Komatsu 830E-AC Shop Manual page 572

BRAKE ASSEMBLIES WITH INTEGRAL
MOUNTED ELECTRONIC RETARD PEDAL
(Dual Function Pedal)
Installation of Retard Pedal To Brake Pedal
Follow Installation Of Brake Pedal Actuator Assem-
bly to Brake Valve instructions on previous page.
Although the brake pedal actuator structure (7, Fig-
ure 3-10 & 17, Figure 3-11) is different on each valve,
the assembly procedure is identical.
1. Brake Valve
2. Retainer Clip
3. Pivot Shaft
4. Bushings
5. Shims
6. Retainer Clip
J3-18
FIGURE 3-11. BRAKE VALVE WITH RETARD PEDAL
7. Nylon Bearing
8. Pivot Shaft
9. Insert 0.025 in. Shim
10. Jam Nut
11. Cap Screw
12. Pedal Structure
Brake Circuit Component Service
1. Install nylon bearings (7, Figure 3-11) 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 cap screw (11)
until roller on retard pedal just contacts the
brake pedal actuator. Tighten jam nut (10).
4. Connect wiring harness to retard pedal.
13. Pad
14. Nut
15. Cap Screw
16. Electronic Retard
Pedal Assembly
17. Brake Pedal Actuator
18. Spring Pivot (Lower)
19. Spring
20. Spring Pivot (Top)
21. Set Screw
22. Jam Nut
J03034