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New Buck Corporation 329 User Manual

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OBSERVED 
PROBLEM 
 
Burner does not light after ODS/
Pilot is lit 
 
 
 
 
Delayed ignition of burner 
 
 
 
 
 
Burner backfiring during 
combustion 
 
 
 
 
Slight smoke or odor during 
initial operation 
 
 
Heater produces a whistling 
noise when burner is lit 
POSSIBLE 
CAUSE 
 
1.  Burner orifice is clogged   
 
 
2.  Inlet  gas pressure is too low 
 
 
1.  Manifold pressure is too low 
 
2.  Burner orifice is clogged 
 
 
 
1.  Burner orifice is clogged or 
damaged 
 
2.  Burner damaged 
3.  Gas regulator defective 
 
1.  Residues from manufacturing 
process 
 
 
1.  Turning control knob to HI 
position when burner is cold 
(if equipped with this type of  
valve) 
2.  Air in gas line 
 
 
 
3.  Air passageways on heater 
blocked 
4.  Dirty or partially clogged 
burner orifice 
 
SOLUTION 
 
1.  Clean burner  (see Cleaning 
and Maintenance) or replace 
burner orifice 
2.  Contact local propane gas 
company 
 
1.  Contact local propane gas 
company. 
2.  Clean burner (see Cleaning 
and Maintenance) or replace 
burner orifice 
 
1.  Clean burner (see Cleaning 
and Maintenance) or replace 
burner orifice 
2.  Replace burner 
3.  Replace gas regulator 
 
1.  Problem will stop after a few 
hours of operation 
 
 
1.  Turn control knob to LOW 
position and allow to warm 
 
 
2.  Operate burner until air is 
removed from line.  Call 
local propane company to 
check gas line. 
3.  Observe minimum 
installation clearances 
4.  Clean burner or replace 
orifice 
 
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