TM 55-1930-209-14&P-3
CAUTION
DO NOT allow weight of element to rest on interconnector. Damage to interconnector may result.
NOTE
The following procedure requires two people.
(8)
Have one person support weight of next element while the other person Installs it on the interconnector
Slide element about three-quarters of the way Into tube Repeat steps c (5) through c (8) until all five
RO membrane elements are loaded in pressure tube.
(9)
Lightly coat inboard connector O-rings with silicone lubricant. Insert O-rings In grooves in connector.
(10) Insert an inboard end connector with O-rings on core tube of element at each end of pressure tube.
(11) Install one outboard end connector in brine discharge end of pressure tube Push RO membrane
element train against spacer.
(12) Repeat step c for other 15 pressure tubes.
d
Install RO block end caps according to paragraph 4-8 7.
4-8.5 RO block sampling valve repair/replacement. Remove, repair, and reinstall sampling valve (Figure 3-3) as
follows:
a
Removal.
(1)
Disconnect discharge tube from end cap and move it aside.
(2)
Disconnect product tube.
(3)
Remove sample valve assembly from pressure tube.
(4)
Remove sample valve and two reducers from T-pipe.
(5)
Remove male connector and reducer from T-pipe.
a.
Repair. Inspect parts for damage Replace as required.
b.
Installation.
(1)
Install reducer and male connector in T-pipe.
(2)
Install two reducers and sample valve in T-pipe.
(3)
Install sample valve assembly In pressure tube.
(4)
Connect product tube and discharge tube.
4-44
