Bosch mafuta jekeseni zida F00RJ02517 kwa Cummins QSB6.7 jekeseni 0445120123

Pamene jekeseni wamba wa njanji ya Bosch sabaya mafuta, kasupe wobwerera amakankhira valavu ya singano mwamphamvu pampando wa valavu kupyolera mu armature kuteteza mafuta kudontha. Pamene koyilo yamagetsi ipatsidwa mphamvu, kukopa kwamagetsi kumapangidwa, komwe kumayamwa zida ndikuyendetsa valavu ya singano kuchoka pampando wa valve. Panthawi imodzimodziyo, kasupe wobwererawo amatsindikizidwa, ndipo mafuta amadutsa mu valve ya singano ndipo amatulutsidwa kuchokera pamphepete mwa mphete kapena dzenje la nozzle pakati pa singano ndi mphuno. Pamene coil ya electromagnetic imachotsedwa mphamvu, mphamvu yamagetsi yamagetsi imasowa. Malo opangira doko amatseka msanga valavu ya singano, ndipo jekeseni imasiya kubaya mafuta.