DeVilbiss MG4-OLENG-2B Air Compressor User Manual


 
17
TROUBLESHOOTING GUIDE
CORRECTION
CAUSEPROBLEM
Compressor is not supplying
enough air to operate accesso-
ries.
Prolonged excessive use of air.
Compressor is not large enough for air
requirement.
Restricted air intake filter.
Loose belt.
Hole in hose.
Check valve restricted.
Air leaks.
Decrease amount of air usage.
Check the accessory air requirement. If it is higher than
the SCFM or pressure supplied by your air compres-
sor, you need a larger compressor.
Clean or replace air intake filter.
Adjust belt tension.
Check and replace.
Remove and clean or replace.
Tighten fittings. (See Air Leaks section of Trou-
bleshooting Guide.)
Loose belt.
Pulley misalignment.
Loose pulley.
Adjust tension per instructions under "Engine - Ad-
justments" section of this manual.
Align pulleys per "Pulley and Flywheel - Alignment"
section of this manual.
Check for worn keyway or pulley bore. Also check for
bent motor shaft. Replace parts if necessary.
Excessive belt wear.
Squealing sound.
Loose belt.
There is no oil in the compressor.
Adjust belt tension per instructions under "Engine -
Adjustments" section of this manual.
Add oil to top of fill hole in base (16 oz. capacity)
Engine will not run.
*Please refer to the Briggs &
Stratton Owner's Manual for an
Authorized Service Dealer for
warranty repairs.
The stop switch is in the "stop" posi-
tion.
The gasoline tank is empty.
The choke is not set properly.
Improper fuel mixture.
Air tank pressure is too high.
The unloading valve toggle lever is in a
horizontal position.
Stiffener bar or engine & compressor
mounting screws are loose.
Excessive vibration.
EXCESSIVE VIBRATION COULD WEAKEN
THE AIR TANK AND CAUSE IT TO RUPTURE
OR EXPLODE. STIFFENER BAR NUTS AND
MOUNTING SCREWS MUST BE KEPT TIGHT-
ENED. NEVER OPERATE THE OUTFIT UN-
LESS EQUIPPED WITH THE STIFFENER BAR
AND RUBBER FEET.
Move the stop switch away from the spark plug.
Fill the tank with gas.
Re-set the choke. Remember, a warm engine requires
less choking than a cold engine.
Adjust the fuel mixture.
Open the ball valve and reduce tank pressure to less
than 40 psig.
Place unloading valve toggle lever in a vertical posi-
tion.