maintenance and repair of machinery components
operation maintenance and repair of auxiliary generators docx
Ngày tải lên :
05/03/2014, 18:20
... Proper installation and maintenance of oil filters and mechanical operation of the engine are equally important for treatment of oil Prevention of contamination and removal of contaminants should ... fireproof and constructed of poured concrete or concrete and cinder blocks with a roof of reinforced concrete, steel, or wood supports with slate or other fireproof shingles Ventilation and openings ... absorption of oils and solvents, and to promote cleanliness and ease of cleanup Plates and gratings covering floor trenches must be grounded Rubber matting should be installed in front of and around...
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Operation, Maintenance and Repair of Auxiliary Generators by U. S. Army and U. S. Navy potx
Ngày tải lên :
27/06/2014, 05:20
... Proper installation and maintenance of oil filters and mechanical operation of the engine are equally important for treatment of oil Prevention of contamination and removal of contaminants should ... fireproof and constructed of poured concrete or concrete and cinder blocks with a roof of reinforced concrete, steel, or wood supports with slate or other fireproof shingles Ventilation and openings ... absorption of oils and solvents, and to promote cleanliness and ease of cleanup Plates and gratings covering floor trenches must be grounded Rubber matting should be installed in front of and around...
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Army TM Operation, Maintenance and Repair of Auxiliary Generators docx
Ngày tải lên :
27/06/2014, 08:20
... Proper installation and maintenance of oil filters and mechanical operation of the engine are equally important for treatment of oil Prevention of contamination and removal of contaminants should ... fireproof and constructed of poured concrete or concrete and cinder blocks with a roof of reinforced concrete, steel, or wood supports with slate or other fireproof shingles Ventilation and openings ... absorption of oils and solvents, and to promote cleanliness and ease of cleanup Plates and gratings covering floor trenches must be grounded Rubber matting should be installed in front of and around...
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORSD potx
Ngày tải lên :
27/06/2014, 18:20
... Proper installation and maintenance of oil filters and mechanical operation of the engine are equally important for treatment of oil Prevention of contamination and removal of contaminants should ... fireproof and constructed of poured concrete or concrete and cinder blocks with a roof of reinforced concrete, steel, or wood supports with slate or other fireproof shingles Ventilation and openings ... absorption of oils and solvents, and to promote cleanliness and ease of cleanup Plates and gratings covering floor trenches must be grounded Rubber matting should be installed in front of and around...
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 2 pptx
Ngày tải lên :
12/08/2014, 16:21
... to another The extent of load shedding and the sequence of dropping loads and restoring to normal are also contained in the plan 2-10 Components Standards for selection of components for an auxiliary ... generation, transmission, and power consumers The frequencies and sources of RFI can be determined by tests Proper enclosures, shielding and grounding of AC equipment and devices should eliminate ... supplied, their demand, consumption, voltage, phase, and frequency requirements Also to be considered are load trend, expected life of the project and of the equipment, fuel cost and availability,...
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 4 pps
Ngày tải lên :
12/08/2014, 16:21
... regulation of DC generators may be accomplished through adjustment of the speed droop of the governor g Types of governors Usually four types of governors are used; mechanical, hydraulic, pneumatic, and ... presentation of data simplifies detection of a trend toward deteriorating engine performance Samples of graphic aids are shown in figures 3-17 and 3-18 These include plots of fuel and lubricating ... parameters), and maintenance data showing cylinder wear and crankshaft deflection Interpretation of data and details are provided in the specific engine manufacturer’s literature These kinds of data...
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 5 ppt
Ngày tải lên :
12/08/2014, 16:21
... smoothness and absence of scratches and nicks (d) Camshaft cams and cam faces for worn or deformed condition; journal surfaces and bearings for highly polished condition and absence of scratches, ... condition and absence of scratches, nicks, cracks, and deformation (f) Pistons for cracks and warped condition; verify pistons, rings, and pins comply with manufacturer’s requirements; and rings and ... proper amount of fuel to sustain operation System components include filters, a fuel manifold, fuel tubes, and nozzles Off-engine components include the fuel control equipment and a supply system...
