PROJECTS: Mobile Handwash Station
NOTE: If the ¾" PVC pipe from this step is too long,
trim it down a bit to ensure a proper, comfortable fit
between all connections and pieces (Figure
P
).
4l. Cut a 3" pipe and slide it into the PVC reducer
that’s screwed into the bulkhead outside the bin.
4m. Slide a ¾" 90° PVC elbow (slip × FPT) onto the
3" pipe.
4n. Wrap a few layers of PTFE tape around the
MPT threads of the remaining brass barb reducer
and screw it into the FPT end of the elbow.
5. MAKE THE SOAP DISPENSERS
5a. On the lid of your freshwater bin, decide where
you’d like to place the two electrical junction
boxes (Figure
Q
). Make sure they’re level, and
accessible to the user washing their hands. We
recommend placing them on the side nearest to
your handwashing / greywater bin.
5b. With the boxes in place, use a marker to mark
through the two mounting holes for each, then
place the boxes to the side.
5c. Drill four ¼" holes through the lid at your
marks. Make sure the ¼-20 bolts fit through the
holes.
5d. Put the boxes back on the lid in the correct
position, making sure the mounting tab holes line
up with the holes in the lid.
5e. Push the four ¼-20 bolts (Figure
R
) through
the attachment tab holes and the holes in the bin
lid.
5f. Take the lid off of the bin and turn it sideways,
so you can screw the nuts (Figure
S
) onto the
bolts. Tighten as much as you can by hand.
5g. Use a wrench to hold the bolt head (above the
lid) and a socket wrench with ¼" socket to tighten
the nut (underneath) as much as possible.
NOTE: We recommend nuts and bolts instead of
glue for durability.You can add washers inside to make
it even stronger.
5h. Stand your soap dispensing pump (Figure
T
)
inside the empty electrical junction box to
determine how much, if any, of the straw on the
pump needs to be cut. We removed about 2" of the
straw from The Right to Shower dispensing pump
so that the straw stopped ¼" above the bottom.
Adam Vera, Sam Reardon, Javier de León, Colton Coty
66 make.co
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M74_062-7_HandWasher_F1.indd 66M74_062-7_HandWasher_F1.indd 66 7/19/20 12:38 PM7/19/20 12:38 PM
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