TM 55-1930-209-14&P-5
4-7.2.17.2. Replacement
a.
Removal
(1) Perform step a In paragraph 4-7.2 17 1 if necessary.
(2) Disconnect and tag wires
(3) Remove switch
b.
Installation
(1) Install switch In reverse order of removal In step a
(2) Check operationally that switch operates normally
4-7.2.18. Water and chlorine mixer. Replace mixer as follows.
a. Removal
(1) Close drinking water valves DW1 thru DW4
(2) Close ROWPU valve R015
(3) Close chlorination valve CU14
(4) Disconnect chlorine line from mixer located above drinking water tanks In void 3 port
(5) Remove flange bolts connecting mixer to drinker water piping
b. Installation Install mixer In reverse order of removal In step a
4-7.2.19. Tank air escape valve
4-7.2.19.1. Repair
a.
On face of valve located on top of deckhouse, remove three cap screws holding cap In place
b.
Carefully remove cap, protective mesh, space ring, and flame screen from valve body
c.
Clean all these components with soap and water using a stiff brush if necessary
d.
Visually inspect parts for damage and replace damaged parts
e.
Install parts In air escape body In reverse order of removal Tighten three cap screws holding cap In
place
4-7.2.19.2. Replacement
a.
Removal Burn off storage tank escape valve and unscrew reserve tank escape valve
b.
Installation Weld on new storage tank escape valve and screw on new reserve tank escape valve
4-7.2.20. Piping and valves. Replace piping or valves, or repack worn or damaged valves according to
procedures In TM 55-503
4-23/(4-24 blank)
