A_GC_SM_HDGASCOUNTERSERV_GT-UT-SERIES (Rev 1)Page 30
Broiler Adjustments
Pilot Adjustment Valves
• Also known as gum valves (Figure 16).
• Available in single or double.
• Adjustable with a set-screw using a straight blade pocket
screwdriver.
• Turn set-screw counter-clockwise to increase flow; turn set-
screw clockwise to decrease flow.
• Precisely adjust the pilot flame to a slight yellow tip to provide
maximum performance.
Pilot Adjustment Valves Location
• All pilots adjustment valves are located on the manifold,
behind the front panel (Figure 17).
• To remove the front panel, remove knobs with set screws.
Then release the four (4) screws holding the panel and remove
panel.
Adjustable
Set-Screw
Pilot Tip Figure 16
Gas
Manifold
Gum
Valve
Front
Panel
Figure 17
Gas Burner Control Valves
1. Non-adjustable Burner Control Valve (Charcoal models
only)
• Regulates the flow of gas to the burner.
• Fixed and non-adjustable control.
• Valves located behind the knobs, connected to the
manifold.
2. Adjustable Hi/Low Burner Control Valve
• Regulates the flow of gas to the burner.
• Use a straight blade pocket screwdriver to adjust low
setting higher or lower.
• Valves are located behind the knobs, connected to the
manifold.
• Reminder: Adjustments on valves are for the low
flames setting only.
Non-adjustable Valve
Adjustable Valve
To remove and replace a control valve:
1. Remove the knobs.
2. Remove the four (4) screws holding the front panel, and remove panel.
3. Disconnect gas line. Then unscrew valve from the manifold.
4. Install a new valve in reverse order.
5. Reconnect gas line.
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