Komatsu 830E Shop Manual page 222

(Component Location, Front View. See Figure 2-37 for Relay Board Panel inside R.H. Door)
1. Alternator Field Contactor
2. Motor Field Contactor
3. Retard Power Contactor No. 2
4. Retard Power Contactor No. 1
5. Cabinet Service Light Switch
6. Control Power Switch
7. Control Power Light
8. Two Digit Display Panel
9. Propulsion Load Control Panel (FL275)
E2-66
FIGURE 2-32. ELECTRICAL CONTROL CABINET
Electrical Propulsion Components
10. Diagnostic Data Reader Connector
11. Statex Channel A (PTU) Connector
12. Statex Channel B Connector
13. Ground Bus No. 3
14. Synchronizing Transformer No. 2
15. Synchronizing Transformer No. 1
16. Motor Field Static Exciter
17. Alternator Field Static Exciter
18. Reverser
19. Propulsion Contactor No. 1
2/02 E02016