2. The order for ... of a ... controller must ... the following information.
31 4
Make up sentences. Compare your results with the text.
1. order, electric drive equipment, ship, deck, machinery, consult, table, list, drive, various, application. 2. determine, power rating, servo motor, select, power, drive, near, rating. 3. make, sure, control, property, drive, indicate, mechanical, suit, operate, condition, equipment set. 4. order, separate, apparatus, use, datum, table.
32 8
Complete the following sentences according to the text.
1. The order for delivery of an electric equipment set or a separate motor must contain the following information: ... 2. The order for delivery of a magnetic controller must contain the following information: ...
3. The spare parts set for the electrical equipment comprises parts and assemblies which ... 4. The spares sets are packed in .... 5. The list of the spare parts supplied with the given equipment...
33 12
Write the exact translation.
1. Prior to replacing faulty components and adjusting new ones in compliance with the circuit requirements, apart from general acquaintance with the principle of operation and the design of separate components and the unit as a whole, it is required to analyze thoroughly the arrangement of separate parts in the unit, their fastening and accessibility on the sample.
2. When eliminating the faults detected, the units should he disassembled only in case of actual necessity.
3. When replacing the faulty components or adjusting the units, it is required to use only the appropriate tools, i. e. all nuts and bolts should be turned out and in by the proper size box spanners or flat keys, and all screws — by screwdrivers corresponding to the sizes of the heads and slits.
Possible Faults and Remedies
Fault symptom: after the unit is switched on, the armature oscillates hut the striker fails to strike the cup.
Probable cause: large gaps between the striker and the cup.
Remedy: bend the striker.
Now try to say what devices are meant here.
34 5
Fill up the certificate and test results. Translate the whole piece.
Certificate of Three-Phase Squirrel-Cage Induction Motor
Type______
Serial No__________
Technical Data
Output______—------------—kAV
Rotation right-hand, left-hand.
Terminal box if seen from the side of the driven mechanism is disposed at the right side (left side).
Results of Routine Tests
Major insulance._________
Stator winding resistance at 20°C________________________
5 Заказ Л? 864
Starting current multiple