OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 8 ppt

OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 8 ppt

OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 8 ppt

... barriers; clean off smoke and dust. Repair moderate damage to bushing insulation by sanding smooth and refinishing with a clear insulating var- nish. Inspect alignment and condition of movable and stationary ... (approxi- mately a 30 percent drop and delay of about two seconds) to start the auxiliary generator. (b) When voltage and frequency of the auxil- iary generator...
Ngày tải lên : 12/08/2014, 16:21
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 2 pptx

OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 2 pptx

... of sizes. Smaller engines, which operate in the high-speed range (1200 and 180 0 rpm), are used for portable units because of their lighter weight and lower cost. Low- and medium-speed (200 and ... 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 c...
Ngày tải lên : 12/08/2014, 16:21
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 5 ppt

OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 5 ppt

... 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 manu- factur...
Ngày tải lên : 12/08/2014, 16:21
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 7 ppt

OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 7 ppt

... readings and result in inaccurate data, dam- age and injury. All conductors and terminations should carry identification that matches schemat- ics, diagrams and plans used for construction and maintenance. e. ... level of fault current. Most units function as overcurrent trip devices and con- sist of a solenoid tripper and solid-state compo- nents. The solid-state componen...
Ngày tải lên : 12/08/2014, 16:21
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 10 pptx

OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 10 pptx

... 0.5% 2.0% Table 8- I. Oil quality standards-Continued 8- 4. Oil maintenance procedures. The following information is a general guide for maintenance of lubricating oil. a. Water and sediment. Clean ... for security, and overheating and damage due to leakage. Perform inlet and ex- haust inspection as described previously. Check standoffs, brackets and struts for looseness, c...
Ngày tải lên : 12/08/2014, 16:21
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 11 ppt

OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 11 ppt

... spectrometric analysis of the metal par- ticles. 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 ... part of the system is rusted or partially clogged, it is necessary to use cooling system cleaning compound and condi- tioner, stock number 685 0-00-5 98- 73 28. Do not...
Ngày tải lên : 12/08/2014, 16:21
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 12 pptx

OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 12 pptx

... 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 ... in value and reversing its direction of flow at regular intervals. A cycle is one complete set of positive and negative values of an alternating current. The num- ber of cycles...
Ngày tải lên : 12/08/2014, 16:21
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 4 pps

OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 4 pps

... Proper installation and maintenance of oil filters and mechanical operation of the engine are equally important for treatment of oil. Preven- tion of contamination and removal of contaminants should ... of governors controlling AC generators affects the fre- quency and the load division between generators but has almost no effect upon voltage. f. Direct C urrent (DC)...
Ngày tải lên : 12/08/2014, 16:21
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 6 pps

OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 6 pps

... strength of the mag- netic field, the number of coils (and number of wind- ings of each coil), and the speed at which the rotor turns. b. Current. Current is the rate of transfer (flow) of electricity, ... specific number of coils, each with a specific number of windings. Similarly, the rotor consists of a specific number of field poles, each with a specific number o...
Ngày tải lên : 12/08/2014, 16:21
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OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 13 potx

OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 13 potx

... TM 5- 685 /NAVFAC MO-912 - c The proponent agency of this publication is the Office of the Chief of Engineers, United States Army. Users are invited to send comments and suggested improvements ... 20 28 (Rec- ommended Changes to Publications and Blank Forms) directly to Director, U.S. Army Center for Public Works, ATTN: CECPW-EE, 7701 Telegraph Rd., Alexandria, VA 223159 386 2....
Ngày tải lên : 12/08/2014, 16:21
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