Belshaw Brothers BARO-G, Operator'S Manual

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ETL File 3028821
37
V.B2006
Model BARO Rack Oven
1. Display on, no rack lift/rotate or light continued
•
Check for proper rack (height and slide dimensions) and upper limit switch for
proper adjustment. Make sure both rack clips on carrier lock.
•
Check floor anchors for security. If floor is not secure it will buckle up and
keep racks from turning.
•
Check oven level and shaft plumb.
Rack Continues to Rotate or Does not Lower
1. Rack continues to rotate or does not lower when door is open
•
Check door switch for normal operation.
•
Check MR3 for normal operation.
•
Display at this point should read door open.
•
Check pointer switch for normal operation. When pointer switch is open and
MR3 points are open MR4 should be in normally closed condition.
•
Check MR4 and lower limit switch for normal operation.
•
If 120VAC is present between wires 18 and 2 on lift actuator and actuator will
not lower check capacitor before changing actuator.
Burner Screeching or Banging on Ignition
1. Gas pressure
•
Check gas supply pressure, NG 5”-14” and LP 10”-14” with never more than a
½” W/C pressure drop—this could indicate low gas volume. Manifold pressure
on
BARO-1G
3” NG and 8” LP. Manifold pressure on
BARO-2G
2.5”-2.8”
NG (see tag on valve) and 6” LP.
2. Exhaust plugged
•
Check exhaust for obstructions.
3. Cracked heat exchanger
•
Inspect heat exchanger for cracks.
4. Inshot burners obstructed or damaged
•
Visually check flames to make sure they are burning straight up burner tubes
and not rolling into manifold.
•
Pull manifold and correct burner alignment.
•
Remove foreign objects and clean flour or dust buildup from burners.
5. Valve leaking
•
If valve does not seat closed gas can leak into heat exchanger when not
calling for heat.