SYSTEM / Electrical System Brake Oil Low Level Indicator Purpose: It lights the brake oil low level indicator on the monitor unit in order to inform the brake oil lowering to the operator. Operation: 1. When the brake oil level becomes lower than the normal value, the brake oil level switch is grounded. 2. When the brake oil level switch is grounded, the monitor unit lights the brake oil low level indicator.
3. When the brake oil level returns to the normal value, the brake oil level switch is disconnected from the ground. 4. When the brake oil level switch is disconnected from the ground, the monitor unit goes off the brake oil low level indicator. NOTE: The monitor unit lights the stop indicator as well as the brake oil low level indicator at the same time.
Brake Oil Level Switch
Monitor Unit
Brake Oil Low Level Indicator
1A-13
Stop Indicator
21
T4FG-02-03-021
T2-3-45