Attached the final drawing for the revamping.
We confirm below items will be the final list:
N. 2 liner reducers 140 to 120 GPN103906
N. 1 liner reducer 120 to 100 GPN103907
N.1 complete new piston 120, GBM101408 we can use the 1 existing piston 120 together with N.2 existing special nuts on it.
N.1 complete new piston 100, GBM100409 we need the new counterweight on it
N.1 counterweight for the existing 80 piston