A_GC_SM_HDGASCOUNTERSERV_GT-UT-SERIES (Rev 1)Page 28
Griddle Adjustments — Hi/Low Valve
Griddles with Hi/Low Valves
The Hi/Low Gas Valves are located behind the knobs, connected to the manifold. Use a straight blade pocket
screwdriver to adjust low setting higher or lower.
Reminder
. Adjustments on valves are for the low flames setting only. See section “Adjuct Hi-Lo Valve”
below.
Adjust a Hi-Lo Valve
Griddles equipped with Hi-Lo valves required a low flame setting. To
adjust:
1. Burner must be cold.
2. Ensure pilot flames are lit and adjusted.
3. Turn dial to “LO” position, then remove dial.
4. With a screwdriver, turn the small adjusting screw inside the valve
stem and adjust to obtain the low cooking temperature desired,
maintaining a stable flame covering the entire burner (minimum
3/16” (5mm) long flame).
5. Replace the dial and turn to “OFF” position.
Adjustable Valve
Remove and replace a Hi/Low Valve
1. Remove knobs.
2. Remove the four (4) screws from front panel and remove panel.
3. Disconnect gas line and then unscrew valve from manifold.
4. Install new valve in reverse order.
5. Reconnect gas line.
6. Check for gas leaks.
Burner Gas / Air Shutter Adjustment
Variations in field conditions, and/or rough handling
of the equipment in transit may result in the need
for adjustment of the primary air to the burners. The
following steps will show you how to provide a sharp
blue flame at the full rate (open valve fully for the
maximum gas flow).
1. On the burner locate the aeration shutter (figure 6).
2. Loosen the fixing screw so that the aeration shutter
turns freely.
3. Turn on the gas flow and ignite the burner.
4. Rotate the air shutter to obtain the 5/16” stable,
sharp inner blue cones (figure 15).
Injector LŽĐĂƟŽŶ
Fixing Screw
Air Flow
AeraƟon
^ŚƵƩĞƌ
Figure 6
H Burner - Side View
5/16” stable sharp inner blue cone
Figure 15
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