1. Power machinery

Six closures: The main and auxiliary oil and water filling ports, inspection ports, hydraulic quick interfaces, etc. should be tightly sealed.

Five Cleanliness: The appearance of the machinery is clean; Clean oil circuit and equipment; The coolant, antifreeze, and cooling system are clean; The air filter, filter element, and intake system are clean; The maintenance tools are neatly and cleanly arranged.

Four no leaks: no oil leakage, no water leakage, no air leakage, no electric leakage.

Three good: well adjusted: the clearance, pressure, and stroke of each part are normal, and the torque of the threaded connection of each part meets the regulations. Good lubrication: The levels of engine oil, hydraulic oil, and transmission oil meet the regulations. Good circuit: The generator, starter, circuit, and fuse are in good condition.

One intact: The overall technical condition of the machine is in good condition.

2. Work tools

Six no's: The copying mechanism, bearings, and shaft sleeves are not loose; The trencher, plow wall, compaction roller, and transmission chain are not corroded; The cutting blade is not blunt; Rake blades and press rollers are not damaged; The gearbox, wheel hub, and transmission shaft are not short of oil; The imitation mechanism and plow wall do not deform.

Three flexibility: flexible rotation of discs, compression wheels, etc; Flexible up and down adjustment of wheels, trenchers, etc; Folding mechanism, copying mechanism, transport wheel, etc. are flexible in lifting and lowering.

One intact: The overall technical condition of the machine is in good condition.

2026 May 3rd Week FK Product Recommendation

722500 DA/DB:

The 722500 DA/DB is a type of Plummer Block (bearing housing) designed to support rotating shafts with rolling bearings. It features:

Robust cast iron or steel housing, suitable for heavy-duty applications.

DA/DB variations may refer to different sealing or mounting designs (e.g., DA with set screws, DB with double seals).

Easy installation and maintenance, ideal for industries like conveyors, motors, fans, and mining equipment.

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