1. Ntsuas lub caij nplooj ntoos hlav hlau txoj kab uas hla nrog lub caliper, nyiam dua mus rau 3 qhov chaw decimal.
2. Ntsuas qhov sab nraud ntawm lub caij nplooj ntoos hlav. Tej zaum yuav muaj qhov sib txawv me ntsis ntawm sab nraud ntawm txhua lub kauj, yog li siv qhov ntsuas loj tshaj plaws.
3. Ntsuas qhov ntev nyob rau hauv lub xeev dawb (lub xeev tsis muaj zog).
4. suav cov coils ntawm lub caij nplooj ntoos hlav. Qhov no kuj yog tus naj npawb ntawm cov coils nruab nrab ntawm qhov kawg; nce los ntawm 1/8 ntawm ib tug tig.
5. Nco ntsoov cov kev taw qhia ntawm cov coils. Qhov no tsis yog qhov tseem ceeb nyob rau hauv feem ntau, tab sis nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov yog tias lub caij nplooj ntoos hlav yuav tsum muaj qee qhov kev sib hloov.
6. Nco ntsoov qhov kawg ntawm lub caij nplooj ntoos hlav. Compression springs tuaj yeem muaj qhov xaus hauv av los yog tsis muaj av, qhib lossis kaw xaus, lossis lwm yam tshwj xeeb cov duab raws li xav tau ntawm daim duab.
Qhib kawg thiab hauv avQhib kawgKaw kawg thiab ungroundKaw kawg thiab hauv av
7. Txheeb xyuas cov khoom siv caij nplooj ntoos hlav. Yog tias cov hlau tsis sib nqus, nws yuav yog cov hlau tshwj xeeb uas yuav tsum tau txheeb xyuas kom raug. Yog tias cov khoom siv tsis paub, yuav tsum tau sau tseg tias qhov kev ua haujlwm tsis zoo, xws li qhov kub siab lossis qis qis, cov khoom siv corrosive, los yog siab zaus rau lub sijhawm ntev.
