Did some shunting at the weekend for local tipper firm, and cab hopped, from a Scania to a Volvo and back to a Scania. So into first wagon ,tip back to yard park up, remove card straight into Second wagon, put card in,again tip, back to yard,remove card and lastly into the third wagon, each time doing a walk around check on Other work before setting off to tip. So 1 Is this ok to do, 2 going from the Scania to the Volvo the tacho flashed up TIME OVERLAP? 3 I had kept a mental note on my driving time which when I jumped into the third wagon seemed to tally up with the tacho time. 3 should I have done a print out from each wagon just in case?
Time over lap was because the clocks were out by mins when you did the swapping.
You might be better next time to eject card do walk round insert card do manual ent for the walk round , or
Take card out check time , check time on 2nd unit before inserting card
this is fine and you haven’t done anything wrong/no need to do anything different to what you did. It would be very clear to anyone inspecting your tacho what has happened, and you would not be required to document the fact. (Note, this comment is based on the assumption that if your tacho is looked at it is by someone with a degree of sense!)
As above, I had my card looked at by vosa with time overlap on there and was fine.
We had an 8 wheeler where the clock was set 30 mins different to every other motor and could not for the life of us get it to change.
The vosa man saw this, pointed it out and recommend that I should correct the time by 2 minutes per day until late the clock caught up.
Nothing wrong with that as said above you may need to enter some manual entries to State what you was doing in between changing vehicles…
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BradCarTransporter:
We had an 8 wheeler where the clock was set 30 mins different to every other motor and could not for the life of us get it to change.
It is a legal requirement to have the clock corrected at a tachograph centre if it is more than 20 minutes out from UTC. You can only change the UTC time by one minute every seven days, so it would take you seven months to change it yourself a minute at a time.
I don’t doubt what you’re saying at all, I’m just stating what happened in my case. If it makes any difference this was about 4 years ago ok the weighbridge at Harlow on the m11
BradCarTransporter:
As above, I had my card looked at by vosa with time overlap on there and was fine.We had an 8 wheeler where the clock was set 30 mins different to every other motor and could not for the life of us get it to change.
The vosa man saw this, pointed it out and recommend that I should correct the time by 2 minutes per day until late the clock caught up.
You were lucky, at their discretion they can fine you per minute the tacho is out; If your clocks out, legs arn’t fully wound up and a dozen dead flies on your windscreen … could be re-mortgage the house time 
