一般环境下，中空吹塑装备的按期掩护颐养是一年一次，时辰常支配在节沐日歇息的头几天或在节沐日时代停止.由装备办理职员参与指点功课，由装备修补工和操纵工共同功课。对装备停止按期掩护颐养功课的首要内容以下:

①saochu、caxizhongkongchuisujishanggebuweideyouwujidiankongxiangneihuichen;

③chaikaijiasuxiang、zhouchengyagai，jianchaguanghuayoupinzhijiyouneijinshufenmodejiduo，xuyaoshiyaoxizhuohuanyou;

③jianchageleichuandongzhengjidemosunhuanjing，mosunjiaoyanzhongdechilunyingtingzhicehui，yubeixiacixiubushitidai;

④jianchavxingdaichuandongzhongpidaidemosunhuanjing，bingdiaojivxingdaizhuangpeidesongjin，mosunyanzhongdevxingdaiyaotingzhitidai;

⑤jianchajitongheluogandemosunhuanjing，duiyuqingdudehuashanghemosuncuzhuomian，yaoyongyoushihuoxishabuxiumopingzhanguanghua，jilujitong、luogangongkemiandeshicechicun;

⑥jilumosunjiaoyanzhongdevxingdaixinghaoguifan、zhouchengxinghaoguifan，yanhuyiyanggongkehou，tichupohuaijiandinghuodasuan，yubeixiaciyanhuyiyangshitidai;

⑦jiancha、xiaodingjitongjiarewendu(yongshuiyinwendujishice)yuyibiaoxianxianwendushuzhicha，yiquebaojishougongyiwendudejingquecaozong;

⑧diaoji、shiyangeningjingbaopiezhuangpei，kaozhengqigongkekaodezhuxinghejingquexing;

⑨shiyan、jianchageleiguanlu(shui、qiheguanghuayou)shibushichangda，duishenlouhegengzubuweitingzhixiubu，

⑩jiancha、diaojidianjiarezhuangpei、lengquefengjijiningjingzhaofangwei;quebaotamennengyouyongdiyibandigongke。