Introduction

Anti-rust,packing,transportation

Slewing bearing painted by anti-rust oil and lubrication inside&outside,packed by film,brown paper,plasticknit bag.If have special demand,can personalized packing according to the demand.

Bearings place while transportation,allow to place bearings a bit inclination avoid hit and rain.If transporting bearings without packing by wooden cases,more than three wooden cushion blocks shall be used to separate the product from the vehicle floor and place it flat.After opening the package,use the transport bolts to screw the hole of inner ring or outer ring,hang up the bearings on level to the mounting place,the angle between the 2 slings is not more than 120°,so as not to damage the slewing bearing and ensure safety (Picture1-1).

Storage

(1)Anti-rust period (within 12 months after bearing ex-factory), if need maintenance,should have anti-rust treatment to the raceway,surface,gear surface,clear the surface and paint anti-rust grease or industrial Vaseline,fill No.2 pole lithium grease in inner raceway.

(2)Place the slewing bearing on level at dry and plain site to prohibit the slewing bearing contact the ground under direct sunlight,keep far away from water pipe,steam pipe to avoid bearings corrosion,if many slewing bearings pile up together,each slewing bearing place at least 3 equal wooden mats around circle position,the position up and down show be the same(Picture 2-1).

(3)If the slewing bearings storage over 12 months,should anti-rust again.

Notice before mounting

(1)Before unpacking the bearing,please check product certificate,product type,serial number,make sure to received the same products with the contract order.

(2)Product type label,on the non-gear face outer dia of outer ring or inner dia of inner ring.

(3)Quench on surface of bearing raceway are not closed,quench connection is soft zone on bearing side face that marks’’S”as non-quench area.

(4)Make sure to received products without corrosion,wound,damage.
(5)Make sure that sealing no damage otherwise exchange seals,check bearing rotation agility.

(6)Clear the surface grease of mounting bearing,cleanser can not come into bearing raceway while clearing.

(7)Forbid to disassemble bearings,move inner parts privately.

Gear ring tooth surface has 3 max runout with green mark,drive pinion side backlash must be adjusted.

Inspection after mounting

(1)Before debugging slewing bearings,should fill in proper grease, move slowly while filling to make grease equally spaced.

(2)Make sure not effect bearing distortion while mounting,not allowed grounding line to weld slewing bearings and parts.

(3)After all bolts are tightened,rotate the bearing more than 5 circles,and check whether the slewing bearing rotates flexibly and interferes with other parts,whether sealing good,whether have abnormal ringing.After rotation,anew to check backlash data and take a note (Picture4-1).