Omega Engineering JD 4045, 185-210 DUS manual 29 P/N

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
Machine shuts	Safety shutdown switches	replace.
		d. Compressor oil low; add oil.
down with air	activated.
		e. Engine oil level low; add oil.
demand present.
		f. Compressor oil filter restricted; change
		the filter.
		g. Engine oil filter restricted; change the
		filter.
	Defective safety shutdown	Check the shutdown switches.
	switch.
	Thermostatic valve	Clean or replace the thermostatic
	malfunctioning.	element.
	Defective gauge.	Replace the gauge.
	Air demand too great.	Check service lines for leaks or open
Machine will not		valves.
		a. Check to see fit the blowdown valve is
build up pressure	Blowdown valve open.
		getting a pilot signal.
		b. Repair or service valve.
	Faulty coupling.	Replace the coupling.
	Defective gauge.	Replace the gauge.
With no demand	Air cylinder not fully	a. Check for restrictions in the control
		lines.
the compressor	extending.
		b. Repair or replace control air cylinder.
builds excessive
		c. Check that the inlet valve is closing.
pressure.
	Pressure regulator not	a. Adjust the regulator
	properly adjusted or faulty.	b. Repair or replace the regulator.
	Compressor undersized for	Recheck maximum air requirement.
	the air requirement.
	Engine speed low.	Check speed and adjust as necessary.
Insufficent air		a. Check air filter for dirt and make sure
		the indicator is working.
delivery	Air intake restricted	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.

29 P/N: 307271