CSA RA 350, Installation Manual

Page: 47 / 60

Form I-RA/D 350/500, P/N 131090R12, Page 47
Troubleshooting
Continued
Is there sufficient oil
in the supply tank?
Is the pump turning?
Is the vacuum
gauge reading over
10" hg?
Check/clean oil pump
filter, foot valve, and
foot valve strainer.
Disconnect oil supply line at
the pump. Establish constant
pump operation. See
Check-Test-Start "Priming &
Oil Leaks".
Is the oil flow rate
approximately 5.3 oz per
minute for Size 350
or 7.5 oz per minute for
a Size 500?
Reconnect oil supply
line and bleed oil from
burner tee bleeder.
Is the
flow adequate?
Start the heater.
Check for proper
operation.
Is the supply
line blocked?
Is the oil flow in the
aluminum oil pre-heater
blocked?
Dissassemble and
clean the aluminum
oil pre-heater.
Is the burner
tee strainer
blocked?
Remove and
clean the srainer.
Does the fuel
valve open when
energized?
Is there oil
flowing in the return
line?
Replace the relief
valve.
Start the unit.
Check for proper
operation.
Replace the fuel
valve.
Clear blockage or
replace line.
Replace the fuel
pump.
Check pump motor drive
components and set screws
Are they OK?
Is there line
voltage across motor
leads?
Replace fuel
pump motor.
Check wiring and
connections.
Replace or
repair.
Fill oil tank.
YES
NO
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YES NO YES
NO
YES
NO
YES NO
YES NO
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YES
NO
Chart No. 7 - Oil Delivery System
CAUTION: If the heater will be shut down for a long
period, turn off the electric power.