TM 10-4320-303-13
a. Remove two nuts (Figure 4-20, 1) lock washers (2), bolts (3) and flat washers (4) from outlet support
coupling (5). Discard lock washers (2).
b. Remove two nuts (6), lock washers (7), bolts (8), and flat washers (9) from inlet support coupling (10).
Discard lock washers (7).
c. Remove manifold assembly (11) from hypochlorination unit.
4.13.7.2 Disassembly.
a. Unscrew and remove union (12) from inlet nipple (13).
b. Unscrew and remove union (14) from outlet nipple (15).
c. Remove inlet support coupling (10) from inlet nipple (13).
d. Remove inlet nipple (13) from 2 inch globe valve assembly (16).
e. Remove 2 inch globe valve assembly (16) from outlet nipple (15).
f. Remove outlet nipple (15) from pressure regulating valve (17).
g. Remove pressure regulating valve (17) from pipe nipple (18).
h. Remove pipe nipple (18) from outlet support coupling (5).
4.13.7.3 Inspection.
a. Inspect outlet support coupling (5), inlet support coupling (10), unions (12 and 14), inlet nipple (13),
outlet nipple (15), and pipe nipple (18) for corrosion, cracks, holes, or damage.
b. Inspect 2 inch globe valve (16) and pressure regulating valve (17) for leaks, cracks, holes, missing
components, or damage. Notify direct support if pressure regulator valve (17) is damaged or
defective.
c. Inspect all mounting hardware for damage.
4.13.7.4 Repair. Repair of manifold assembly (11) consists of replacing damaged or defective components.
4.13.7.5 Assembly.
NOTE
Wrap all threaded portions of pressure gauge and fill assembly components with antiseize tape
prior to installation.
Wrap antiseize tape in direction of threads.
a. Install pipe nipple (18) in outlet coupling support (5).
b. Install pressure regulating valve (17) on pipe nipple (18).
c. Install outlet nipple (15) in pressure regulating valve (17).
d. Install union (14) on outlet nipple (15).
e. Install 2 inch globe valve assembly (16) on outlet nipple (15).
f. Install inlet nipple (13) in 2 inch globe valve assembly (16).
g. Install union (12) on inlet nipple (13).
h. Install inlet support coupling (10) on inlet nipple (13).
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