CHAMPION USN72 - Manual (Page 162)

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Part 6: REPLACEMENT PARTS Part 8: SPECIAL INSERTS
P.O. Box 4146
Winston-Salem, NC 27115
Tel: 336-661-1556
Fax: 336-661-1660
Tel: 800-858-4477
SERVICE BULLETIN
Stemco Thermostat Replacement
Stemco Replaces Fenwall
January 20, 2003
REPLACING FENWAL THERMOST
P/N 100128 WITH STEMCO THERMOSTAT
P/N 109069
For all Navy machines that are purchased with steam heated boosters. This notification is
for the replacement of the thermostat in those boosters. To ensure that the thermostat is
placed properly into the booster tank, please follow the diagram listed below. When replac-
ing the the thermostat use part number 109069.
1. Mark off the measurement of 12 inches from the end of the bulb. This will be at the end
of the 1/2" nut that mounts inside of the tee.
2. Insert the thermostat bulb 12 inches into the booster. Ensure that the bulb is inside one
of the copper water tubes and not coiled up inside of the head. Place plumbers putty on
the 1/2" nut. Tighten down the 1/2" nut inside of the tee.
3. Push the remaining capillary tube to the marking and tighten down the compression nut
so as to lock down the furrell on the capillary. The thermostat replacement is now
complete.
Navy Steam Boosters
12 Inches
12 inches