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| S.No. | Week No. / Chapter | Topics | Videos Link |
|---|---|---|---|
| 1 | LIFT AND ESCALATOR MECHANIC | ELEVATOR LOGIC CIRCUIT VIDEO DEMONSTARTION| DIGITAL ELECTRONICS| | https://www.youtube.com/playlist?list=PLiKW64sC4OXIicagw1hqtkqeS7ca3iwab |
| 2 | LIFT AND ESCALATOR MECHANIC | perform oc and sc test to determine and efficiency of single phase transformer | https://youtu.be/_wevDhc_rG0 |
| 3 | LIFT AND ESCALATOR MECHANIC | connect start and run an alternator and build up the voltage and measure voltage and frequency | https://youtu.be/0kfxyGf8cdI |
| 4 | LIFT AND ESCALATOR MECHANIC | UPS , INVERTOR and battery charger | https://youtu.be/0kmNwRd4_bc |
| 5 | LIFT AND ESCALATOR MECHANIC | Digital memory types,ROM,RAM,EPROM | https://youtu.be/19t0Uw3nkgM |
| 6 | LIFT AND ESCALATOR MECHANIC | 265 check physical location of all components of escalator and moving walkways as per drawing | https://youtu.be/1jfNIBtfWDY |
| 7 | LIFT AND ESCALATOR MECHANIC | lift maintenance | https://youtu.be/257KPvwj_1s |
| 8 | LIFT AND ESCALATOR MECHANIC | Introduction to digital electronics | https://youtu.be/2xXErGeeb_Q |
| 9 | LIFT AND ESCALATOR MECHANIC | Concept of Stepper /Servo motor. | https://youtu.be/4fPBChRgekQ |
| 10 | LIFT AND ESCALATOR MECHANIC | Study of specific Control logics for lift motor operations | https://youtu.be/5GNhGWQwGpM |
| 11 | LIFT AND ESCALATOR MECHANIC | Baising FET amplifier and switch | https://youtu.be/7IfyM60CufM |
| 12 | LIFT AND ESCALATOR MECHANIC | 264 practice repairing and replacement of different electrical and electronic components | https://youtu.be/7xa4leigm28 |
| 13 | LIFT AND ESCALATOR MECHANIC | Check motor connections brush position, air gap, bearing etc. (5 hrs.) | https://youtu.be/8cyYa6QEpiY |
| 14 | LIFT AND ESCALATOR MECHANIC | Perform cleaning of top, bottom and inside car, lift pit, governor, machine, controller and other parts. (5 hrs.) | https://youtu.be/8vdFl1xmYL8 |
| 15 | LIFT AND ESCALATOR MECHANIC | perform speed control of lift motor using drive | https://youtu.be/a7hXiFP7voc |
| 16 | LIFT AND ESCALATOR MECHANIC | Applications of power electronics devices | https://youtu.be/A9H3vef9IcY |
| 17 | LIFT AND ESCALATOR MECHANIC | Single phase and three phase transformers. | https://youtu.be/ai3eriqcSYc |
| 18 | LIFT AND ESCALATOR MECHANIC | Check levelling of car platform. (5 hrs. | https://youtu.be/aqMZfQODJZo |
| 19 | LIFT AND ESCALATOR MECHANIC | single phase ac motor. Working principle, construction | https://youtu.be/awrUxv7B-a8 |
| 20 | LIFT AND ESCALATOR MECHANIC | practise measuring of amplitude, frequency and time period of typical electronic signals using CRO | https://youtu.be/AxaydLTYnUw |
| 21 | LIFT AND ESCALATOR MECHANIC | Practice draining out of old grease and oil | https://youtu.be/BrfHomNvuko |
| 22 | LIFT AND ESCALATOR MECHANIC | perform speed control and reversing the direction of rotation of ac motor by using thyristors /AC drives. | https://youtu.be/CHWuZHw3zOg |
| 23 | LIFT AND ESCALATOR MECHANIC | Analog to digital converter | https://youtu.be/ChYpXRQNJM0 |
| 24 | LIFT AND ESCALATOR MECHANIC | Careful examine safety governor for proper operating condition and lubrication. (6 hrs.) | https://youtu.be/Ci74o0K700k |
| 25 | LIFT AND ESCALATOR MECHANIC | Introduction to CRO | https://youtu.be/cIxICyBV2Ic |
