Bradford White M1TW40S Series Service Manual page 36

Step 10. Firmly place right side inner door flange against the left side inner door flange and secure with two ¼" drive
screws from step 3b. DO NOT OVER TIGHTEN SCREWS.
Step 11. Align right side inner door to combustion chamber and verify the fastener holes of the combustion
chamber are aligned with the right side inner door slotted opening. Verify seal integrity around
combustion opening. Secure right side inner door using 1/4" hex drive screws from step 3a. DO NOT
OVER TIGHTEN SCREWS. Verify both left and right sides of the inner door are properly positioned and
sealed against the combustion chamber.
Step 12. Replace outer jacket burner access door.
Step 13. To resume operation follow the instructions located on the lighting instruction label or the lighting instructions
located in the installation and operation manual.
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36
Inner Door/Gasket Removal, Inspection
Secure flange with
¼" drive screws.
Verify threaded hole
alignment with slotted
openings in inner door.
TTW SERVICE PROCEDURE XIII
Replacement and Reinstallation
Page 36