http://www.mceinc.com/products/manuals/WebManuals/HMC-PHC%20ASME%202000%20(42-02-1P01%20Rev%20C2).pdf
Also MLT/VLT data trap procedure is on page 6-23 of the old hydro manual.
http://www.mceinc.com/products/manuals/WebManuals/Motion_2000_Hydraulic_V9_42-02-1P21_A9.pdfBoth manuals available from their website, see links. Good luck!