
QAY220 All Terrain Crane Operation Manual
10-6
Inspection item
6. If the rope socket and wedge in place.
7. Connection of the rope and rope socket.
8. Wear and cracks of rope socket boss and pin.
9. Reeve through correct sheaves.
Relief valve:
1. Pressure setting.
Control valve:
1. Operating condition.
2. Leakage.
3. Tightness of mounting bolt.
Master Cylinder:
1. Operating condition.
2. Leakage.
3. Brake fluid level.
4. Deterioration, twisting and damage of the hose.
Pipelines:
1. Loosen joint.
2. Leakage.
3. Loosening and crack of clips.
4. Deterioration, twisting and damage of the hose.
Starting switch:
1. Function.
2. Installation.
3. Lighting of pilot lamp.
Wiper:
1. Function.
2. Wear and damage of blade.
Air-conditioner:
1. Operation.
Room lamp:
1. Lightening.
Buzzer:
1. Function.
Load moment indicator:
1. Operation.
2. Accuracy.
Winch system
Crane controls
instruments
safety devices
Hydraulic
system
Periodic inspections
Chapter 10
Summary of Contents for QAY220
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