工程起重吊車上17個不可堵塞的“小孔”

　 (16)製動總泵泵蓋的通氣孔、總泵回油孔(平衡孔)和he補bu償chang孔kong，可ke以yi確que保bao製zhi動dong液ye的de補bu充chong和he回hui流liu，使shi製zhi動dong解jie除chu徹che底di，避bi免mian侵qin入ru管guan路lu內nei。要yao經jing常chang用yong較jiao細xi的de鋼gang絲si疏shu通tong

，確que保bao清qing潔jie暢chang通tong。一yi旦dan堵du塞sai會hui導dao致zhi製zhi動dong“發咬”、總泵漏油等故障。

　 (17)zhuliheqihezhuanxiangliheqiketixiafangdexiaokong，yongyujishipaichuconggechuxieloudaoliheqineideyouwu，ruguofashengdusai，guoduoyouwujiuhuijinrumocapianbiaomian，congeryinqiliheqidahua、動力傳遞不穩等故障。