Note: 1。 Only use Favco 70T Tower Bolts, which have 70T Tower Nuts, which have A3-T156。016/2 Embossed on them。 2。 Bolts to be torqued to 4511 N-m (3327 ft-lbs) lubricated with Molykote 1000。
Do not use other friction reducing compounds on the bolt threads。 Final torquing to occur with crane balanced on the top of tower。
3。 Ensure all mating surfaces of the pads to be bolted together are free of any contamination, rust or paint。 4。 Ensure the tower bolts are in good and undamaged condition and have been non destructive tested for cracks。
5。 Quantities are per paid。 6。 The bolts can be inserted from either top or bottom and the nuts should be torqued not the bolts。
7。 Molykote 1000 lubricant to be applied liberally to all of bolt thread and to contact bearing face of nut and under the head of bolt。
注意事项: 1、只能使用70T Favco塔机螺栓,附有70T塔机螺母,螺母上刻有A3-T156。016/2的字样。 2、螺栓的扭矩力为4511牛米(3327英尺-磅),并须加Molykote 1000润滑油膏。不可使用其他减低螺栓螺纹摩擦的化学品。
在最终扭矩的同时,塔式起重机的顶部应是平衡的。 3、须确保所有与螺栓紧固在一起的垫的接触面无任何污染、铁锈或油漆。 4、须确保塔机螺栓性能良好及完好无缺,并已曾作不具破坏性的裂缝检测。 5、数量与已支付的数目相同。 6、螺栓可以从顶部或底部置入,应扭矩的部份是螺母,而不是螺栓。
7、在所有螺栓的螺纹上、螺母的接触轴承面及螺栓头之下,皆应慷慨地涂上Molykote 1000润滑油膏。