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

OPER

A

CAUTION!

Verify that the metal bars in the water tray are covered with water. The water pump may be 
damaged if it is not completely submerged while the tile saw is in use.

OPERATING INSTRUCTIONS

Breaking-in the pump

1. 

Set the pressure switch (C) to the OFF position. 

2. 

Open the tank drain valve (I) by turning it counterclockwise to permit the air to escape and 
prevent air pressure build-up in the air tank during the break-in period.

  

3. 

Turn the air pressure regulator (E) counterclockwise until it stops.

OFF

open

OPEN

4. 

Plug in the power cord (K).

NOTE:

 A circuit breaker is recommended. If the air compressor is connected to a circuit protected by a 

dual-element time delay fuses (type “T” only).

5. 

Set the pressure switch (C) to the ON position. The compressor will start. Run the compressor for 30 
minutes. 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 pressure switch (C).

7. 

Close the tank drain valve (I) by turning it clockwise. 

8. 

Set the pressure 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 is now ready for use. 

 

CLOSE

ON

CAUTION!

 

Use a dedicated circuit.

For best performance and reliable starting, the air compressor should be plugged into a dedicated circuit,  

as close as

 

 possible to the fuse box or circuit breaker.

 

The compressor will use the full capacity of a typical 12  

A household circuit. If any other electrical 

from the compressor’s circuit, the air compressor may fail to start. Low voltage 

 sluggish starting that causes the motor overload protection 

 

 

devices are drawing 

or an overloaded circuit can result in 

system or circuit breaker to trip, especially in cold conditions.

fuse, use 

OPERATING INSTRUCTIONS

Summary of Contents for 299-1978-8

Page 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...

Page 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...

Page 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...

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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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 par...

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