| 26 | LIFT AND ESCALATOR MECHANIC | SCISSOR LIFT SAFETY TRAINING-OSHA SAFETY FOR EMPLOYEES (VIDEO SAFETY WORKING ON LIFT) | https://youtu.be/coYQOu2Y1pI |
| 27 | LIFT AND ESCALATOR MECHANIC | Working principle, construction and classification of transformer | https://youtu.be/CQwUtlVLjF0 |
| 28 | LIFT AND ESCALATOR MECHANIC | EHAT IS BEARING? TYPES OF BEARING IN HINDI WITH ANIMATION ( TYPES OF BEARING IN LIFT) | https://youtu.be/cuNjoaAhoW8 |
| 29 | LIFT AND ESCALATOR MECHANIC | Check brake shoe, magnetic coil, oil in magnet case, dash pot adjustment etc. (8 hrs.) | https://youtu.be/D2Vx-l-cr64 |
| 30 | LIFT AND ESCALATOR MECHANIC | Prepare servicing report and make records of operational state and recommendation if any. | https://youtu.be/DLlRcNTxJ1k |
| 31 | LIFT AND ESCALATOR MECHANIC | Number system, Registration, Counters and Timers | https://youtu.be/dM2swIpGk0Y |
| 32 | LIFT AND ESCALATOR MECHANIC | Principal of electromagnetic induction, Faraday law,lenzs law , Flemings right/left hand rule. | https://youtu.be/F_7SNQfHtTQ |
| 33 | LIFT AND ESCALATOR MECHANIC | test different single phase ac motor | https://youtu.be/F9NgDH7jA38 |
| 34 | LIFT AND ESCALATOR MECHANIC | Tightening connections and secure wires. (5 hrs.) | https://youtu.be/fQa3S5qYZd8 |
| 35 | LIFT AND ESCALATOR MECHANIC | Types of AC/DC drives Functions and block diagram | https://youtu.be/g0dbj6S5EAw |
| 36 | LIFT AND ESCALATOR MECHANIC | Applications of AC/DC drive,basic parameters setting in variable voltage variable frequency (VVVF) drive | https://youtu.be/g7jFGOn6xfU |
| 37 | LIFT AND ESCALATOR MECHANIC | TYPES OF LUBRICATION AND THE CLASSIFICATIONS AND PROPERTIES (TYPES OF LUBRICANT) | https://youtu.be/grfLkzjyc-o |
| 38 | LIFT AND ESCALATOR MECHANIC | Construction and working principle of synchronous motor | https://youtu.be/gSsblyU07Zg |
| 39 | LIFT AND ESCALATOR MECHANIC | Renew contacts orreplace limit switchesif required. (5 hrs.) | https://youtu.be/HDvy4PabrVo |
| 40 | LIFT AND ESCALATOR MECHANIC | identify parts and terminals of an alternator | https://youtu.be/HE1KaO8TY_U |
| 41 | LIFT AND ESCALATOR MECHANIC | connect and test different control elements as per drawing | https://youtu.be/hHKB773qDno |
| 42 | LIFT AND ESCALATOR MECHANIC | demonstrate functioning and checking of DA/AD convertors | https://youtu.be/HicZcgdGxZY |
| 43 | LIFT AND ESCALATOR MECHANIC | Examine & adjust all moving contacts of the controller. (6 hrs.) | https://youtu.be/hk8Rwy411Kc |
| 44 | LIFT AND ESCALATOR MECHANIC | demonstrate simple power Control circuit using UJT,FET,JFET,MOSFET,IGBT | https://youtu.be/hmmW09GUvcw |
| 45 | LIFT AND ESCALATOR MECHANIC | construct simple circuit UJT for triggering | https://youtu.be/HVPrQa0y_xM |
| 46 | LIFT AND ESCALATOR MECHANIC | construct simple circuit UJT for triggering | https://youtu.be/hWWGeZR-IlA |
| 47 | LIFT AND ESCALATOR MECHANIC | Check shaft bearing, drum, drive sheave for excessive play & proper lubrication. (6 hrs.) | https://youtu.be/hZKlf9y00LU |
| 48 | LIFT AND ESCALATOR MECHANIC | troubleshooting defects in simple power supply circuit | https://youtu.be/inihJ80hfFI |
| 49 | LIFT AND ESCALATOR MECHANIC | ARD AUTO RESCUE DEVICE FOR LIFT EMERGENCY LANDING (AUTO RESCUE DEVICE IN LIFT) | https://youtu.be/I-oGIugMYjo |
| 50 | LIFT AND ESCALATOR MECHANIC | Speed control of motor by thyristor. | https://youtu.be/JQZ3Yar_pBY |
