Aqua-Hot Hydronic Heating System Shop Manual 09/04
®
SECTION 8: DIESEL-BURNER SERVICE, MAINTENANCE, AND REPAIR INFORMATION
Fuel Pump,
continued
and secure in place with the four
Fuel
Nozzle Manifold Plate Screws
.
Install the new
Grommets
on both
Fuel Tubes
(Supply and Return) and
secure the tubes to the
Fuel Pump
with the new
Banjo Bolts
and
Gasket
Rings
; reference Figures 19 and 22.
NOTE:
Reference Figure 22 for the correct order placement of the (4)
Gasket
Rings
. Failure to use the new
Gasket Rings
, and/or the correct order
placement, will result in a leaky Fuel Pump.
8.
Reconnect the C-Plug Harness’
Violet (+)
and
Brown (-)
wires
to the Fuel
Solenoid’s
(+)
and
(-) Electrical Terminals
; reference Figure 18. Insert
both
Ignition Cables
into the new rubber
Grommet
and slide into the
appropriate notch on the
Blower Casting
; reference Figure 19. Recon-
nect the
Ignition Cables
to the
Ignition Electrodes,
then remove the fuel
line clamps from both the
Fuel Return Line
and the
Fuel Supply Line
;
reference Figure 19.
9.
Reinstall the
Photo Disc
and secure it in place with the
Retaining Clip
;
reference Figure 19. Reconnect the Flame Sensor’s
Green
wire to the
Green
C-Plug Harness wire and the
Blue
wire to the C-Plug Harness’
Violet
wire; reference Figure 15.
NOTE:
Check the
Ignition Electrodes
for proper adjustment; reference Steps 2
through 4 of the “Adjustment Procedure” in Section 8.5 to ensure proper
Ignition Electrode
adjustment.
Figure 22
45 Grommet, Blower Casting, Left
46 Grommet, Blower Casting, Right
59 Sensor, Flame
60 Clip, Retaining, Photo Disc
61 Disc, Photo
62 Pump, Fuel
65 Tube, Fuel, High Pressure
66 Bolt, Banjo
67 Gasket, Ring, Copper
68 Tube, Fuel, Banjo, Supply
69 Tube, Fuel, Banjo, Return
70 Screw, Mounting, Fuel Pump
71 Washer, Lock, Fuel Pump
72 Nozzle, Fuel, 0.35 GPH
73 Manifold, Fuel Nozzle, Brass
74 Screw, Manifold Plate
75 Plate, Manifold
76 Gear, Fuel Pump, Nylon
77 Ring, Snap
77
46
45
76
75
74
74
74
74
66
67
68
73
72
59
61
60
71
70
65
62
71
70
69
67
66
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