Form 465, Page 24
Pump
Screen
Gasket
Cover
Bolts
b) If the screen appears unclogged, reconnect the
inlet line making sure that the connection is tight.
Do not remove the pump cover. Go to the instruc-
tions for “Recharging the Suction Line” (below).
2. Remove and Clean the Screen
• To access the screen, the pump cover must be removed.
• Remove the four bolts that hold the pump cover. (Be
careful, pump is full of oil).
• Remove the cover being careful not to lose or damage
the gasket.
• Remove the circular screen and clean with a solvent and
compressed air.
NOTE:
If the screen is damaged during cleaning, replace it with
Reznor P/N 123450.
3. Reassemble the pump
•
Check the gasket and if a replacement is needed, replace
it with Reznor P/N 123451.
•
Re-assemble the pump and reconnect the inlet oil line
being sure that the connection is tight.
Cleaning the Pump
Continued
Recharging the Suction Line
•
Remove the fill plug from the inlet manifold and slowly fill the suction line with oil (allow time
for air to escape).
•
Replace the plug.
•
Check vacuum gauge connections and filter housing to be sure that everything is tight. The suction
line must be full of oil and all connections tight for the heater to operate properly.
NOTE
: Refer to the section, “Priming and Leak Check” (starting on page 18) for check list and instruc-
tions.
Cleaning the Burner Oil Strainer
• Identify the strainer tee located in the fuel
line just upstream from the burner.
• Reinsert the cleaned
screen and spring into
the tee. With the “O”
ring in place, re-attach
the hex nut.
Oil Strainer
Tee
Remove
Hex Nut,
Strainer
Screen &
Spring
Hex Nut
&“O” Ring
Strainer
Screen
Spring
Instructions for cleaning the burner oil strainer:
• Remove the hex nut from the end of the strainer
tee, being careful not to lose the “O” ring.
• Remove the spring and strainer from the inside of
the tee. Clean by washing both the spring and
screen with a solvent.
