Instructions for Maintenance and Adjustment of Steam Thermostat
Steam thermostats are designed for use with steam pressure specified on
order for each urn. If cleaned regularly, the thermostat will operate properly
and give
many years
of
reliable service. Cleaning is important to satisfactory
operation. Therefore, follow these instructions carefully.
IMPORTANT:
Before installation, blow out pipe lines and check strainer on inlet side of
thermostat lo make sure it is clean. Clean valve disc a lew days after initial installation (see
instructions in first column). Also, clean valve disc promptly whenever thermostatic action
appears defective.
CLEAN VALVE DISC AND SEAT
EVERY 60 DAYS
After several hours use on a new in stallation
and every 60 days thereafter, Valve disc,
gland pin and seat should be cleaned to insure
proper operation. Proceed
as
follows:
TO CHECK & CLEAN
STRAINER
If there is a noticeable increase in time
required to heat urn, this may be due to
clogging of the strainer on the inlet side of-
the thermostat by scale and other foreign
matter. The strainer should be cleaned to
restore normal flow of steam as follows:
(Note:
Not all thermostats have strainer.)
TO ADJUST THERMOSTAT
Temperature adjustment of this thermostat has
been carefully checked at the factory and will
rarely require re-setting and adjustment.
Adjustment may be made if necessary as
follows:
6LSQ