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 6 pps
Ngày tải lên :
12/08/2014, 16:21
... alternating characteristics of the current The generated voltage is proportional to the strength of the magnetic field, the number of coils (and number of windings of each coil), and the speed at which ... number of windings Similarly, the rotor consists of a specific number of field poles, each with a specific number of windings In addition to the rotor and stator (refer to paragraphs 4-6b and 4-6c, ... 120/240 volts, load 1,0 and load 2,0 would consist of 120-volt lamps and 120-volt singlephase power equipment Load 1,2 would consist of 240-volt power equipment Two voltmeters and two TM 5-685/NAVFAC...
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 7 ppt
Ngày tải lên :
12/08/2014, 16:21
... level of fault current Most units function as overcurrent trip devices and consist of a solenoid tripper and solid-state components The solid-state components are part of the power sensor and provide ... readings and result in inaccurate data, damage and injury All conductors and terminations should carry identification that matches schematics, diagrams and plans used for construction and maintenance ... end of the shaft is supported by the coupling to the prime mover and one bearing is used at the other end The selections of bearing type and lubrication are based on generator size, type of coupling...
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 8 ppt
Ngày tải lên :
12/08/2014, 16:21
... barriers; clean off smoke and dust Repair moderate damage to bushing insulation by sanding smooth and refinishing with a clear insulating varnish Inspect alignment and condition of movable and stationary ... consist of three functional elements: main contacts to connect and disconnect the load to and from the sources of power; sensing circuits to constantly monitor the condition of the power source and ... operation of the system or equipment is observed Maintenance personnel must then refer to records for interpretation and comparison of performance data (i.e., log sheets) Comparisons of operation...
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 10 pptx
Ngày tải lên :
12/08/2014, 16:21
... and exhaust inspection as described previously Check standoffs, brackets and struts for looseness, cracks, and damage Check ignition exciter, igniter plugs and leads for damage, overheating and ... valves Inspect and regrind inlet and exhaust valves and valve seats as necessary Refer to manufacturer’s instructions (c) Valve springs and guides Check valve spring length and tension and inspect ... drain at lower part of duct is open and free of any obstruction so that moisture (rain or condensation) can run off Check inlet temperature sensor for signs of damage Clean sensor and surrounding...
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 11 ppt
Ngày tải lên :
12/08/2014, 16:21
... spectrometric analysis of the metal particles It is necessary to collect and evaluate data for type and quantity of engine wear-metals Study of this data shows trends of engine wear and expected future ... requirements and fuel availability B-2 B-3 Fuel storage maintenance procedures a Provide the base engineer’s office with the reports and results of inspections performed in paragraphs C-lc and C-2c ... antifreeze) and should be clear (2) Examine the sample to determine the type and quantity of contamination Rust, a chemical combination of iron, water, and air, is frequently found The presence of rubber...
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 12 pptx
Ngày tải lên :
12/08/2014, 16:21
... defective part often will lead to a series of diffi- culties originating from by-products or effects of the initial failure Therefore, carefully check all of the related and resultant functions of the ... identify the problem b Repairs Repairs must be prompt and thorough to restore the engine to serviceable condition as rapidly as possible Such repairs normally depend on the immediate repair parts inventory ... cover gaskets, and any other gaskets that have been disturbed during the tune-up _- G-4 Engine failure and repairs a Failure identification A well planned and executed preventive maintenance program...
