Form I-RA/D 140/235 (Version A), Page 26
Pump
Screen
Gasket
Cover
Bolts
the pump cover. Go to the instructions 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 Cont’d
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 19) for check list and instruc-
tions.
Cleaning the
Burner Oil Strainer
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.
• 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
• Identify the strainer tee located in
the fuel line just upstream from the
burner.
