Gallery Speed reducer Foto 1 Washing of gear box with biodegradable liquid and water. Foto 2 Threads of threaded housings in gearboxes are ground. Foto 3 Cleaning of contact points in bearing housings and flats. Foto 4 Installation of bearings and low speed rotor. Foto 5 The clearance between bearings and journals of the low speed rotor is checked. Foto 6 Bearings and high speed rotor are installed and the clearance between bearings and journals is taken. Foto 7 The contact between bearings and rotor journals is verified. Foto 8 Verification of the clearance between the teeth of the gears. Foto 9 The contact between gear teeth is checked with blue line ink. Foto 10 The upper cover of the gearbox is cleaned. Foto 11 Threaded housing ropes are cooled. Foto 12 Contact between bearings is verified using plasti-gage. Foto 13 Permatex 3D joint eliminator sealant is applied on the top cover and gearbox faces. Foto 14 Maneuver of installation of upper cover with adjustment of screws according to parameters. VK50-6 Compressor Foto 2 Threads are ground in holes of the frame for fastening the scrolls. Foto 3 The installation of scrolls is being prepared. Foto 4 The bottom of volute 3 is rectified, using a bond and setting stone. Foto 5 The clearance between teeth on rotors A, B, C and D is checked. Foto 6 The radial clearance between gas seals and rotor journals is verified using calibrated blades. Foto 1 Contact test is performed on the entire surface of the top cover. Speed reducer disassembly Foto 2 The coupling gear is removed from the main lubrication pump using an Allen key. Foto 3 Gearbox top cover lifting maneuver. Foto 3.1 Gearbox top cover lifting maneuver. Foto 4 Lifting of the upper bearing on the alternator side. Foto 5 Lifting of the upper bearing on the pump side. Foto 6 Damage to the upper bearing of the pump. Foto 7 High speed arrow backlash measurement with caratula indicator marking 0.014". Foto 8 Lifting of free-side bearings. Foto 9 Maneuvering is performed to remove the upper bearing. Foto 10 Damage to the upper bearing free side .⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ Foto 11 High speed arrow lifting. Foto 12 Critical damage to the lower bearing on the coupling side showing Babbitt metal detachment. Foto 13 Damage to the lower bearing on the free side showing detachment of Babbitt metal. Foto 1 Start removing hardware from the top cover of the gearbox.