Servicing Instructions; Abnormal Operation; Gaining Access To Gas And/Or Water System; Removal Of Burner For Service - Duck Bill, Chimney Burner And Ring Burner - B+S UFWWD Series Installation, Operating And Servicing Instruction Manual

WARNING!
B&S warranty and may result in damage to equipment or injury to personnel.
supply is turned off (isolated).
FAILURE TO DO SO WILL VOID B&S WARRANTY AND MAY RESULT IN DAMAGE TO EQUIPMENT OR

Abnormal Operation

Any of the following are considered to be abnormal operation and may require servicing;
Incomplete ignition of burner/burner failing to keep alight.
•
Check burner is not blocked.
•
Check aeration of burner.
•
Yellow tipping of the burner flame.
•
Gas valves which are difficult to turn.
•
Burner failing to keep alight.

Gaining Access to Gas and/or Water System

To gain access to gas system/components;
1. Undo nut (by turning anti-clockwise) located on the front of the flame failure valve (blue button).
2. Remove knob off pilot valve by gently pulling forward.
3. Remove nut located centrally on the main gas valve (black handle).
4. Remove knee valve wand by unscrewing from main body of knee valve (where fitted).
5. Where deck cooling is fitted remove water spindle control by;
a. Unscrewing cold button on spindle.
b. Gently remove dome handle by gently pulling forward.
c. Unscrew flange by turning anti-clockwise.
d. Unscrew water spindle by turning anti-clockwise (ensure spindle washer is removed).
6. Remove screws located on bottom corners of front panel. Ensure any screws located on the inside of the
gutter panel are also removed.
7. Gently pull front panel outwards from the bottom and lift front panel upwards.
8. REASSEMBLE IN REVERSE ORDER.

Removal of Burner for Service - Duck Bill, Chimney Burner and Ring Burner

Follow procedure described under GAINING ACCESS TO GAS AND/OR WATER SYSTEM;
1. Undo barrel union located at in the centre of the gas manifold.
2. Remove burner support screw by undoing wing-nut located on the bottom front of the appliance frame.
3. Gently lift burner upwards slightly and pull burner outwards.
4. REASSEMBLE IN REVERSE ORDER.

Pilot and Flame Safeguard

Access to pilot assembly is gained by removing the wing-nut located to the left of the pilot assembly which secures it
to the burner support bar, and gently pull forward to gain greater access (refer picture).
1. To service/remove the thermocouple;
a. Undo the nut located underneath and above the thermocouple at the pilot assembly and gently pull
thermocouple downwards.
b. Remove thermocouple from flame failure valve by unscrewing.
c. Reassemble in reverse order.
2. To service/remove pilot burner;
a. Undo nut located underneath the pilot burner on the pilot assembly.
b. Gently pull down pilot flexible gas tube.
c. Remove injector from pilot and clean (if required).
d. Reassemble in reverse order.
• Servicing shall be carried out by authorised personnel only. Failure to do so will void the
• Before commencing any disassembly/assembly of gas controls, please ensure the gas
INJURY TO PERSONNEL.

Servicing Instructions

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