Graco HYDRA-CLEAN C Series Instructions-Parts List Manual page 8

TO
BLEED FUEL LINES: Hydra-Clean unit must be in
operation with fuel
in tank. Turn on heater switch,
fuel sprays out. Close air bleed port.
blower motor must be running, open air bleed port until
TO
CHECK FUEL PRESSURE: Remove pressure gauge
plug and insert gauge in hole. Turn on ihe burner.
Normal operating pressure is 100 PSI i 5 PSI.
TO ADJUST FUEL PRESSURE: (See illustration.)
Insert small screwdriver in screwhead located next to
side inlet port" and turn clockwise for more pressure
and counterclockwise for less pressure. (One complete
turn equals 10 PSI.)
SERVICING THE FUEL PUMP: Periodically clean fuel
strainer.
A
clogged strainer may cause fuel starvation.
GAGE PORT
INLET
Q
PORT
4
RETURN AND
BYPASS PORT
" " l ' ! E N B < X T 2 M O T O R
-
O N
0
= WIRE NUT
@
=
GROUND SCREW
I J G N C
BOX ON
" 1
HEATER
4
RN
u u
SOLENOID TRANSFORMER
8 801-237