Burner Fan Plate Assembly (continued)
Take care not to damage the O-rings while inserting Fuel Injector.
Note: Inspect Burner Fan Plate Gasket prior to installation. Replace if required.
New gasket MUST be glued in place to the Burner Fan Plate using Loctite 770 and
Place Burner Fan Plate Assembly into the Top Housing.
Note: Always lubricate the O-Rings of the Fuel Injector with common grease (GAA)
to aid insertion.
Insert the Fuel Injector into the fuel boss of the Top Housing, and the other end of the Fuel Injector into the fuel
boss of the Burner Fan Plate Assembly. The wiring connector of the Fuel Injector should be pointing upwards
and towards the fuel boss of the Burner Fan Plate Assembly.
Using a #1 cross-tip screwdriver, install MS Power Connector (J2) to the Top Housing.
Install Power Main Capacitor (C2) in Main Capacitor clamp and tighten bolt on side of the clamp.
Apply Loctite 242 (blue) to eight (8) screws and star washers, and use a #2 cross-p screwdriver to secure the
Burner Fan Plate Assembly to the Top Housing. Ensure the clamp for the Power Inductor (L1) is re-installed
using the screw located under the Fuel Injector and the Inductor is re-installed under the clamp. Tighten all
Attach the Power Fuel Injector connector (J5) and rotate the injector so that the connector faces downward
between the Burner Fan Motor and the Burner Fan Plate.
Install Fuel Pump Assembly (ref. 5.5.3).
Install the two (2) fuel lines to the Burner Fan Plate Assembly fuel fittings.
Install Fuel Pressure Sensor (ref. 5.5.1)
Note: When installing a new Burner Fan Plate Assembly, remove the four (4) nuts
(used for shipping only) holding the Diagnostic Display standoffs in place.
Install Diagnostic Display (ref. 5.5.2)
Attach Logic Wiring Harness connectors for the Fuel Pressure Sensor (J4), and the Diagnostic Display (J2).
Ensure all connectors are properly engaged.
Attach the Power Wiring Harness connector for the Burner Fan Driver Board (J3), ensuring the connector is
Using a 9/16" open ended wrench, connect the fuel supply to the Heater.
Connect vehicle power cable to the Heater MS Power connector (Control Box Connection).
Start the Heater and check that there are NO fuel leaks from the fuel connections (ref. Figure 5-5.9).
Install Top Cover (ref. 5.1.1)