Maintenance repair overhauling of equipment machineries and shop outfits of different trade courses of Govt Industrial Training Institute Tollygunge

• Item - DE Pedestal Grinding Machine • Shop Inventory Sl. #2 • Trade - Fitter • Make - N.A. • Model - N.A. • Specifications - Ø200 mm Wheel (Coarse and Fine), 1 HP, 2850 RPM • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - (1) Unable to power up and function., (2) Dull and loaded grinding wheels. • Symptomatic Fault(s) - (1) Electrical circuit/components malfunction, (2) Dull and loaded grinding wheels.

• Item - Sensitive Drill Machine • Shop Inventory Sl. #3 • Trade - Fitter • Make - Pathak Machine Tool Pvt. Ltd. • Model - TNAA-34-9A384 • Specifications - Capacity to drill holes up to 12.5 mm • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - (1) Misaligned, noisy, and quivering spindle, (2) Misaligned step pulley. • Symptomatic Fault(s) - (1) Reproduction of misaligned hole, (2) Abnormal drill bit wear, (3) Disruptive operation.

• Item - Spot Welding Machine • Shop Inventory Sl. #3 • Trade - Mechanic Auto Body Repair • Make - GYS • Model - GYSPOT INVERTER BP. LX, NF EN 62135-1 • Specifications - 3Ø, 50/60 Hz, 400 V, 9 kVA, Inverter Type, Liquid Cooling • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - Unable to power up and function. • Symptomatic Fault(s) - Motherboard malfunction.

• Item - Infra Red Dryer • Shop Inventory Sl. #20 • Trade - Mechanic Auto Body Repair • Make - Dentmasters Corporation • Model - B3S • Specifications - 50/60 Hz, 230 V, 3000 W • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - Machine immediately shuts down upon turning on the infrared lamps. • Symptomatic Fault(s) - Electrical circuit malfunction/Internal short circuit.

• Item - Gear Hobbing Machine • Shop Inventory Sl. #6 • Trade - Machinist • Make - Shree Industries • Model - N.A. • Specifications - N.A. • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - Inoperable driving motor and machine. • Symptomatic Fault(s) - Inoperable.

• Item - Slotting Machine • Shop Inventory Sl. #16 • Trade - Machinist • Make - Gremach CNC Ltd., Madras • Model - SLM Year-1994, M/c No. 6039 • Specifications - N.A. • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - (1) Inoperable driving motor, (2) Worn out V-belt. • Symptomatic Fault(s) - Inoperable.

• Item - Universal Milling Machine • Shop Inventory Sl. #18 • Trade - Machinist • Make - Hindustan Machine Tools. Pinjore, India • Model - Circuit Diagram No. SKP1178394, M/c no. 2443 • Specifications - N.A. • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - (1) Inoperable driving motor, (2) Jammed longitudinal, cross, and vertical motion, (3) Dysfunctional control panel. • Symptomatic Fault(s) - Inoperable.

• Item - Universal Milling Machine • Shop Inventory Sl. #29 • Trade - Machinist • Make - Bharat Fritz Werner (P) Ltd., Bangalore, India • Model - Type - UF-0, Sl. No. 145 • Specifications - N.A. • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - (1) Inoperable motor, (2) Jammed Cross table motion, (3) Dysfunctional auto feed mechanism. • Symptomatic Fault(s) - Inoperable.

• Item - Horizontal Milling Machine • Shop Inventory Sl. #31 • Trade - Machinist • Make - Bharat Fritz Werner (P) Ltd., Bangalore, India • Model - Type - FH1, M/c No. 00314 • Specifications - N.A. • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - (1) Dysfunctional arbor. • Symptomatic Fault(s) - Malfunctioning.

• Item - Radial Drill Machine • Shop Inventory Sl. #33 • Trade - Machinist • Make - Machine Industrial SA - Leto, Italy • Model - M/c No. 604 • Specifications - N.A. • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - (1) Improper spindle run out. • Symptomatic Fault(s) - Malfunctioning.

