Instruction/ maintenance manual of the product 35 Desa
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100 SIDE FRONT HANDLES PFA/PV 003 PORT ABLE FORCED AIR HEA TERS OWNER’S MANUAL 150 SIDE FRONT HANDLE PFA/PV 007 Heater Sizes: 35,000 50,000 55,000 70,000 100,000 1 10,000 150,000 BTU/Hr ARL LOGO G 004 ® IMPORTANT Read and understand this manual before assembling, starting, or servicing heater.
2 099176 Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Unpacking ..........................................
3 099176 SAFETY INFORMA TION Continued W ARNINGS (Continued) • Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never use gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels.
4 099176 PRODUCT IDENTIFICA TION 35/50/70,000 BTU/HR DOMESTIC PFA/PV 042 Handle Fuel Cap Lower Shell Power Cord Side Cover Fuel Tank Hot Air Outlet Air Filter End Cover Fan Guard Upper Shell Figure 1 .
5 099176 These models are furnished with wheels and a front handle. Some models are furnished with a rear handle also. Wheels, handle(s), and the mounting hardware are found in the shipping carton. Tools Needed • Medium Phillips Screwdriver • 3/8" Open or Adjustable Wrench • Hammer 1.
6 099176 THEOR Y OF OPERA TION The Fuel System: The air pump forces air through the air line. The air is then pushed through the burner head nozzle. This air causes fuel to lift from the tank. A fine mist of fuel is sprayed into the combustion chamber.
7 099176 W ARNING ! VENTILA TION Continued Follow the minimum fresh, outside air ventilation requirements. If proper fresh, outside air ventilation is not provided, carbon monoxide poisoning can occur. Provide proper fresh, outside air ventilation before running heater.
8 099176 OPERA TION Continued Item How Often How To Fuel tank Flush every 150-200 hours See Storage above. of operation or as needed. Air output and Replace every 500 hours of See Air Output, Air Intake, lint filters operation or once a year. and Lint Filters, page 10.
9 099176 Wrong pump pressure Dirty air output, air intake and lint filters Dirty fuel filter Dirt in nozzle Dirty photocell lens Bad flame-out control Heater ignites, but flame-out control shuts off heater after a short period of time. W ARNING ! TROUBLE- SHOOTING Never service heater while it is plugged in, operating, or hot.
10 099176 SER VICE PROCEDURES Air Output Filter Lint Filter Air Intake Filter Filter End Cover Air Output Filter Lint Filter Air Intake Filter Filter End Cover Fan Guard Figure 11 - Air Output, Air In.
11 099176 Pump Pressure Adjustment 1. Remove pressure gauge plug from filter end cover. 2. Install accessory pressure gauge (part number HA1180). 3. Start heater (see Operation, page 7). Allow motor to reach full speed. 4. Adjust pressure. Turn relief valve to right to increase pressure.
12 099176 11. Tighten spark plug with spark plug mounting nut. 12. Release hex-body of spark plug from vise. 13. Replace burner strap onto combustion chamber. 14. Attach spark plug wire to spark plug. 15. Attach fuel and air line hoses to nozzle assembly.
13 099176 Nozzle (70/100/110/150,000 BTU/Hr Models) 1. Remove upper shell (see page 10). 2. Remove fan (see page 10). 3. Remove fuel and air line hoses from burner head. 4. Remove spark plug wire from spark plug. 5. Remove spark plug from burner head using 13/16" open-end wrench.
14 099176 (Pump Rotor, continued) 10. Install blades, pump plate, air filters, and filter end cover. 11. Replace fan guard and upper shell. 12. Adjust pump pressure (see page 11). Note: If rotor is still binding, proceed as follows. 13. Perform steps 1 through 6 (see page 13).
15 099176 MAINTENANCE KITS A 008 FLAME-OUT CONTROL/PHOTOCELL TESTER - HA1170 For all models. Special tool used to test the flame-out control and photocell. HEAVY DUTY WHEELS AND HANDLE KIT - HA1202 For heavy duty applica- tions. Makes your heater even more portable and convenient.
W ARRANTY AND REP AIR SERVICE WARRANTY SERVICE Should your heater require service, return it to your nearest authorized service center. Proof of purchase must be presented with the heater. The heater will be inspected. A defect may be caused by faulty materials or workman- ship.
An important point after buying a device Desa 35 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Desa 35 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Desa 35 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa 35 you will learn all the available features of the product, as well as information on its operation. The information that you get Desa 35 will certainly help you make a decision on the purchase.
If you already are a holder of Desa 35, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Desa 35.
However, one of the most important roles played by the user manual is to help in solving problems with Desa 35. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa 35 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
