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',;rusaaer
MC-8
-
Government Chemical Products Corp., 5511
Bellford Avenue, Cleveland, Ohio. This chemical
mixed with water will properly treat the chemical
tank.
l .
Fresh Water Tank Drain
Figure
17-4:
Fresh Water Drain Valve
Handle in Engine Compt.
Figure 17-5: Fresh Water Supply Fill
Inlet
MAINTENANCE
DA TE
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MANUAL
AIR OPERATED FLUSH SYSTEM
DESCRIPTION
The air operated pump is a self-contained flushing
unit having one moveable part, an air operated
diaphragm which is within the unit. The pump unit is
mounted to the bottom of the chemical tank.
OPERATION
The system operates from the main air system and
pressure is reduced to 11 P.S.I. by a regulator. A
push button control valve is installed and when
pressed will permit the regulated air pressure to
operate the pump diaphragm. The diaphragm will
produce sufficient water to flush the toilet bowl. The
flushing cycle takes approximately 14 seconds and
the recovery time approximately IO seconds.
Flushing is accomplished by delivering water into
the toilet bowl in a vigorous swirling action.
When the push button is released the quick release
valve will release air from the diaphragm pump.
CHARGING
SYSTEM
(WARM
OR
COLD
WEATHER)
To charge system fill the tank with 4.25 gallons of
water through the chemical tank rinse and fill fitting
located above the inside right side engine com-
partment door. Press the control button in lavatory to
flush and add the recommended 6 oz. of DG-19
chemical or the alternate and quantities as shown
later. Flush again and the system is now i"eady for
use.
WINTERIZING
Although DG-19 will freeze below
+
30°F., upon
thawing, the performance of the chemical will not be
affected.
The most economical way to protect the assembly
should it be exposed to extreme cold temperatures, is
to use an antifreeze solution such as ethelyne gylcol
in the waste chemical tank.
Based on the expected average low temperature
and the quantity of waste in the waste chemical tank,
charge the toilet assembly according to Table 1.
TABLE l
TEMPERATURE VERSUS PERCENTAGE
OF ANTIFREEZE REQUIRED
Percentage of Antifreeze required in Tank
25%
33%
40%
50%
Protects To
+
l 0°F 0°F
- I 2°F -34°F
CAUTION
"Ethylene glycol" can prove fatal if a sufficient
quantity is ingested. Do not use automotive "stop-
leak" formula which frequently causes coagulation of
the flushing fluid when mixed with high quality
deodorizing additives.
FOR BETTER ODOR CONTROL IT IS RECOM-
MENDED THAT THE AMOUNT OF CHEMICAL
(DG-19) BE DOUBLED WHEN USED IN CONJU-
NCTION WITH ANTIFREEZE.
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