• Item - Hydraulic Shaping Machine • Shop Inventory Sl. #73 • Trade - Machinist • Make - Beejay IE-2 (India) • Model - IE - 2 (India) • Specifications - N.A. • Requisite Maintenance - Commissioning and job proving-out. • Reported Issue(s) - (1) Yet to commission. • Symptomatic Fault(s) - Dormant since installed.

• Item - Surface Grinding Machine • Shop Inventory Sl. #1 • Trade - Machinist (Grinder) • Make - KLAIBER • Model - 477 • Specifications - 24 V, 1.85 A, 44 W • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - Faulty mechanical & electrical system. • Symptomatic Fault(s) - Inoperable.

• Item - Surface Grinding Machine • Shop Inventory Sl. #3 • Trade - Machinist (Grinder) • Make - GREMACH CNC LTD • Model - ENKLO-68 • Specifications - 110 V, 3 A, 35 W, M/C NO. 5026 • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - (1) Faulty mechanical & electrical system, (2) Leaking (hydraulic oil) delivery hose. • Symptomatic Fault(s) - Inoperable

• Item - Surface Grinding Machine • Shop Inventory Sl. #7 • Trade - Machinist (Grinder) • Make - HMT LIMITED • Model - 220 • Specifications - 220 V, 16 A, M/C NO. 655352 • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - Faulty mechanical & electrical system. • Symptomatic Fault(s) - Inoperable

• Item - Surface Grinding Machine • Shop Inventory Sl. #9 • Trade - Machinist (Grinder) • Make - GREMACH CNC LTD • Model - ENKLO-68 • Specifications - 415 V, 16 A, M/C NO. 5026 • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - (1) Faulty mechanical & electrical system, (2) Leaking (hydraulic oil) delivery hose. • Symptomatic Fault(s) - Inoperable

• Item - Cylindrical Grinding Machine • Shop Inventory Sl. #10 • Trade - Machinist (Grinder) • Make - HMT LIMITED • Model - K130-U • Specifications - 415 V, 2.6 A, 1380 RPM, M/C NO. 53137 • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - (1) Faulty zero setting of taper adjustment, (2) Faulty wheel head movement (forward & backward). • Symptomatic Fault(s) - Inoperable

• Item - Surface Grinding Machine • Shop Inventory Sl. #12 • Trade - Machinist (Grinder) • Make - PRAGA • Model - 3545 • Specifications - 415 V, 2.6 A, 1380 RPM, M/C NO. 53137 • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - Faulty table movement (longitudinal). • Symptomatic Fault(s) - Inoperable.

• Item - Tool & Cutter Grinding Machine • Shop Inventory Sl. #16 • Trade - Machinist (Grinder) • Make - PRAGA • Model - 3157 • Specifications - 415 V, 2.6 A, 1380 RPM, M/C NO. 53137 • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out • Reported Issue(s) - Faulty mechanical & electrical system. • Symptomatic Fault(s) - Inoperable.

• Item - Trolly Type Portable Compressor Single Cylinder • Shop Inventory Sl. #27A • Trade - Mechanic Motor Vehicle • Make - Compressor: Metro (M/s. S Akberally & Company) | Motor: Tec Mec Industries, Allahabad • Model - SC 7 • Specifications - Compressor displacement: 4.6 CFM, 650 RPM | Motor - 415 V AC, 3Ø, 50 Hz 1 HP, 0.75 kW • Requisite Maintenance - Breakdown. • Reported Issue(s) - Burnt motor. • Symptomatic Fault(s) - Inoperable.

• Item - Trolly Type Portable Compressor Single Cylinder • Shop Inventory Sl. #27B • Trade - Mechanic Motor Vehicle • Make - Compressor: Metro (M/s. S Akberally & Company) | Motor: Tec Mec Industries, Allahabad • Model - SC 7 • Specifications - Compressor displacement: 4.6 CFM, 650 RPM | Motor - 415 V AC, 3Ø, 50 Hz 1 HP, 0.75 kW • Requisite Maintenance - Breakdown. • Reported Issue(s) - Burnt motor. • Symptomatic Fault(s) - Inoperable.

