Special tool enables one worker to do two-worker job. Wrench holds two nuts in place while third nut, coaxial with others, turned. Developed for tightening delicate couplings on gas-supply panel. Single operator restrains coupling pressure cap and connector body nut with one hand. Other hand free to tighten coupling nut with torque wrench.
Duplex Wrench
NASA Tech Briefs ; 11 , 3
1987-03-01
Miscellaneous
No indication
English
SAE Technical Papers | 2021
SAE Technical Papers | 2013