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2-GALLON (7.6 L) AIR COMPRESSOR - 058-7000-2

2-GALLON (7.6 L) AIR COMPRESSOR - 058-7000-2

PROBLEM

POSSIBLE CAUSES

SOLUTIONS

The motor 
will not run or 
start.

The power cord is not plugged in.

Plug the power cord into a grounded outlet.

The power switch is in the 

(off) 

position.

Set the power switch to the 

(on) position.

The extension cord is the wrong 
wire gauge or is too long.

Check Technical Specications  chapter 

length.

The motor’s thermal overload 
protection has tripped.

Turn the air compressor off, unplug the power 
cord and wait until the motor has cooled 
down.

A fuse has blown or a circuit 
breaker has been tripped.

Replace the fuse or reset the circuit breaker.
Verify that the fuse has the proper amperage.
Check for low voltage conditions.
Disconnect any other electrical appliances 
from the circuit or operate the compressor on 
a dedicated circuit.

The air tank pressure exceeds the 
preset pressure switch limit.

The motor will start automatically when the 
tank pressure drops below the cut-in  
pressure.

The safety valve is stuck open.

Clean or replace the safety valve.

Electrical connections are loose.

Have the compressor serviced by a qualified 
technician.

The motor, capacitor or safety 
valve is defective.

Have the compressor serviced by a qualified 
technician.

The motor 
runs  
continuously 
when the  
power switch 
is in the 

(on) 

position.

The pressure switch does not 
shut off the motor when the air 
compressor reaches the cut-out 
pressure and the safety valve 
activates.

Set the power switch to the 

(off) position. 

If the motor does not shut 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 SCFM 
(Standard Cubic Feet per Minute, page 3) and 
pressure supplied by the compressor, a larger 
capacity air compressor is needed. Most  
accessories are rated at 25% of actual SCFM 
while running continuously.

PROBLEM

POSSIBLE CAUSES

SOLUTIONS

The  
regulator does 
not regulate 
the pressure.

The regulator or its internal parts 
are dirty or damaged.

Replace the regulator.

The pressure 
is low or there 
is not enough 
air.

There is a leak at one of the  
fittings.

Check the fittings with soapy water. Tighten or 
reseal leaking fittings (apply Plumber's tape on 
threads). Do not overtighten.

The tank drain valve is open.

Close the drain valve.

The air intake is restricted.

Clean the ventilation openings on the motor's 
enclosure.

Prolonged excessive use of air.

Decrease the amount of air used.

There is a hole in the air hose.

Check the air hose and replace it if necessary.

The tank leaks.

Replace the tank Immediately. Do not attempt 
to repair it.

The valve is leaking.

Check for worn parts and replace them if 
necessary.

There is 
moisture in the 
discharge air.

There is condensation in the air 
tank caused by a high level of 
atmospheric humidity or because 
the air compressor has not been 
running long enough.

Drain the air tank after each use. Drain the air 
tank more often in humid weather and use an 
air line filter.

The  
compressor 
overheats.

The ventilation is inadequate.

Relocate the compressor to an area with cool, 
dry and well-circulated air.

Cooling surfaces are dirty.

Clean all cooling surfaces on the pump and the 
motor thoroughly.

The valve is leaking.

Replace worn parts and reassemble using new 
plumber's tape.

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058-7000-2-Air-Compressor-2G-EN-03.indd   19-20

6/11/12   8:14 AM

8

4

41821 01256

Summary of Contents for 058-7000-2

Page 1: ...ughly before using the product It contains important information for your safety as well as operating and maintenance advice Keep this instruction manual for future use Should this product be passed o...

Page 2: ...5 Plug in the power cord STEP 4 Close the tank drain valve located on the bottom of the air tank TABLE OF CONTENTS QUICK START GUIDE TECHNICAL SPECIFICATIONS 3 SAFETY GUIDELINES 4 6 KEY PARTS DIAGRAM...

Page 3: ...at may result in moderate injury or damage to equipment IMPORTANT Installation operation or maintenance information that is important but not hazard related Safety Advice DANGER 1 RISK OF FIRE OR EXPL...

Page 4: ...se and the power cord from damage and puncture Inspect them for weak or worn spots every week and replace them if necessary 4 Always wear hearing protection when using an air compressor Failure to do...

Page 5: ...ssure from the system when it reaches a preset level if the pressure switch has not shut down the motor It will pop open automatically or it can be activated manually by pulling the ring on the valve...

Page 6: ...g used again Do not exceed the maximum working time Compatible compressor air tool proper usage operation Always ensure the use of appropriately matched air tools with your Mastercraft Air Compressor...

Page 7: ...stable wrench 1 Cross headed screwdriver 1 2 Check the air compressor s identification label to ensure that you have purchased the intended model and that it has the required pressure rating for its i...

Page 8: ...outlet K on the air compressor Hose connector Air outlet K 5 Attach other accessories End of hose or low gun Tire chuck or quick connector Blow gun adaptor Tapered nozzle or inflation needle NOTE Tire...

Page 9: ...temperatures are generated by the electric motor and the pump To prevent burns or other injuries DO NOT touch the air compressor while it is running Allow it to cool before handling or servicing Keep...

Page 10: ...ntire unit to protect it from moisture and dust 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 prob...

Page 11: ...d by the compressor a larger capacity air compressor is needed Most accessories are rated at 25 of actual SCFM while running continuously PROBLEM POSSIBLE CAUSES SOLUTIONS The regulator does not regul...

Page 12: ...flat washer 6 4 11 paper pad 3 36 screw M6 15 4 12 silica gel ring 21 2 1 37 drain valve 1 13 piston ring 1 38 internal tooth washer 1 14 connecting rod 1 39 wire clip 1 15 clamp 1 40 screw M4 15 3 16...

Page 13: ...This warranty will not apply to any product or part thereof which is worn or broken or which has become inoperative due to abuse misuse accidental damage neglect or lack of proper installation operat...

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