Bradford White UPV Series Service Manual page 35

UPV Service Procedure XIV – Inner Door/Gasket Removal, Inspection,
and Replacement
Inner Door Gasket Replacement Procedure
If the information in these instructions is not followed exactly, a fire or
explosion may result causing property damage, personal injury, or death.
Step 1. After inspection of inner door as noted in Inner Door Removal Procedure Step 9,
completely remove gasket and adhesive residue from right and left side inner doors as
needed.
Step 2. Use RTV sealant (recommended bead size 1/8") to secure the inner door gasket to the
inner door sections (right & left). Refer to illustration on next page for proper application.
Note the overlap configuration in the flange area of the inner door. Set the flange section
first, this will help to achieve the proper overlap position.
Installation of Inner Door with Gasket
Stripped fastener connections may allow for seal breach of inner door. A
seal breach may result in a fire or explosion causing property damage,
personal injury, or death. DO NOT over tighten screws in Steps 2, 4 and 5.
Step 1. Clean any residual gasket residue or other debris from combustion chamber surface before
installing the inner door/gasket assembly.
Step 2. Place the left side inner door into position first. Using the ¼" hex drive screws, secure left
side inner door in place. DO NOT OVER TIGHTEN SCREWS.
Step 3. Position the pilot tube and spark igniter wire against the left side inner door flange gasket.
Step 4. Firmly place right side inner door flange against the left side inner door flange and secure
with (2) ¼" hex drive screws. DO NOT OVER TIGHTEN SCREWS.
WARNING
WARNING
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