One type of laundry unit you may encounter in
your work is shown in views A, B, and C of figure 5-9.
This laundry unit is mounted on three skids that are
fitted together in assembling; the unit. On one skid is
the washer unit, which consists of two, 75-pound, 26-
by 26-inch end-loading washers, and one 30-inch
Figure 5-9.Skid-mounted laundry unit.
top-loading extractor. View C shows the extractor and
the back of the washers more clearly. The middle skid
has the dryer unit, which consists of two 42- by 42-inch
steam-heated drying tumblers, one air compressor, an
electric-driven motor, and one stainless steel surge
tank. The other skid has the boiler unit; it consists of
an oil-fired 33-horsepower steam generator with a
return hot well, a water softener, and a 350-gallon
hot-water storage tank. This laundry unit can wash
and fluff dry 225 pounds (dry weight) of laundry per
In the following sections, information is provided
about the installation, maintenance, and minor repair
of laundry equipment. This information is not
intended to furnish all the details you need to know
concerning installation, maintenance, and repair of
washers, extractors, drying tumblers, and steam
generators. For specific information, you should
always refer to the instruction manual provided by the
manufacturer of the equipment.
The purpose of a washer is to wash clothes and
other suitable materials. The washing process is a
series of baths during which soil is loosened from the
materials, suspended in the water, and finally rinsed
away. Several baths are usually necessary to remove
the soil completely.
The type of washer most often used at Navy
activities is the Pellerin-Milnor end-loaded, fully
automatic washer (fig. 5-10) that is often referred too
simply as the "Milnor." This washer is provided with a
removable FORMULA CHART, which can be easily
changed at the discretion of the operator. Each formula
chart provides a full 88 minutes of operation if desired.
Marker labels affixed to the formula show the
operation in progress and which supplies are needed
when the timer signals. The Milnor washer is also
equipped with a Miltrol timer to carry the washer
through a complete cycle by following the formula cut
in the chart.
The Milnor washer has an automatic supply
injector unit that consists of five compartments.
Various supplies are placed into these compartments at
the start of the washing cycle. At a designated time,
the supplies are flushed from each compartment into