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P/N: 307271
SYMPTOM CAUSE REMEDY
Out of fuel Check fuel level and add fuel if necessary.
Fuel filter restricted. Change fuel filter.
a. Engine collant level low; add coolant.
b. Compressor oil and radiator flow
restricted; clean coolers.
c. Fan belts slipping or broken; repair or
replace.
d. Compressor oil low; add oil.
e. Engine oil level low; add oil.
f. Compressor oil filter restricted; change
the filter.
g. Engine oil filter restricted; change the
filter.
Defective safety shutdown
switch.
Check the shutdown switches.
Thermostatic valve
malfunctioning.
Clean or replace the thermostatic
element.
Defective gauge. Replace the gauge.
Air demand too great.
Check service lines for leaks or open
val ves .
a. Check to see fit the blowdown valve is
getting a pilot signal.
b. Repair or service valve.
Faulty coupling. Replace the coupling.
Defective gauge. Replace the gauge.
a. Check for restrictions in the control
lines.
b. Repair or replace control air cylinder.
c. Check that the inlet valve is closing.
a. Adjust the regulator
b. Repair or replace the regulator.
Compressor undersized for
the air requirement.
Recheck maximum air requirement.
Engine speed low. Check speed and adjust as necessary.
a. Check air filter for dirt and make sure
the indicator is working.
b. Look for obstructions in the filter and
inlet piping.
c. Check that the inlet valve is opening
fully.
Faulty drive coupling. Replace the coupling.
With no demand
the compressor
builds excessive
pressure.
Air cylinder not fully
extending.
Pressure regulator not
properly adjusted or faulty.
Insufficent air
delivery
Air intake restricted
Machine shuts
down with air
demand present.
Safety shutdown switches
activated.
Machine will not
build up pressure
Blowdown valve open.