This is the reply I sent to another powerlifter turned olympic lifter… maybe it will help you also. BTW, this lifter pretty much has the same dead and squats as you do (250-260kg).
With your deadlift and squat you do have the strength to clean and jerk around 170-180kg and snatch around 130-135kg… I am designing the program of Canadian champ Parm Phangura who squats and deadlifts about the same weights as you and has a 190kg clean and 155kg snatch.
So right now your priority should be to master perfect technique and develop explosiveness.
The toughest thing to do for a very strong guy such as you, is to start a new sport while you have too much strength for the bars you are nbow technically able to do. Basically the fact that you have so much strength makes it harder to develop perfect technique.
So my advice is to split your training into maximal and technical sessions. In the maximal sessions, go very heavy on variations of the lifts (e.g. power snatch, power clean, clean from blocks, snatch from blocks, clean from hang, snatch from hang, push jerks, push presses) and on the technical sessions stay within the 70-85% range on the classic lifts and focus on crispness, pulling speed and speed under the bar.
A good technique session can use a variation of the old Joe Mills template called “20”…
Start with a weight that is 35kg below your max…
Set 1: 5 reps with 35kg less than your max
Set 2: 5 reps with 30kg less than your max
Set 3: 5 reps with 25kg less than your max
Set 4: 1 rep with 20kg less than your max
Set 5: 1 rep with 17.5kg less than you max
Set 6: 1 rep with 15kg less than your max
Set 7: 1 rep with 12.5kg less than your max
Set 8: 1 rep with 10kg less than your max
For a total of 20 reps. If you are successful for the whole 20 reps (successful meaning technically correct and good lift) you can increase the starting load by 5kg at the next session. If you miss even one lift, you stay with the same scheme at the next session. Take only one minute betweem sets.
Depending on the time you have to train you can use one of the following schedules:
6 DAYS PER WEEK
Monday: Technique session (snatch, clean & jerk)
Tuesday: Strength session (snatch/clean pull, squat, push press)
Wednesday: Technique session (snatch, clean & jerk)
Thursday: Strength session (snatch from blocks, clean from blocks, push jerk)
Friday: Technique session (snatch, clean & jerk)
Saturday: Strength session (front squat, deadlift, incline bench press)
Sunday: OFF
5 DAYS PER WEEK
Monday: Technique session (snatch, clean & jerk)
Tuesday: Strength session (snatch/clean pull, squat, push press)
Wednesday: OFF
Thursday: Technique session (snatch, clean & jerk)
Friday: Strength session (snatch from blocks, clean from blocks, push jerk, front squat)
Saturday: Technique session (snatch, clean & jerk)
Sunday: OFF
4 DAYS PER WEEK
Monday: Technique session (snatch, clean & jerk)
Tuesday: Strength session (snatch/clean pull, squat, push press)
Wednesday: OFF
Thursday: Technique session (snatch, clean & jerk)
Friday: Strength session (snatch from blocks, clean from blocks, push jerk, front squat)
Saturday: OFF
Sunday: OFF
During the strength session I would suggest a 3/2/1 wave scheme … one wave = 1 x 3, 1 x 2 , 1 x 1 … if you complete all 6 lifts in a wave, you start a new one with 2,5-5kg more than the preceding wave on all sets. Continue until you miss a lift. When you miss a lift you can attempt it one more time, if you miss, the exercise is over.
Take around 2 minutes between sets.
Hope this helps!