Ive just analyzed 3 pumps yesterday and I evaluate stress by its full stress range

L1 - HYD
L2 - OPE - W+P1+T1 - Maximum Design Temperature
L3 - OPE - W+P1+T2 - pump A running, pumps B & C idle (Operating Temp)
L4 - OPE - W+P1+T3 - pump B running, pumps A & C idle (Operating Temp)
L5 - OPE - W+P1+T4 - pump C running, pumps A & B idle (Operating Temp)
L6 - OPE - W+P1+T5 - pumps A & B running, pump C idle (Operating Temp)
L7 - OPE - W+P1+T6 - pumps A & C running, pump B idle (Operating Temp)
L8 - OPE - W+P1+T7 - pumps B & C running, pump A idle (Operating Temp)
L9 - OPE - W+P1+T8 - pumps A & B & C running (Operating Temp)
L10 - OPE - W+P1+T9 - Minimum Design Temp
L11 - SUS - W+P1
L12 - EXP - L2-L10

Please please correct me if I was wrong