Komatsu 830E Shop Manual page 356

BRAKE ASSEMBLIES WITH INTEGRAL
MOUNTED ELECTRONIC RETARD PEDAL
(Dual Function Pedal)
Installation of Retard Pedal To Brake Pedal
Follow "Installation Of Brake Pedal Actuator Assembly
to Brake Valve" instructions on previous page. Al-
though the brake pedal actuator structure (7, Figure
3-11 & 18, Figure 3-11) is different on each valve, the
assembly procedure is identical.
1. Brake Valve 7. Nylon Bearing
2. Retainer Clip 8. Pivot Shaft
3. Pivot Shaft 9. Place 0.025 in. Shim Here
4. Bushings 10. Jam Nut
5. Shims 11. Capscrew
6. Retainer Clip 12. Pedal Structure
J3-14
FIGURE 3-12. BRAKE VALVE WITH RETARD PEDAL
13. Pad
14. Nut
15. Capscrew
16. Electronic Retard
17. Brake Pedal Actuator
Brake Circuit Component Service
1. Install nylon bearings (7, Figure 3-12) in retard
pedal.
2. Install retard pedal (16) to brake pedal actuator
(17) with pivot shaft (8). Install two retainer clips
(6).
3. With jam nut (10) loose, adjust capscrew (11) until
roller on retard pedal just contacts the brake
pedal actuator. Tighten jam nut (10).
4. Connect wiring harness to retard pedal.
18. Spring Pivot (Lower)
19. Spring
20. Spring Pivot (Top)
21. Set Screw
Pedal Assembly 22. Jam Nut
23. Differential Pressure Switch
J03022 1/99