Old-Biscuit wrote:
Trailer drum brakes have to be adjusted so that there is a slight drag on shoes/drum
Then the new shoes have to be 'burnished' so shoe material 'wears in' to drum surfaces ---same with new magnets
Brake adjustments on pg. 13
Burnishing on pg. 11 & 16
Synchronizing brakes pg. 12
Troubleshooting pg.18
https://www.lancecamper.com/docs/manuals/Dexter-axles.pdf
Agree 100%.
But he paid to have it done by a "professional". Take it back to the "professional" and see what they have to say. If it's not satifactory, do a charge-back on your credit card. Something was not done right.