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model no. 299-1978-8  |  contact us 1-800-689-9928

TECHNICAL SPECIFIC

ATIONS

SAFETY GUIDELINES

TECHNICAL SPECIFICATIONS

1.8

Blade

Arbor

7” (17.8 cm) diamond-tipped

5.0

7/8” or 5/8”

105
135

PRODUCT NUMBER 

299-1978-8

Running horsepower
TANK SIZE 

11 U.S. GALLONS (41.6 L)

AIR  DELIVERY (CFM*) @ 40 PSI
AIR  DELIVERY (CFM*) @ 90 PSI
CUT-IN PRESSURE (PSI)
CUT-OUT PRESSURE (PSI)
PUMP DESIGN  

OIL-LESS

MOTOR

N

I

 

DUCTION

POWER 

120 V, 60 Hz, 12 A

WEIGHT 

63 lb 13 oz (29 kg)

POWER CORD 

SJT 16 AWG/72" (1.83 m)

EXTENSION CORD

SJT 14 AWG/ MAX IMUM 30’ (9.1 m)

*CFM: Cubic Feet per Minute.

 

4.0

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 BURNS.

 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' (6m) away from apray 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' (7.6m) 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 18). 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. 

Содержание 299-1978-8

Страница 1: ...UCTION 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 MA...

Страница 2: ...TIONS 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 INSTRU...

Страница 3: ...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 R...

Страница 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...

Страница 5: ...or it can be activated 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 clo...

Страница 6: ...rs Polishers Grease Caulking Guns Before you start This Mastercraft Air Compressor is ideal for a wide range of applications from fastening to greasing and engine cleaning The 11 gallon 41 6 L design...

Страница 7: ...tended use 3 Positioning of the air compressor a Position the air compressor near an electrical outlet b The compressor must be at least 12 31 cm from any wall or obstruction in a clean well ventilate...

Страница 8: ...utes If it fails 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 pre...

Страница 9: ...avoid 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 automati...

Страница 10: ...ll 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 Clean the air filter A dirty air...

Страница 11: ...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...

Страница 12: ...valve Screw ST3 9 X 16F Rear housing Capacitor 200 uF Motor pump assembly If any parts are missing or damaged or if you have any questions please call our toll free helpline at 1 800 689 9928 15 3 1...

Страница 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 par...

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