HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR
TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY |
Heater will not ignite, but motor runs for a | 1. A) Fuel tank empty | 1. A) Add fuel to tank |
short period of time. | B) Water in fuel | B) Check fuel tank for bubbles of water |
| C) Wrong fuel | in bottom. If found, remove fuel (see |
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| Storing, Transporting, or Shipping, page |
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| 5). Clean tank and fuel filters (see Fuel |
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| Filters, page 12). Fill with clean fuel |
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| C) Remove wrong fuel (see Storing, |
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| Transporting, or Shipping, page 5). |
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| Clean tank and fuel filters (see Fuel Fil- |
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| ters, page 12). Fill with correct fuel |
2.Dirt in nozzle
3.Very low temperature may cause fuel to thicken and not flow
4.Dirty fuel filters
5.Wrong pump pressure
6.Spark plug wire disconnected from plug
7.Spark plug problems due to:
A)Wrong gap
B)Plug wet with fuel
C)Carbon deposits on plug
D)Damaged plug
2.Replace nozzle (see Nozzle, page 10)
3.Move heater to warmer place until fuel flows freely
4.Clean fuel filters (see Fuel Filters, page 12)
5.Adjust pump pressure (see Pump Pres- sure Adjustment, page 11)
6.Connect spark plug wire to spark plug
7.A) Adjust electrode gap to .075" (see Spark Plug, page 10)
B)Clean fuel from spark plug with clean, soft cloth
C)Replace plug if heavily coated with carbon (see Spark Plug, page 10)
D)Inspect plug for worn or eroded elec- trodes. If found, replace plug (see Spark Plug, page 10)
8. | Solenoid valve not opening | 8. | Check electrical connections and volt- | ||
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| age to solenoid. If good, replace sole- | |
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| noid valve | |
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| WARNING: High Voltage! |
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9. | Damaged electronic ignitor | 9. | Replace electronic ignitor |
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