• Item - Pedestal Grinding Machine • Shop Inventory Sl. #13 • Trade - Welder • Make - The National Electric Industries Ltd. • Model - N.A. • Specifications - Type PG-A, Max. RPM.: 4200 foot/min, Wheel: 10"x1.5"x4", Motor HP: 1 - 5, NL RPM: 1500, Spindle RPM: 1600, V-belt: A68, Supply: 400 V/ 3Ø/ 50 Hz • Requisite Maintenance - Periodic maintenance. • Reported Issue(s) - None. • Symptomatic Fault(s) - None.

• Item - Power Saw (non-hydraulic) Cutting Machine • Shop Inventory Sl. #15 • Trade - Welder • Make - N.A. • Model - N.A. • Specifications - 3Ø, 50 Hz, 2 HP, Double phase, 400/440 V, 1425 RPM3.25 A (continuous rating) • Requisite Maintenance - Periodic maintenance. • Reported Issue(s) - None. • Symptomatic Fault(s) - None.

• Item - Electrode Dry Oven • Shop Inventory Sl. #31 • Trade - Welder • Make - Weldstar • Model - N.A. • Specifications - Carrying oven input supply: 230V, AC carrying oven (± 10%) Single phase, 50 Hz, input current: 0.5 A, Input power: 100 W, Temperature range: 100 °C - 130 °C, Control: Thermostatic /W/O • Requisite Maintenance - Periodic maintenance. • Reported Issue(s) - None. • Symptomatic Fault(s) - None.

• Item - Pedestal Grinding Machine • Shop Inventory Sl. #33 • Trade - Welder • Make - N.A. • Model - N.A. • Specifications - Wheel Ø6" x 20 mm, Single phase, 2765 RPM, 220/250 V, 2.5 A, 50 Hz • Requisite Maintenance - Periodic maintenance. • Reported Issue(s) - None. • Symptomatic Fault(s) - None.

• Item - Spot Welding Machine • Shop Inventory Sl. #40 • Trade - Welder • Make - ARMAC • Model - 15 kV • Specifications - 15 kV, Phase: 1/2, 220/240 V, H-class insulation. • Requisite Maintenance - Periodic maintenance. • Reported Issue(s) - None. • Symptomatic Fault(s) - None.

• Item - Power Saw (hydraulic) Cutting Machine • Shop Inventory Sl. #42 • Trade - Welder • Make - JEW • Model - N.A. • Specifications - kW: 1.5, HP: 2, 1400 RPM, 415 V ± 10%, 3.6 A, 50 Hz ± 5%, η: 78% • Requisite Maintenance - Breakdown maintenance cum overhauling and job proving-out. • Reported Issue(s) - (1) Unsustainable hydraulic system, (2) Noisy operation, (3) Frequent blade snapping. • Symptomatic Fault(s) - Malfunctioning.

• Item - Pedestal Grinding Machine with Grinding Wheels (Coarse & Fine) • Shop Inventory Sl. #59 • Trade - Welder • Make - Ganga Electric Company • Model - CEC • Specifications - Wheel Ø300 mm • Requisite Maintenance - Periodic maintenance. • Reported Issue(s) - (1) Misaligned wheel, (2) Noisy operation. • Symptomatic Fault(s) - Malfunctioning.

• Item - AC/DC Pulsed TIG Welding Machine • Shop Inventory Sl. #51-2/ #57-1 • Trade - Welder • Make - Electra • Model - Not available • Specifications - 3Ø, 400 A, 60% - 100% duty cycle • Requisite Maintenance - Periodic maintenance. • Reported Issue(s) - (1) Unsteady arc, (2) Incorrect current output at load (3) Noisy operation, (4) Faulty gas economizer and solenoid valve. • Symptomatic Fault(s) - None.

RAMKRISHNA UDYOG (BID ID -6797620)

TECHNO ENGINEERING (BID ID -6793132)

SUMIT AND COMPANY (BID ID -6793075)

TECHNO ENGINEERING

ROSHNI ENGINEERING CO.

RAMKRISHNA UDYOG