TM 10-4320-303-13
4.13.6 Hypochlorinator Assembly Maintenance .
This task covers:
4.13.6.1 Removal
4.13.6.4 Repair
4.13.6.2 Disassembly
4.13.6.5 Assembly
4.13.6.3 Inspection
4.13.6.6 Installation
INITIAL SETUP
Tools
Equipment Conditions
Tool Kit, General Mechanic's,
Hypochlorination Unit, Model 1955-1 removed,
Automotive, Section III, Item 1,
refer to paragraph 4.13.1.
Appendix B
Outlet Hose Assembly removed, refer to
Material/Parts
paragraph 4.13.2.
Lock washers (TM 10-4320-303-23P)
General Safety Instructions
Preformed packing (TM 10-4320-303-23P)
Do not work on equipment without following
standard shop safety precautions.
4.13.6.1 Removal.
a. Unscrew and remove discharge tube (Figure 4-19, 1) from liquid head (2).
b. Remove check valve (3) and washer (4).
c. Unscrew other end of discharge tube (1) and remove from hypochlorination unit.
d. Unscrew and remove suction tube (5) from liquid head (2).
e. Remove check valve (6) and washer (7).
f. Remove three nuts (8), lock washers (9), flat washers (10), and bolts (11). Discard lock washers (9).
g. Remove hypochlorinator frame (12) from hypochlorination unit.
4.13.6.2 Disassembly.
a. Turn stroke adjust knob (13) fully counterclockwise and remove stroke adjust knob (13) from
diaphragm cap (14).
b. Remove preformed packing (15) from stroke adjust knob (13). Discard preformed packing (15).
WARNING
Items in hypochlorinator assembly are under spring tension. Maintain pressure
on and slowly back diaphragm cap out to release spring pressure. Failure to
obey this warning may result in personal injury.
c. Remove four screws (16), flat washers (17), and square nuts (18).
d. Slowly remove diaphragm cap (14).
e. Remove nut (19) and washer (20) from pushrod (21).
f. Remove impulse diaphragm (22), diaphragm clamping washer (23), spring spacer (24), spring (25),
and preformed packing (26) from pushrod (21). Discard preformed packing (26).
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