Komatsu PC5500-6 Operation & Maintenance Manual page 167

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OPERATION
Level 4: Inputs - Outputs / DIGITAL-OUTPUTS
/ Y101 VALVE OIL COOLER BACK-PRESSURE
-4- Output signals
|
OPERATE KEY SWITCH
-4- Valve oil cooler back-pressure
| 0 | 1 |
Level 4: Inputs - Outputs / DIGITAL-OUTPUTS
/ Y124a VALVE SERVICE ARM LIFT
-4- Output signals
|
OPERATE KEY SWITCH
-4- Valve service arm lift
| 0 | 1 |
Level 4: Inputs - Outputs / DIGITAL-OUTPUTS
/ Y124b VALVE SERVICE ARM LOWER
-4- Output signals
|
OPERATE KEY SWITCH
-4- Valve service arm lower
| 0 | 1 |
Y101 (A5.4):
Y124a (A5.5):
Y124b (A5.6):
3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS
167

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