SLEWING DRIVE INSTALLATION MANUAL Unique Transmission Equipment (Luoyang) Co., Ltd.

• Please read this manual carefully before installing the slewing drive. • This manual contains the necessary information for correct installation and maintenance of the slewing drive. • All the work steps listed below are to be executed by suitably qualified personnel. • Please do not hesitate to contact our technical department for any further assistance. Unique Transmission Equipment (Luoyang) Co., Ltd. Add: No.22 Binhe North Road, High-tech Zone, Luoyang (471000), Henan Province, China E-mail: [email protected]

The structure sketch of slewing drive Slewing Ring Seal Flange Housing Slewing Ring

1. Transport, Handling & Storage Provisions 1.1 Transport & Handling Please keep the packing boxes placed in the specified direction to avoid collision when transporting the slewing drives. Please wear work gloves and take it carefully when handling the slewing drives. Slewing drives generally have threaded holes on the outer ring and must be handled safely using 3 or more lifting rings and lifting devices. 1.2. Storage Store only in a prescribed position and in ventilated and dry places, the surface corrosion protection holds for approx. 6 months in closed packaging, longer period storage requires...

2.3. Mounting Bolt Selection We do not recommend or supply assembly bolts, the following terms are a. Please select the correct bolt specifications, models and performance levels. b. Bolt grade not less than grade 8.8. c. The bolt length screwed into the screw hole is generally 2 times the bolt nominal diameter. d. Do not allow the bolts to be screwed out of the screw holes, otherwise this may cause interference and damage to the machine parts. e. Use flat washers of appropriate size and high strength so that the permissible interfacial pressure is not exceeded. 2.4. Bolt Tightening Torques *The...

The following procedure shall be followed in order to avoid deviations between bolt tightening forces. a. Apply thread lock liquid to threads. b. Preload the bolts including washers, if required, crosswise. See the general pattern in sketch below of how bolts get torqued in crosswise sequence. Start with either inner ring or outer ring. The crosswise torque of all bolts to 30% of tightening torque is first applied. Then repeat crosswise torque to 50% of tightening torque. Finally crosswise torque to 100% of the tightening torque. c. The mounting bolts must be fully installed and without missing....

2.6. Slewing Drive Lubrication Our products have been lubricated on the important parts before leaving factory, normal filling of Mobil EP2 grease, we recommend that when installing products, according to the actual situation to decide whether or not to add lubricating grease again. a. The slewing ring raceway has been lubricated before leaving factory. b. The meshing areas between gear and slewing ring have been lubricated before leaving factory. c. The bearings that support gears have been lubricated before leaving factory. Raceway lubricate point Gear and support bearing lubricate point Raceway...

Relubrication intervals mainly depend on the current operating and environmental conditions. Precise relubrication intervals can only be determined by testing under actual operating conditions. In the absence of references, please refer to the table below. Unique Transmission Equipment (Luoyang) Co., Ltd. Add: No.22 Binhe North Road, High-tech Zone, Luoyang (471000), Henan Province, China E-mail: [email protected]