The boom is the core component of the pump truck, and maintenance points include regularly adding lubricating grease to the hinge point of the boom (recommended every 50 hours); Check whether the hydraulic oil pipe is worn or leaking; Avoid staying at the maximum arm extension position for a long time during operation (increasing fatigue risk); Confirm that there are no interfering objects around the arm before retrieving it; At least one annual inspection of the welding seam of the boom (can be entrusted to a third party). Being more careful in daily life can effectively extend the lifespan of the arm support.
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