From behind the dish, 61.5 comes from the left and should be reflected to the right lnb.
If it is on the left lnb cover the left one with aluminum foil and move the azimuth 8-10 degrees left.
Skew must be set to book value for your zip code.
Only tweak azimuth and elevation to get highest reading of 61.5 on the right lnb.
remove foil from left lnb and tweak both az and el compromising the setting for best signal across both lnbs.
If you can't find 61.5 on the right lnb, you may have a bad lnb.