moves freely

(see diagram on page 17). Drain water from tank after each use.  Do not  weld or repair tank.

 

  

 

label. The compressor outlet pressure must be regulated so that it does not exceed the 

maximum pressure rating. Relieve all pressure in the hose before removing or attaching

accessories.  

have  been preset at the factory for this compressor’s maximum pressure. Tampering 

with the pressure switch or the safety valve may cause personal injury or property damage. 

Summary of Contents for 299-3118-4

Page 1: ...4 INSTRUCTION MANUAL IMPORTANT Read and understand this instruction manual thoroughly before using the product It contains important information for your safety as well as operating and maintenance advice AIR COMPRESSOR ...

Page 2: ...CTIONS 14 MAINTENANCE 18 TROUBLESHOOTING 20 EXPLODED VIEW 22 NOTE If any parts are missing or damaged or if you have any questions please call our toll free helpline at 1 800 689 9928 SAVE THESE INSTRUCTIONS Keep this instruction manual for future use Should this product be passed on to a third party this instruction manual must be included PARTS LIST 23 WARRANTY 24 ...

Page 3: ...nded Do not use grounding adaptors 3 RISK OF BURSTING Make sure the regulator is adjusted so that the compressor outlet 4 RISK OF PERSONAL INJURY Never spray compressed air or material at self or others 5 RISK OF BURSTING Check the maximum pressure rating in the manual or identification 6 Do not adjust the pressure switch or safety valve for any reason They RISK OF BURSTING Do not spray a flammabl...

Page 4: ... read all labels when you are spraying paints or toxic materials and follow all safety instructions Use a respirator mask if there is a chance of inhaling anything you are spraying Also NEVER directly inhale the air produced by a compressor 9 Wear ANSI Z87 1 approved safety goggles when using an air RISK OF BREATHING RISK OF EYE INJURY compressor Do not point anynozzle or sprayer toward a person o...

Page 5: ...d manually by pulling the ring on the valve E AIR PRESSURE REGULATOR The regulator is used to adjust the pressure inside the line to the tool that is being used Turn the knob clockwise to increase the pressure and counter clockwise to decrease the pressure F TANK PRESSURE GAUGE The gauge measures the pressure level of the air that is stored in the tank It cannot be adjusted by the operator and it ...

Page 6: ...olisher Grease Caulking Gun Before you start This Mastercraft Air Compressor is ideal for a wide range of applications from fastening to greasing and engine cleaning The 6 gallon 22 7 L design provides optimum pressure It features an oil free pump and use a 1 5 HP universal motor for powerful operation The procedures described in this manual are solely for this 6 gallon 22 7 L air compressor at a ...

Page 7: ...be at least 12 31 cm from any wall or obstruction in a clean well ventilated area to ensure sufficient air flow and cooling c Place the air compressor on the floor or a hard level surface The air compressor must be level to ensure proper drainage of the moisture in the tank 5 Connect air hose to compressor 4 Wheel assembly Connect air hose not provided to the compressor s air outlet H Insert the s...

Page 8: ... turn it off immediately and call the toll free helpline at 1 800 689 9928 Please note that breaking in the unit is only required prior to first use 6 After 30 minutes turn OFF the ON OFF switch C 7 Close the tank drain valve I by turning it clockwise 8 Set the ON OFF switch C to the ON position The air receiver will fill to cut out pressure and then the compressor s motor will stop The compressor...

Page 9: ... personal injury always shut off and unplug the unit and relieve all air pressure from the system before performing any service on the air compressor Risk of unsafe operation Unit cycles automatically when power is on When performing maintenance you may be exposed to voltage sources or compressed air Disconnect power source from the compressor and bleed off all air pressure WARNING Before each sta...

Page 10: ...st Store the air compressor in a clean and dry location In cold weather store the compressor in a warm building when it is not in use This will reduce problems related to starting the motor and the freezing of water condensation Prior to storing NOTE Refer to instructions on how to drain tank page 19 Daily To check safety valve Before starting the compressor pull the ring on the safety valve D to ...

Page 11: ...hut off unplug the air compressor If the pressure switch is defective replace it The compressor s capacity is not enough Check the air requirements of the accessory that is being used If it is higher than the CFM Cubic Feet per Minute and pressure supplied by the compressor page 4 a larger capacity air compressor is needed Most accessories are rated at 25 of actual CFM while running continuously P...

Page 12: ...3 24 25 26 27 28 29 30 Air tank Check valve Cushion pad Flat washer Transfer tube Bolt Bolt Rear shroud Self tapping screw Pump motor assembly Rubber bushing On Off switch Front shroud Handle grip Pressure switch Pressure gauge 1 1 4 4 1 4 4 1 4 1 1 1 1 1 1 2 15 16 Regulator Safety valve Power cord Anchor nut Screw Grounding wire Lock washer Bolt Rubber foot Nut Drain valve Shoulder bolt Wheel Fla...

Page 13: ... of the exterior finish such as but not limited to scratches dents paint chips or to any corrosion or discolouring by heat abrasive and chemical cleaners I This warranty will not apply to component parts sold by and identified as the product of another company which shall be covered under the product manufacturer s warranty if any Additional Limitations This warranty applies only to the original p...

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