Hakko Electronics FR-1418, Руководство по эксплуатации и обслуживанию, Страница: 25 / 54

23
Figure 30: Rear Head Enclosure Details
Item Description Item Description
1 Rear head enclosure 7 Low air flow control needle valve
2 Vacuum generator 8 Head distribution/dimmer board
3 Medium air flow solenoid valve 9 Heater power connections
4 Low air flow solenoid valve 10 Heater T/C connection
5 Vacuum generator feed solenoid valve 11 Ground connections
6 Air pressure switch
Routine Service Procedures:
1. To change the component or board lighting halogen bulbs found on the standard optics train,
follow the steps outlined in Figures 31 and 32, below.
2. To change the bottom heater quartz lamps, remove the base cover plate (Fig. 7, Item 5) and
collimator grille (Fig. 7, Item 6), and then follow the steps outlined in Figures 33 and 34, below.
3. To replace fuses, first find and correct the cause of the blown fuse, then remove the base cover
plate (Fig. 7, Item 5), locate the appropriate fuse on the power board (Fig. 35, Item 3), and
replace the fuse with one of the same type and rating. Reinstall the cover.
1
2
3
5
6
7
8
9
10
11
4