Speedaire 1WD5 Serie Instrucciones De Operación Y Manual De Partes página 13

Speedaire
Operating Instructions & Parts Manual
Models 1WD50, 1WD52, 1WD67, 1WD68,
1WD70 thru 1WD76, 1WD78
Troubleshooting Chart (Continued)
Symptom
Excessive belt wear
Compressor runs hot
Interstage pressure relief
valve pops off
Excessive oil consumption
System does not alternate
(Duplex units only)
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)
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. Starter tripped
2. Loose wiring in alternator
3. Defective alternator
4. Defective motor
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
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 valve plate assembly
1. Clean or replace
2. Refill with proper viscosity oil
3. Tighten bolts. Replace gaskets
4. Replace rings
5. Replace cylinder
1. Reset starter. If starter trips
repeatedly, have electrical system
inspected by an electrician
2. Check and tighten all wiring
connections
3. Replace alternator
4. Replace motor
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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