(2) Unscrew wing nut from valve flexible shaft. (See [fig. 35.4].) Be careful not to misplace wing nut.
(3) Pull clamp and shaft from stud which is welded on fuel tank.
(4) With one hand under pressure tank, unclamp but do not fully open pressure-tank clamp.
(5) Supporting pressure tank valve with top of right hand, push knurled socket in and away from pressure tank valve. Left hand may be placed at back of regulator tube so that tube does not bend away from socket. (See [fig. 35.5].) Pull out pressure tank and valve assembly.
Figure 35.2. (Added.) Pressure system disassembled, showing removable pressure tank and valve assembly, nomenclature, and Chemical Warfare Service stock numbers.
Figure 35.3. (Added.) Detachable pressure tank and valve assembly, connected to modified regulator tube assembly.