KOMATSU PC 400-7 SWING,RH TRAVEL,BOOM LOW POWER

this video that i would like to share for all people that are facing this type of problem regarding about hydraulic system low power, so in this video is base on my personal actual experience.
warning if you are not professional in this type of work pls becarefull by doing DIY.
click for more video:
   / @caterpillarjhunhunk  

1.,KOMATSU PC400-8 SERVICE MENU SECRET CODE TO ACCESS, MONITORING ERROR, HYD. PUMP PRESSURE, AND MORE.
   • KOMATSU PC400-8 SERVICE MENU SECRET C...  

2.,MAIN RELIEF VALVE, KOMATSU PC220-400/7&8 REPAIRING CAUSE OF VIBRATION OR SHAKING OF PILOT LEVER.
   • MAIN RELIEF VALVE, KOMATSU PC220-400/...  

3.,KOMATSU PC 220/228-6/7 PC & LS PROBLEM ENGINE ITS OVERLOAD OR ALMOST STOP WHILE WORKING.
   • KOMATSU PC 220/228-6/7 PC & LS PROBLE...  

4.,KOMATSU PC400-7 TUTORIAL HOW TO CUTOUT THE INJECTOR SIMPLE PROCEDURE.
   • KOMATSU PC400-7 TUTORIAL HOW TO CUTOU...  

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