V0.1
20 Gallon Portable Air Compressor
8474983
Visit www.princessauto.com for more information
13
TROUBLESHOOTING
Visit a Princess Auto Ltd. location for a solution if the tool does not function
properly or parts are missing. If unable to do so, have a qualified technician
service the tool.
Problem(s)
Possible Cause(s)
Suggested Solution(s)
Low pressure or
not enough air or
compressor does
not stop.
1. Tank drain valve is
open.
2. Fittings leak.
3. Restricted air intake.
4. Prolonged excessive
use of air.
5. Compressor not large
enough.
6. Hole in air hose.
7. Tank leaks.
8. Blown seals.
9. Valve leaks.
10. Leaking or worn
piston.
1. Close drain valve.
2. Check fittings with soapy water.
Tighten or reseal leaking
fittings. DO NOT OVERTIGHTEN.
3. Clean or replace intake filter
element.
4. Decrease amount of air used.
5. Check air requirement of
accessory. If it is higher than
CFM and pressure supplied by
compressor, you need a larger
compressor. Most accessories
are rated at 25% of actual CFM
while running continuously.
6. Check and replace if necessary.
7. Immediately replace tank. DO
NOT attempt to repair.
8. Replace seals.
9. Replace valve.
10. Replace piston.
Air leaks from
regulator or
regulator does not
regulate pressure.
Dirty or damaged
regulator internal parts.
Dirty or damaged regulator internal
parts.
Regulated pressure
gauge reading drops
when air accessory
is being used.
1. This is normal.
2. Compressor not large
enough.
1. If pressure drops too low, adjust
regulator while accessory is
used.
2. Check air requirement of
accessory. If it is higher than
CFM and pressure supplied by
compressor, you need a larger
compressor. Most accessories
are rated at 25% of actual CFM
while running continuously.
