Translate into English. 1. Combine these pairs of sentences by using “if”. Model

E X E R C I S E S

1. Combine these pairs of sentences by using “if”.

Model. Serious leaks occur. The engineer takes the boiler out of service. If serious leaks occur, the engineer takes the boiler out of service.

1. The water drops out of sight. The lower try cock should be opened.

2. The boiler must be shut down immediately. Water gets into the steam piping.

3. The boiler is to be taken off the line. Soot burns in flues.

4. Shut down the plant at once. There is a failure of equipment.

5. There is a fire in the boiler-room. The boiler must be taken off the line.

6. There is failure of all feeding systems. The boiler is to be taken of the line.

1.Остановка котла может быть запланированной или вынужденной из-за

поломки оборудования.

2. В случае упуска воды котел должен быть немедленно остановлен.

3. Течи в трубах котла ликвидируются с помощью пробок или сваркой.

4.Для уменьшения давления пара в котле следует открыть

предохранительный клапан.

5. Очистите трубы и коллекторы от накипи.

6. Водомерную колонку следует снять и очистить.

7. Проверьте и замените сальники клапанов.

TEXT C

IRREGULARITIES IN OPERATION, CAUSES AND REMEDIES

S Y M P T O M	C A U S E	R E M E D Y
The water level in the boiler rising	1. Faulty automatic water regulating arrangement.     2. Penetration of solid particles under the water level regulator.	1. Repair the automatic water regulating arrangement or change to manual control of the water level.   2. Shut off the cut-off feed valve, dismantle the water level regulator, remove the particles from the valve seat and the disc.
Loss of water level	1. Faulty automatic water level regulator.     2. The blow down valves are not tight enough.     3. The boiler tubes and manifolds are not tight.   4. Faulty feed pump.	1. Repair the regulator or change to manual control of the water level.   2. Shut down the boiler, let it cool, drain the boiler, repair or replace the valve.   3. Shut down the boiler for repairs.   4. Eliminate the fault and put the spare pump in operation.
Safety valve is closed	1. Steam pressure in the boiler is rising.     2. Faulty safety valve.   3. Wrong adjustment of the safety valve.	1. Lower the steam pressure to the required level.   2. Shut down the boiler, repair or replace the safety valve.   3. Adjust the safety valve to the required pressure.
The boiler will not light	1. There is some water in the fuel.   2. Faulty oil burning arrangement.	1. Drain the sediment out of the fuel tank.   2. Repair or replace the oil burning arrangement.
Boiler automatic operation program is effected wrongly	Faulty automatic system	Eliminate the fault or change to manual control.

Vocabulary

remedy,n способ устранения неисправности

faulty, adj неисправный

penetration, n проникновение

cut-off valve запорный (секущий) клапан

valve disc тарелка клапана

shutdown, v выключить; остановить

light (lit; lit), v зажигать

sediment, n осадок; отложение

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