If sludge accumulates on the underside of a diesel engine piston, it will()
A、cause blow-by
B、chemically attack the piston skirt
C、form an emulsion of lube oil and water
D、raise the piston temperature
A、cause blow-by
B、chemically attack the piston skirt
C、form an emulsion of lube oil and water
D、raise the piston temperature
A、Too much sludge accumulated in separator bowl B、Diameter of gravity disc too large C、High level tank lack of water D、Oil input too rapidly
A、Clogged oil pump suction screens B、Increased oil operating temperatures C、Sticking piston rings D、All of the above
A、Increases the sludge forming tendency of lube oil B、Prevents the accumulation of combustible gases C、Improves lube oil cooling D、Improves cold weather starting
A、drain the accumulators and purge with oxygen B、bleed off all stored energy from the accumulators completely C、charge the accumulators to prevent system energy loss D、pump the hydraulic fluid into the accumulators to prevent fluid loss
A、compression pressure in the cylinder will be higher B、carbon will accumulate behind the ring C、combustion gases will penetrate beneath the ring land D、piston side thrust will be increased
A、a glazed surface on the spring B、nicks in the protective coating C、a build up of sludge deposits D、cracks in the surface of the spring