Speedaire 1WD36 Manual De Instrucciones De Operación Y Partes página 13

Speedaire
Operating Instructions & Parts Manual
Models 1WD36, 1WD37, 1WD38,
1WD40, 1WD44
Troubleshooting Chart (cont'd)
Symptom Air leaking from centrifugal
unloader when unit is running
Excessive belt wear
Compressor runs hot
Interstage pressure relief valve
pops off
Excessive oil consumption
Automatic tank drain fails
to drain condensate
Air leaking from automatic tank
drain timer screw
For Service and Warranty, Call: 1-888-303-1344
Possible Cause(s) Centrifugal unloader release valve
dirty or defective
1. Pulling out of alignment
2. Belts too tight or too loose
1. Improper flywheel rotation
2. Defective compressor valves
3. Dirty air filter
4. Dirty cylinder and/or intercooler
Defective compressor valves
1. Dirty air filter
2. Wrong oil viscosity
3. Oil leaks
4. Worn piston rings
5. Scored cylinder
1. Incorrect timer setting
2. Air leak in line from pressure
switch to tank drain
3. Defective pressure switch
1. Defective pressure switch
2. Faulty check valve
13
Corrective Action Clean or replace release valve.
1. Realign motor pulley
2. Adjust belt tension
1. Check for correct rotation
(Counter clockwise when viewed
from drive side)
2. Install new valve plate assembly
3. Clean or replace
4. Clean cylinder fins and/or
intercooler
Install new valves
1. Clean or replace
2. Refill with proper viscosity oil
3. Tighten bolts. Replace gaskets
4. Replace rings
5. Replace cylinder
1. Adjust timer screw
2. Check for leaks. Tighten for all
fittings
3. Repair or replace pressure switch
Warning – Relieve tank
pressure before servicing
1. Repair or replace pressure switch
Warning – Relieve tank
pressure before servicing
2. Clean or replace
Warning – Relieve tank
pressure before servicing
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