Sikka company ka boot use karein.
Aur boot install karnay walay ko kahein k uss me se hawa nikal krr phir clamp tight karay.
Aur Khyber k bahar walay C.V joints me special C.V joint grease use hoti ha aur 90-95 gram hi use karni hoti ha agar quantity iss se zyada ho jay to b boot me pressure bnn k boot phatt jatay hain.