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 13 potx
Ngày tải lên :
12/08/2014, 16:21
... 22 UNIT STARTED ON /XI c ELECTROLYTE LEVEL 1ST TRY Use the reverse side of this form and/ or 8-l /2 x 1” paper if number), and for corrective action(s) taken NOTE 1: Mark S for Satisfactory, U for ... 10 KW LOAD PHl 12 VOLTAGE g LOCATION OF LEAK NO S U REMAFiKS N Tank) 16 VOLTAGE NO PH3 /Commercial) d FUEL LEAKS /XI YES 17 BATTERY CHARGER NO c LOCATION OF LEAK b AMPS a VOLTS I BATTERY BANK ... MODEL c WIRINQ DAMAQED : SERIAL NUMBER d KW RATING d COMPONENTS OVERHEATED a VOLTS f PHASE COOLING SYSTEM (See /Vote 21 a TEMP DURING STANDBY’ I b TEMP DURING OPERATIONS c COOLANT ADDED (Level)...
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Machinery Components Maintenance And Repair Episode 1 Part 2 pdf
Ngày tải lên :
05/08/2014, 12:20
... completion of a project in a given length of time Machinery Component Maintenance and Repair 20 Maintenance work order planning and scheduling continues to be a largely manual set of procedures ... all maintenance work to be performed on a planned basis 26 Machinery Component Maintenance and Repair Figure 2-1 Maintenance as part of Asset Management (Source: SKE Publication 51605 2003) Maintenance ... technicians and planners is a minor cost factor compared to the more efficient use of personnel and reduced outage time In many 28 Machinery Component Maintenance and Repair cases, the technician and...
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Machinery Components Maintenance And Repair Episode 1 Part 3 ppsx
Ngày tải lên :
05/08/2014, 12:20
... experience of shaking the hand of a serviceman from a major 52 Machinery Component Maintenance and Repair supplier of gas turbines who then mentioned that he normally worked on steam turbines and this ... corrected without opening the machine and at a considerable savings of time and effort 42 Machinery Component Maintenance and Repair Another obvious source of information is the manufacturer’s ... series of blade problems, had to be opened a total of 31 times in an eight-year period They recognize 54 Machinery Component Maintenance and Repair the importance of rotor charts to keep track of...
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Machinery Components Maintenance And Repair Episode 1 Part 4 doc
Ngày tải lên :
05/08/2014, 12:20
... it is often taken for granted, and therefore it has 70 Machinery Component Maintenance and Repair Table 3-1 Materials Checklist for Epoxy Grouting Machinery Foundations and Grouting 71 Machinery ... corners, loss of bond to the machinery base and stress cracking of the grout Most aggregates have about 25–30 percent voids regardless of particle sizes or gradation The liquid components of an epoxy ... viscosity solution of epoxy adhesive in acetone is poured on and drained away from the surface (courtesy of Adhesive Services Company) 74 Machinery Component Maintenance and Repair Figure 3-2...
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Machinery Components Maintenance And Repair Episode 1 Part 5 docx
Ngày tải lên :
05/08/2014, 12:20
... to five times the mass of the centrifugal equipment system Figure 3-27 Construction of machinery foundation 104 Machinery Component Maintenance and Repair How well the machinery system is joined ... to as shrinkage 112 Machinery Component Maintenance and Repair Figure 3-36 Anchor bolt and jack bolt system Figure 3-37 Flatness and coplanar check Machinery Foundations and Grouting 113 Figure ... Pressure-injection regrouting techniques offer equipment operators important advantages of reduced downtime, lower labor costs, and less 96 Machinery Component Maintenance and Repair Figure 3-18 Illustrating...
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Machinery Components Maintenance And Repair Episode 1 Part 6 potx
Ngày tải lên :
05/08/2014, 12:20
... Machinery Foundations and Grouting 135 Appendix 3-D Specifications for Epoxy Grouting of Rotating Equipment 136 Machinery Foundations and Grouting 137 138 Machinery Component Maintenance and Repair ... 130 Appendix 3-B Specification for Portland Cement Grouting of Rotating Equipment 131 132 Machinery Component Maintenance and Repair Machinery Foundations and Grouting 133 Appendix 3-C Detailed ... shoulder of the foundation Utilizing 124 Machinery Component Maintenance and Repair Figure 3-47 Mixing of low viscosity epoxy grout a low-viscosity epoxy grout system greatly reduces the amount of...
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