Bradford White U-TW4-75S-76R-3N - Manual (Page 23)

U TTW SERVICE PROCEDURE V
Blower Testing and Replacement
Step 1. Position gas control power switch to the “OFF”
position and unplug heater from wall outlet.
Step 2. Disconnect vent system from exhaust adapter
on top of blower.
Step 3. Remove exhaust adapter from blower (blade
screw driver) and retain for use on new blower.
Step 4. Unplug cord sets from blower.
Step 5. Remove the three blower mounting screws
(¼" nut driver).
Step 6. Remove blower with gasket from water heater.
Blower Mounting
Screws
Blower
Cord Sets
Step 7. Clean any debris from jacket head of water heater.
Step 8. Set new blower with gasket in place using locating pins on
blower flange to line up with location holes in jacket head.
Be sure not to damage gasket.
Step 9. Secure blower in place using mounting screws from step 6.
Step 10. Re-install exhaust adapter from step 4.
Step 11. Reconnect vent system to
exhaust adapter.
Step 12. Reconnect cord sets from step 5.
Step 13. Plug blower power cord into wall outlet.
Step 14. Position gas control power switch to the “ON” position.
Step 15. Verify proper blower operation.
Locating Pins
on blower flange
Pin location holes in
jacket head
Remove exhaust adapter
and retain for use on
new blower.
Blower Removal
Blower Installation
Page 23
Gas Control shown in the “OFF” position
R
23