A.回轉(zhuǎn)機(jī)構(gòu)各部間隙調(diào)整應(yīng)適當(dāng),回轉(zhuǎn)時(shí)不應(yīng)有明顯晃動(dòng)或抖動(dòng),并應(yīng)具有滑轉(zhuǎn)性能,行走時(shí)轉(zhuǎn)臺(tái)應(yīng)能鎖定
B.行走鏈條不應(yīng)有偏磨、損傷;上部履帶撓度應(yīng)在40mm~50mm之間
C.起重機(jī)的行駛跑偏量不應(yīng)大于25cm
D.機(jī)架、轉(zhuǎn)臺(tái)、A型架和臂架等結(jié)構(gòu)應(yīng)無(wú)塑性變形,焊縫應(yīng)無(wú)可見(jiàn)裂縫