maintenance, repair, overhauling of equipment, machineries, and shop outfits of different trade courses of govt. industrial training institute, tollygunge as per tender schedules- 1 • item - ss and sc centre lathe (all gears) • shop inventory sl. #1 • trade - fitter • make - a-one • model - e-218 • specifications - centre height - 150 mm, centre distance - 1000 mm • requisite maintenance - breakdown maintenance cum overhauling and job proving-out. • reported issue(s) - (1) noisy and quivering headstock spindle, (2) sticky gear box and gear lever. • symptomatic fault(s) - (1) worn out headstock bearing, (2) faulty gearbox and selector mechanism. 2 • 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. 3 • 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. 4 • 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. 5 • 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. 6 • 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. 7 • 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. 8 • 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. 9 • 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. 10 • 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. 11 • 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. 12 • 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. 13 • 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. 14 • 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 15 • 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 16 • 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 17 • 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 18 • 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. 19 • 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. 20 • 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. 21 • 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. 22 • 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: 10x1.5x4, 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. 23 • 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. 24 • 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. 25 • 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. 26 • 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. 27 • 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. 28 • 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. 29 • 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.