Description And Operation - Monogram 15900-012 Assembly

1. General
A. The flushing toilet assembly covered in this manual is a separable assembly of the toilet
installation and is capable of receiving, temporarily storing, and during ground servicing,
disposing of waste. Refer to Table 1, Leading Particulars for general specifications of the
toilet assembly.
2. Description
A. The toilet assembly (Figure 1) basically consists of the toilet bowl, (1), timer (2), tank and
top assembly (3), motor-pump-filter unit (4), drain valve assembly (5), solenoid valve
assembly (6), liquid level transmitter (7).
B. The toilet bowl assembly, made of polished stainless steel, is mounted on top of the tank and
top assembly. The timer assembly, a solid-state electronic device used to control sequence
and timing of flushing operation, is also located on the top of the tank. The tank and top
assembly, a Kevlar tank with molded-in structure reinforcement and top is the reservoir for
flushing fluid and waste. The motor-pump-filter assembly (MPFA) consist of a DC Motor
Assembly, static TEF coated perforated filter, pump impeller and rotating spray nozzle
housing. The MPFA is mounted on the tank with filter submerged in the flushing fluid. The
spring loaded, cable actuated drain valve assembly seals the toilet to prevent leakage of
stored fluid and waste and to permit draining and cleaning of the toilet during ground
servicing. The solenoid valve assembly controls the admission of cleansing and charging
fluid. The liquid level transmitter is a solid state electronic device capable of sensing two
discrete points of fill on the toilet tank and transmitting an electronic signal for pre-charge
level or full-tank level. The level sensors are located on an inside wall of the tank and the
transmitter is mounted on the top of the tank.
Monogram Sanitation
COMPONENT MAINTENANCE MANUAL
PN 15900-012 Series

DESCRIPTION AND OPERATION

38-31-07
Page 1
Jan 10/95