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hydraulic hammer

  1. Liviu Popescu

    CAT 330A LN H140 Hydraulic Hammer not working

    Hi all, We have a CAT Hydraulic Hammer (4SL) Fitted to a CAT 330 LN excavator (8CK00054). We've had this combo for a lot of years and never really had any issues with it. Last year the piston broke in half because we had it rented and it ran without nitrogen so we went ahead and ordered new...
  2. zppark

    difference between internal valve and external valve hydraulic hammers

    As hydraulic hammers' design updating these years, it seems internal valve types are becoming the main current. Only several brands like Furukawa still insist on the external valve. Does this mean a trend in the future? As I collect materials on google I found very little information about...
  3. zppark

    let's complete this maintenance guide on hydraulic hammers

    I've always heard about storing your hydraulic hammer standing up in the forum, or questions about nitrogen check. Then I came out with this guide, initially aiming to serve my clients. I hope to get more advice from you guys. Kindly help to complete the maintenance guide, then leave your...
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