Dear khun Chatchavadee
Regarding to Gear and Pinion Shaft of Main Equipment J-1302 (HANSEN / Gear unit QHPM4-RLD-280 S/N R05A 312326)
TPRC to Continue running from Feb’2012 to Sep’20,2015 torque suddenly drop
After open inspection door they found Gear and Pinion Shaft Stage 3 ,Broken (Didn’t any sign off the vibration)
TPRC ESD shutdown unit and quickly to install new completed set for use
However :TPRC want to know this plosible and Root cuase analyst
Please sent suppervisor for discuss and analiyst part for improve this plopblem.