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13
TROUBLESHOOTING GUIDE (CONT'D)
PROBLEM
Restricted air intake.
Compressor is not supplying enough air
to operate accessories.
Excessive belt wear.
Squealing sound.
Pressure reading on the regulated pres-
sure gauge drops when an accessory is
used.
Regulator knob - continuous air leak.
Regulator will not shut off at air outlet.
CAUSE
Dirty air filter.
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.
Belt is too loose or tight.
Loose pulley.
Pulley misalignment.
Loose belt.
There is no oil in the compressor.
It is normal for "some" pressure drop to
occur.
Dirty or damaged regulator internal parts.
CORRECTION
Replace filter.
Decrease amount of air usage.
Check the accessory air requirement. If
it is higher than the CFM, SCFM or pres-
sure supplied by your air compressor,
you need a larger compressor.
Clean or replace air intake filter. Do not
operate the compressor in the paint
spray area.
Adjust belt tension.
Check and replace if required.
Remove and clean or replace.
Tighten fittings. (See "Air Leaks" section
of "Troubleshooting Guide".)
Adjust tension instructions. (See "Belt
Asjustment or Replacement" section in
this manual.
Check for worn keyway or pulley bore.
Also check for bent motor shaft. Re-
place parts if necessary.
Motor pulley and flywheel must be in line
within 1/32". (See "Pulley and Flywheel
- Alignment" section in this manual.)
Adjust belt tension. (See "Belt Replace-
ment" section in this manual.)
Add oil to top of fill hole in base.
If there is an excessive amount of pres-
sure drop when the accessory is used,
adjust the regulator.
NOTE
Adjust the regulated pressure
under flow conditions (while the
accessory is being used).
Clean or replace regulator or internal
parts.