(1)活塞桿與填料函裝配時(shí)有偏斜,造成局部相互摩擦,應(yīng)及時(shí)進(jìn)行調(diào)整;
(2)密封環(huán)的抱緊彈簧過緊,摩擦力大,應(yīng)適當(dāng)調(diào)整;
(3)密封環(huán)軸向間隙過小,應(yīng)按規(guī)定要求調(diào)整軸向間隙;
(4)給油量不足,應(yīng)適當(dāng)增大油量;
(5)活塞桿與密封環(huán)磨合不良,應(yīng)在配研時(shí)加強(qiáng)磨合;
(6)氣和油中混入雜質(zhì),應(yīng)進(jìn)行清洗并保持干凈。