Challenger Blower
Replacement Kit
3
NOTICE
Do not discard the blower orifice as it will be reused.
9. Once the blower is taken out, remove the venturi
clip on the back of the blower using pliers.
10. Remove the gas pipe & venturi assembly from the
blower inlet,
See Fig. 3
.
NOTICE
Note the orientation of the gas pipe and venturi before re-
moval for reassembly.
Fig. 3: Blower Assembly
* Blower orifice installed in 85 and 105 only
2. Installation of Blower
1. Prior to reassembling the gas pipe and venturi into
the new blower, replace the gas pipe o-ring at the
end of the gas pipe.
2. Insert the venturi and gas pipe into the blower
housing in the proper orientation, see Fig. 4. Ensure
the venturi and gas pipe are properly seated.
3. Insert the venturi clip into the blower housing. En-
sure the venturi clip is holding the venturi and gas
pipe in place by lightly pulling on the gas pipe.
NOTICE
Do NOT force the clip into a flush fit with the blower surface.
Fig. 4: Venturi assembly installation
4. Seat the blower orifice (if required) and blower
outlet gasket onto the blower flange. Position the
gasket so it will allow alignment with the mounting
studs of the burner assembly.
NOTICE
Do not use any adhesive on the gasket surface during as-
sembly.
5. Install the new blower on the burner assembly us-
ing (2) M5 flange nuts.
WARNING
!
Failure to insert the gas orifice before reassembling
the gas pipe to the gas valve can result in the produc-
tion of carbon monoxide due to incomplete combus-
tion and may result in substantial property damage,
serious injury, or death.