| 51 | LIFT AND ESCALATOR MECHANIC | TYPES OF MAINTAINANCE IN HINDI|| PREVENTIVE MAINTENANCE (TYPES OF MAINTENANCE IN LIFT) | https://youtu.be/KdLZ5u-sKZs |
| 52 | LIFT AND ESCALATOR MECHANIC | Examine emergency cut out switches for door and gate contacts | https://youtu.be/kg4FS4dd1cE |
| 53 | LIFT AND ESCALATOR MECHANIC | Basic calculations in oscillators | https://youtu.be/kLWXLbciobw |
| 54 | LIFT AND ESCALATOR MECHANIC | Basic calculations in oscillators | https://youtu.be/knrq1Ni_eKo |
| 55 | LIFT AND ESCALATOR MECHANIC | connect and test three phase induction motor | https://youtu.be/kTfz5oDci08 |
| 56 | LIFT AND ESCALATOR MECHANIC | Working principle of SRC,DIAC&TRIAC ,GTO,UJT,FET,JEFT,MOSFET,IGBT | https://youtu.be/KzkyJGYzjwU |
| 57 | LIFT AND ESCALATOR MECHANIC | 4 TYPES OF SPRINGS (TYPES OF SPRING IN LIFT) | https://youtu.be/lHKWWRgtFcI |
| 58 | LIFT AND ESCALATOR MECHANIC | connect start and run three phase induction motor by using dol,star delta and auto transformer starters | https://youtu.be/ljackLtl8s4 |
| 59 | LIFT AND ESCALATOR MECHANIC | connect and run stepper /servo motor using electronic controller | https://youtu.be/LZCCe-cDEmg |
| 60 | LIFT AND ESCALATOR MECHANIC | Three phase induction motor Characteristics & testing three phase induction motors . Starting methods and application of poly phase induction motor | https://youtu.be/mdT0xjdjero |
| 61 | LIFT AND ESCALATOR MECHANIC | identify pins of various ICs used in power electronic circuit | https://youtu.be/MyxSMFV1Juc |
| 62 | LIFT AND ESCALATOR MECHANIC | identify terminals and connections of permanent magnet synchronous motor | https://youtu.be/NRxo5aDGG8M |
| 63 | LIFT AND ESCALATOR MECHANIC | connect A/D and D/A converter with drive | https://youtu.be/nSbF88ryX90 |
| 64 | LIFT AND ESCALATOR MECHANIC | carry out maintenance on ac machines | https://youtu.be/ntOc4h792UE |
| 65 | LIFT AND ESCALATOR MECHANIC | Check lift’s main supply,switches, fuses and contacts. (5 hrs.) | https://youtu.be/NwJMTDljDCc |
| 66 | LIFT AND ESCALATOR MECHANIC | Various types of ICs buffer | https://youtu.be/o3bK-9qtdL0 |
| 67 | LIFT AND ESCALATOR MECHANIC | KONE ELEVATOR CONTROLLER/POWER ELECTRONICS TEARDOWN | https://youtu.be/oHFAn0TNlsM |
| 68 | LIFT AND ESCALATOR MECHANIC | Size and selection of drives used in lifts and escalators | https://youtu.be/OIhs9Ire-Sc |
| 69 | LIFT AND ESCALATOR MECHANIC | Common motor control circuit elements.Start/Stop push buttons indicators contactors etc | https://youtu.be/ovBTqLxsfTs |
| 70 | LIFT AND ESCALATOR MECHANIC | Examine safety plank switch under car platform. (6 hrs.) | https://youtu.be/p2KBpOjB6KY |
| 71 | LIFT AND ESCALATOR MECHANIC | Carry out servicing of various mechanical and electrical parts of escalators and moving walkways as per drawing. | https://youtu.be/PeTJpVWY1hc |
| 72 | LIFT AND ESCALATOR MECHANIC | Simple drawing for starting and control circuit | https://youtu.be/plArH2bTMZI |
| 73 | LIFT AND ESCALATOR MECHANIC | 292 check machine room for proper cleanlines | https://youtu.be/QFqIKy4eN_o |
| 74 | LIFT AND ESCALATOR MECHANIC | Examine light & fan switches and fixture in the car for proper operation. (5 hrs.) | https://youtu.be/QJMIFt2p9TI |
| 75 | LIFT AND ESCALATOR MECHANIC | demonstrate simple power control circuit by SCR ,and DIAC/TRIAC | https://youtu.be/QKQv42NHatI |
| 76 | LIFT AND ESCALATOR MECHANIC | practice on speed control of single phase ac motor | https://youtu.be/Qr7Ca4FUpa0 |
