Westinghouse AC System Installation Manual page 50

Westinghouse Solar AC Installation Guide
Installing "S" or Barrel Tile Roof Attachment hardware
Step 1. Remove tile at attchment location. Step 2.predrill at rafter attachment location.
Step 3. Apply sealant to attachment location. Step 4. Place standoff base over pre-drilled hole.
Step 5. Using lag Bolt with included washer, attach standoff base to roof surface using an impact driver.
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