Why does the starter motor rattle but the crankshaft won't turn?

Mechanical Fault Diagnosis and Repair of Crankshaft Failure to Rotate when Drilling Rig is Starting When the engine is starting, it is a mechanical fault if the starting system is intact, the starter motor rattles and the crankshaft fails to rotate when the starter switch is pressed. The causes of engine crankshaft failure are as follows.

Poor meshing of starter andflywheel teeth. The ring and the starter gear will collide when starting the engine, causing damage to the teeth or wear on one side of the teeth. If more than three consecutive teeth are damaged or badly worn, it is difficult to engage the starter gear with the teeth of the ring.

Sticky cylinders. Engine temperature is too high when the engine stops and stalls, the heat is difficult to dissipate, the high temperature of the piston ring and cylinder adhesion, after cooling can not start.

Crankshaft locking. Due to the lubrication system failure or lack of oil caused by the sliding bearing dry friction, so that ultimately hold the crankshaft and can not start.

Injector pump plunger stuck.

If you do not know how to choose the right water well drilling rig, click the following link, directly contact our professional team!

Contact us (gzpearldrill.com)