This task consists of:
General Mechanics Tool Kit, (Appendix B, Section III, Item 1)
10% Acidic Acid
General Safety Instructions
Before performing any maintenance actions on electrical equipment, ensure all
electrical power has been turned off. Failure to comply with this warning may
result in serious injury or death.
Remove Distilled Water Container. See Figure 3-3.
Remove retaining strap (1) and remove container (2) from still shelf by lifting up container and tilting bottom out and
down to clear tube (3).
Remove stills power cord from convenience outlet.
Loosen clamp (4) and remove drain hose (5) from elbow (6).
Loosen clamp (7) and remove supply hose (8) from still (9).
Remove five screws (10), lockwashers (11), and washers (12) securing retaining ring (13) and still (9). Discard
Lift still (9) and retaining ring (13) from still shelf. Drain residual water from still.
Remove elbow (6) from still (9).
Remove retaining ring (13) from still (9).
Remove three thumb nuts (14) and remove lid (15) from still (9).
Remove any loose scale or residue from still (9) by blowing out with low pressure (20 psi) air.
Clean stills interior with a solution of 10% acidic acid to remove any buildup of scale.
Rinse with fresh water, dry interior and exterior thoroughly.