Parking Brake Circuit - Komatsu WA250-6 Shop Manual

Wheel loader

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Table of Contents

920 Electrical system, Part 2

Parking brake circuit

1. Parking brake lever intermediate switch

2. Parking brake lever bottom switch

3. HST controller

4. Machine monitor

5. Alarm buzzer

6. HST controller power holding relay

7. HST safety relay

8. Clutch solenoid valve

9. HST motor 1 solenoid valve

10. HST pump forward solenoid valve

11. HST pump reverse solenoid valve

WA250, 250PZ-6

Table of Contents

Wa250pz-6 75001