Troubleshooting Chart - Speedaire Site Boss 1WC94 Manuel D'utilisation

Speedaire Operating Instructions and Parts Manual
Speedaire
E

Troubleshooting Chart

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G
L
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can occur. Unplug the compressor before attempting any repairs.
S
H
Symptom (s)
Excessive tank
pressure - safety
valve pops off
Air leaks at fit-
tings
Air leaks at or
inside check valve
Air leaks at pres-
sure switch
release valve
Air leaks in air
tank or at air
tank welds
®
"Site Boss" Air Compressor
Voltage sources, moving parts, or compressed air sources
are exposed when repairing the compressor. Personal injury
Possible Causes (s)
1. Pressure switch does not
shut off motor when com-
pressor reaches "cut-out"
pressure
2. Pressure switch "cut-out"
too high
Tube fittings are not tight
enough.
Check valve seat damaged
Defective pressure switch
release valve
Defective air tank
Corrective Actions (s)
1. Move On/Auto/Off lever to the
"OFF" position, if the air compres-
sor does not shut off contact a
Trained Service Technician
2. Contact a trained service technician
Tighten fittings where air can be
heard escaping. Check fittings with
soapy water solution. Do Not
Overtighten
A defective check valve results in a
constant air leak at the pressure
release valve when there is pressure in
the tank and the compressor is shut
off. Replace check valve. Refer to the
"To Replace or Clean Check Valve" in
the "Service and Adjustment" section
Contact a trained service technician
Air tank must be replaced. Do not
repair the leak
modify air tank or it will weaken.
The tank can rupture or explode.
18
1WC94
Do not drill into,
weld or otherwise