Please make trouble analysis for me. Below is my comment:
1. Please order spare parts of rotary actuator because now we had spare for replacement of 1 Pc for each side. Max?
a. Please make MTP plan for replacement rotary actuator to rack and pinion as BPE had done for us.
b. 520 and staff please plan this project for MM. Data and cost and delivery of this project please take it from 510B1
2. We need more deep analysis for Why this trouble happen? Please recheck FTA and recheck each check point that we need to investigation.
a. This trouble drop door cannot close because hydraulic pressure leak from rotary actuator WS.
b. After disassembly found seal at rotary vane shear. It just change in Feb'15. Because last time shaft of rotary actuator was broken.
c. So we need more analysis for why? And from what's root cause?
d. Pressure over spec?
e. From drop door cannot close. Build pressure over spec 6.5 MPa to 8.0 MPa why? Because seal leak?
f. Need to check why drop door need more pressure to drive rotary actuators for close it?
g. Auto Grease up system it had any points leakage. Please repair urgent! Because grease it will be not reach to drop door shaft. That will be make more friction or worn out to it.
h. Or rotary actuator in DR side abnormal. Please investigate it for me.
i. Take long time for repair because MM not have skill for how to check and confirm position for check it. Because it no had mark at spline for check matching position.
j. This trouble need feedback to Kobe for improvement.
3. And replacement Spare parts rotary actuator from Kobe make us loss time for check position of drop door and for finally we need modify dog detect position of drop door close-open. Because key and mark position are not matching in same position.
a. For make it repair time more shorten. Please make one lesson for this work. And Every one should be read manual of your machine more than this.
b. Or make trouble shooting for make standard for walk thru or running inspection for MM BD in shift for monitoring machine trouble for us. And make other machine check for time of drop door open and close.
c. Please make detail of trouble with picture for send to 500Z for feedback to Kobe.
4. For now mechanic trouble main cause from leakage many case. So I need 510B
a. please make summary points for we need to make plan for change seal for cylinder and other. Especially for Curing and BB.
b. Then order it and plan to replacement ASAP.
c. And make MTBF for control life time of seal at each points.