| 77 | LIFT AND ESCALATOR MECHANIC | demonstrate and identify triggering circuits | https://youtu.be/RIPdA-QKB54 |
| 78 | LIFT AND ESCALATOR MECHANIC | Logic gates and ICs | https://youtu.be/Rn8I3i0bNqA |
| 79 | LIFT AND ESCALATOR MECHANIC | identify the different front panel control of a CRO | https://youtu.be/RumzvW_u5zs |
| 80 | LIFT AND ESCALATOR MECHANIC | test, analysis defects and repair UPS | https://youtu.be/SPG-aFpf_EI |
| 81 | LIFT AND ESCALATOR MECHANIC | start run and reverse the direction of rotation of single phase ac motor | https://youtu.be/sukFHgwsAcQ |
| 82 | LIFT AND ESCALATOR MECHANIC | connect and operate lift motor through VVVF drives | https://youtu.be/SxrRXgcHioo |
| 83 | LIFT AND ESCALATOR MECHANIC | Terminals connections,control and power circuit | https://youtu.be/TcpWMzO9lhI |
| 84 | LIFT AND ESCALATOR MECHANIC | Combinational circuit and its classification | https://youtu.be/uduQEx3_5nA |
| 85 | LIFT AND ESCALATOR MECHANIC | identify different parts of AC/DC drive | https://youtu.be/unxTKC01CBQ |
| 86 | LIFT AND ESCALATOR MECHANIC | 280. Check car shoes, buffers and its lubricants. (5 hrs.) | https://youtu.be/uxQjF0W83v4 |
| 87 | LIFT AND ESCALATOR MECHANIC | determine voltage regulation of single phase transformer at different loads and power factor | https://youtu.be/vbYl9-LkHDs |
| 88 | LIFT AND ESCALATOR MECHANIC | determine voltage regulation of single phase transformer at different loads and power factor | https://youtu.be/vE96TySqXGk |
| 89 | LIFT AND ESCALATOR MECHANIC | Construction and working principle of parmanent magnet synchronous motor | https://youtu.be/Vk2jDXxZIhs |
| 90 | LIFT AND ESCALATOR MECHANIC | perform speed control of synchronous motor | https://youtu.be/vU_jgHvnOms |
| 91 | LIFT AND ESCALATOR MECHANIC | Types of electronic power device | https://youtu.be/vvLwZ36fVa4 |
| 92 | LIFT AND ESCALATOR MECHANIC | identify components and calculate transformation ratio of single phase transformer | https://youtu.be/WjvjYv2_Olo |
| 93 | LIFT AND ESCALATOR MECHANIC | Examine main & counter weights, guide rail for lubrication and efficient functioning of brackets and rail clips. (8 hrs.) | https://youtu.be/wsS7ifd-Gpo |
| 94 | LIFT AND ESCALATOR MECHANIC | 278. Carefully examine all ropes for any damage and broken wire and proper lubrication. | https://youtu.be/WUkFNZoDs90 |
| 95 | LIFT AND ESCALATOR MECHANIC | Lubrication on car gate, cam bellows, buffer, rope, guiderail etc | https://youtu.be/Wuo2VhTpAEQ |
| 96 | LIFT AND ESCALATOR MECHANIC | check various registers, counters and timers | https://youtu.be/XDDfZyOKBYc |
| 97 | LIFT AND ESCALATOR MECHANIC | maintain, service and troubleshooting battery charger and inverter | https://youtu.be/XixhpeoVhWY |
| 98 | LIFT AND ESCALATOR MECHANIC | install an invertor with battery | https://youtu.be/xYymV9b5ut4 |
| 99 | LIFT AND ESCALATOR MECHANIC | 263 practice repairing and replacement of different mechanical components | https://youtu.be/YKUSCznUDLs |
| 100 | LIFT AND ESCALATOR MECHANIC | Types of oscillators and multivibrator | https://youtu.be/YtPxfvGJhSY |
| 101 | LIFT AND ESCALATOR MECHANIC | Auto transformer and instrument transformer (CT&PT) | https://youtu.be/yxYqA_Xiiuc |
| 102 | LIFT AND ESCALATOR MECHANIC | verify characteristics of SCR, DIAC,TRIAC,FET | https://youtu.be/z8l9aaCIcy0 |