Re: 1951 Johnson QD12 lower unit won’t drop Home › Forum › Ask A Member › 1951 Johnson QD12 lower unit won’t drop › Re: 1951 Johnson QD12 lower unit won’t drop bob-dUS Member - 1 Year (includes $3 online payment fee)Replies: 514Topics: 104 December 9, 2017 at 10:41 pm #68443 Thanks Don, will give this method a shot. Don’t have a tip for my air hammer that looks like that. Will have to get the grinder out and improvise. Bob