[Elecraft] K2/100 Transition back to Receive in CW

[Jim Brassell K4ZMV]

I am using my K2/100 Ser. 5731 to drive an Ameritron ALS-600 and I am
experiencing a problem when the K2 switches back to receive.  It is
switching back before the RF completes and the amplifier T/R relay contacts
are arcing and causing the the relay to stick in the transmit position.  My
ALS-600 has a QSK mod by AD5X to accommodate fast QSK (3 ms or so).  I used
one of my K3's to drive this same amplifier and never had a minutes trouble. 
Is there a mod to the K2 that can lengthen the switch to receive delay?  I
have found a mod to the amplifier done by Phil Salas, AD5X, that will hold
in the T/R relay to accommodate the exciter RF, but nothing for the K2. 
Thanks for your help.
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