Aqua-Hot 375-d Service Manual page 86

S
ECTION
3. Using a Phillips screwdriver, remove the two screws se-
curing the Air Guide in place on the Blower Housing.
NOTE: It may be necessary to remove the nut and bolt from
the Air Band and rotate the Air Band slightly in order
to access the Air Guide's screws.
4. Remove the defective Air Guide from the Diesel-Burner.
5. Install the replacement Air Guide onto the Diesel-Burner.
6. Secure the replacement Air Guide to the Blower Housing
with the two screws previously removed.
7. If applicable, return the Air Band to its original configura-
tion and secure it in place with the nut and bolt previously
removed.
8. Insert the Blower Motor and Blower Wheel Assembly into
the Blower Housing and secure it with the two bolts previ-
ously removed.
Figure 80
8: D B
IESEL URNER
®
© 2009 Aqua-Hot 375D Hydronic Heating System Service Manual—Rev. A
C
OMPONENTS AND
NOTE: In order to connect the Fuel Pump Assembly to the
Blower Motor with the Coupling, it may be necessary
to pull the Ignition Module Assembly back on its
hinge and rotate the Blower Wheel slowly until both
the Blower Motor and Fuel Pump Assembly are seat-
ed correctly on the Coupling.
9. Following the procedure for "Detaching and Reattaching
the Diesel-Burner," located in Section 4 of this manual,
reattach the Diesel-Burner to the Aqua-Hot.
NOTE: The Mounting Gasket must be replaced each time the
Diesel-Burner is detached from the Aqua-Hot; refer-
ence the procedure for "Detaching and Reattaching
the Diesel-Burner," located in Section 7 of this manu-
al for instructions.
Be sure to remove the clamps from the Fuel Supply and Fuel
Return lines prior to starting the Diesel-Burner.
R I
EPAIR NFORMATION
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