TM 10-7310-241-12&P
3-12
3-7. SANITIZING (Continued)
(8) Using a field mess spoon (Appendix E, Section II, Item 6), and add one spoonful of food service
disinfectant (Appendix E, Section II, Item 4) to the heated water in the outer container (1) and stir
thoroughly until fully dissolved.
(9) Wait five minutes then drain-of one canteen cupful of the food service disinfectant/heated water
solution through the pull-action tap (11) and discard.
(10) Using the pull-action tap (11), drain-off the heated food service disinfectant solution into the inner
container (12) until the level in the outer container (1) falls to the 40 fluid ounce level line (13).
(11) Install the inner container (112) into the main case (7) taking care to not spill the heated food
service disinfectant solution.
(12) To prevent the seeping of liquid into the interior of the cover (6), block-off the small steam hole (14)
in the seal retaining plate (15) using an easily removable means (e.g., tapered wooden peg of
suitable size).
(13) Install the cover (6) onto the main case (7) ensuring that it is properly closed and secured by the
latch (8).
(14) Temporarily invert the HWR to allow the heated food service disinfectant solution to reach all
internal surfaces then return it to the upright position.
NOTE
Allow the HWR to stand upright for a minimum period of twenty minutes
before proceeding to step (15).
(15) Unlatch and remove the cover (6) then remove the inner container (12) the heated food service
disinfectant solution.
(16) Using the pull-action tap (11), drain-off the heated food service disinfectant solution from the outer
container (1).
(17) Half-fill the outer container (1) with clean, potable water to remove all traces of food service
disinfectant..
(18) Flush the pull-action tap (11) by draining-off the outer container (1) rinse water into a receptacle of
suitable capacity and discard.
(19) Rinse the inner container (12) with clean, potable water to remove all traces of food service
disinfectant.
(20) Allow the cover (6) and both containers to air dry.
(21) On the cover (6), unblock the small steam hole (14) in the seal retaining plate (15).
(22) Install the HWR in the host vehicle, connect the power cable connecting the plug (9) to the
connector receptacle (10) then turn on the power supply.
(23) Return the HWR to normal service in accordance with step (2) of Subparagraph 3-7a.
