Check your owners manual, there is a range for the free travel. On my L3560 it's 15-20 mm, 0.59 - 0.78 “. (9/16” - 3/4”).
My parking brake wasn't latching so I adjusted my free travel to about 5/8". It was about 1-1/4" and the rods felt loose so I lengthened them with the turnbuckle.. I...