Figure 5-14.Right side view of tumbler.
reversing timer (on machines so equipped), and door
safety switch at various times. To make these
adjustments, refer to the manufacturers instructions
for specific procedures.
LUBRICATION.Once a month, remove the
circular cover on the drive guard and oil the chain,
using SAE-30 oil. The pillow block, trunnion, and
motor bearings are sealed and require no service.
The purpose of the steam generator is to provide
enough steam to operate tumblers, as well as to provide
a continuous supply of hot water to the washers under
constant operation. One type of steam generator
frequently used in laundries at Navy activities is the
Clayton steam generator, Model RO-33-PL.
Some portable skid-mounted units use a
self-contained oil-fired water heater to
supply hot water for washers instead of a
The Clayton steam generator is a water-tube
boiler that delivers its rated output of 99 percent
quality steam (containing less than 1 percent
moisture) per hour from 60°F feedwater. The
generator develops its full-rated pressure within 5
minutes from a cold start.
The generator features a continuous circulating
feedwater system with a constant capacity pump that
ensures a wet tube in the generator-heating unit at all
times. Automatic controls regulate the feedwater rate