1.4.5.6. Replacement of lamps of forward indexes of turn

1. Turn a cartridge with a lamp counter-clockwise and take out it.

Fig. 1.197. Lamp extraction from the boss

2. Take out a lamp from the boss, having slightly drowned it in the boss and then having turned a lamp counter-clockwise (fig. 1.197).

3. Establish a new lamp and execute described above operation in return sequence.