Piston ring set 02/201504 Perkins AK standard, genuine

Piston ring set 02/201504, standard is a genuine JCB part for the Perkins 1000 series (AK) engine. The card also lists 4181A033, 985-212.

The ring set for one piston has three rings: the top compression ring, the second ring and the oil control ring. The compression rings stop combustion gas escaping into the crankcase, and the oil ring scrapes excess oil off the bore. Worn rings show as blue smoke, oil consumption, low compression and blow-by from the breather. After a ring change, watch the oil consumption and exhaust smoke during the first working hours. The top face of the compression rings is marked; a ring fitted upside down pumps oil into the combustion chamber.

Specifications

Compatibility

The part is listed for JCB backhoe loaders with Perkins engines. With Perkins number 4181A033 the set is used on 1000, 1004 and 1006 series engines; it has three rings per piston. The catalogue also has the aftermarket version (option 1) and aftermarket version (option 2) of this part. The cylinder liner 3135X062 is also available for this engine. Other parts are in Perkins engine.

Fitting

The rings must move freely in their grooves, so clean the grooves of old carbon. Push the piston into the bore with a ring compressor. When changing rings, also check the head gasket and big-end bearings.