Crawler Spider Crane Operation Methods and Precautions
Делиться
1. Basic operation methods
-
Before turning on the machine
- Check engine oil, hydraulic oil, diesel, battery, wire rope, outriggers, and tracks.
- The ground should be level and firm; soft ground must be reinforced with steel plates or wooden beams.
-
Extend the outriggers
- All four outriggers must be fully extended and stabilized, and the vehicle should be leveled. Operating without extending the outriggers is strictly prohibited.
- The outrigger legs bear the load evenly to prevent tipping over.
-
Walking operation
- Retract the boom, raise the hook, and move at low speed.
- Do not make sharp turns, do not cross deep ditches, do not drive on steep slopes, and avoid shifting the center of gravity.
-
Hoisting operation
- Test lift first: Lift the heavy object 10–20 cm off the ground and hover to check stability.
- Gently push and release the control handle: the lifting, luffing, and rotating actions should be slow, steady, and smooth.
- Avoid sudden stops and sharp turns when rotating to prevent heavy objects from swinging.
-
Vehicle retraction process
- Lower the hook → Retract the boom → Retract the outriggers → Turn off the engine and disconnect the power → Check the vehicle condition.
- Lower the hook → Retract the boom → Retract the outriggers → Turn off the engine and disconnect the power → Check the vehicle condition.
2. Key Points to Note
- Overloading and operating beyond the radius are strictly prohibited, and objects of unknown weight should not be lifted.
- Do not use a cable stay, do not drag, do not suspend or bury heavy objects, and it is forbidden to extend or retract the boom while under load.
- Do not lift if the outriggers are not fully extended or the vehicle body is not leveled.
- It is strictly forbidden for people to stand under suspended loads and within the turning radius.
- Operations are prohibited when the ground is soft, muddy, or steep.
- Stop lifting operations when the wind is too strong or visibility is poor on rainy days.
- Operate with one person in command; do not act if signals are unclear.
- If unusual noises, vibrations, or oil leaks are detected, stop the machine immediately for inspection.
- It is strictly forbidden for individuals to operate under the influence of alcohol, when fatigued, or without a license.
- Long-term parking: Park on a flat surface, slightly extend the support legs, cut off power for anti-theft.