Southbend C0300HT, Technical Manual

Page: 7 / 30

ADJUSTMENTS
THERMOSTAT REMOVAL AND REPLACEMENT: (Continued)
5. Loosen bolt(s) on bottom of griddle plate (Item "D") 1/
2
inch then pull thermostat bulb out front.
NOTE: If bulb will not pull out loosen bolt (Item "D") further (DO NOT FORCE).
6. Reverse steps 3 thru 5 to install new thermostat.
NOTE: Snug bolt (Item "D") DO NOT over tighten, (this will damage capillary bulb causing incorrect sensing).
7. Make sure the excess capillary wire is stored in the cool zone under thermostat body in front of burners.
8. Replace valve panel.
9. Replace thermostat knob(s),
FIGURE 4
PRESSURE REGULATOR:
The pressure regulator is factory set a 7-8" W.C. for natural gas and 11-12" W.C. for propane gas. To check the manifold
pressure:
1. Turn all thermostats and burner valves to "OFF" position.
2. Turn main gas valve to entire unit off.
3. Remove valve panels and locate 1/8" plug in manifold.
4. Remove plug and install a fitting appropriate to connect a manometer.
5. Turn on main gas to unit and light pilots.
6. Turn all burners and ovens to full "ON" position and read manometer.
7. If manometer does not read 4" W.C. for natural gas,
or 10" W.C. for propane gas, adjust regulator (if gas pressure
is O.K. go to step 10)
8. Remove cap form top of regulator.
9. With a screwdriver rotate regulator adjustment screw
"Clockwise" to increase, or "counterclockwise" to decrease,
pressure until manometer shows correct reading.
10. Repeat steps 1 and 2.
11. Remove manometer fitting and replace plug in manifold.
12. Repeat step 5.
13. Replace valve panels.
FIGURE 5
PAGE 6