Instruction/ maintenance manual of the product B70D Desa
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POR T ABLE FORCED AIR HEA TER OWNER’S MANUAL IMPORTANT: Read and understand this manual before assembling, starting, or servicing heater. Improper use of heater can cause serious injury. Keep this manual for future reference. ARL LOGO G 004 ® Heater Size: 70,000 Btu/Hr Models: R70D and B70D H.
2 103685 POR T ABLE FORCED AIR HEA TERS 70,000 Btu/Hr H.S.I. Series SAFETY INFORMA TION WARNINGS IMPORTANT: Read this Owner’s Manual carefully and completely before trying to assemble, oper- ate, or service this heater.
3 103685 OWNER’S MANUAL Figure 2 - Cross Section Operational View Clean Heated Air Out Figure 1 - 70,000 Btu/Hr Handle Fuel Cap Lower Shell Power Cord Fuel Tank Hot Air Outlet Air Filter End Cover Fan Guard Upper Shell Side Cover Ignition Control Assembly (assembly on inside of side cover) UNP ACKING 1.
4 103685 POR T ABLE FORCED AIR HEA TERS 70,000 Btu/Hr H.S.I. Series TO START HEATER 1. Follo w all v entilation and safety infor- mation. 2. Fill fuel tank with kerosene or No. 1 fuel oil. 3. Attach fuel cap. 4. Plug power cord of heater into three- prong, grounded extension cord.
5 103685 OWNER’S MANUAL STORING, TRANSPOR TING, OR SHIPPING Note: If shipping, transport companies re- quire fuel tanks to be empty. 1. Drain fuel tank. Drain fuel through fuel cap opening. Be sure all fuel is re- moved. 2. If any debris is noted in old fuel, add 1 or 2 quarts of clean kerosene to tank, stir , and drain again.
6 103685 POR T ABLE FORCED AIR HEA TERS 70,000 Btu/Hr H.S.I. Series TROUBLESHOOTING WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. REMEDY 1. Check circuit breaker in electrical panel 2.
7 103685 OWNER’S MANUAL Figure 3 - Upper Shell Removal SER VICE PROCEDURES WARNING: Never service heater while it is plugged in, op- erating, or hot. Severe burns and electrical shock can occur. UPPER SHELL REMOVAL 1 . Remove screws along each side of heater using 5/16" nut-dri ver .
8 103685 POR T ABLE FORCED AIR HEA TERS 70,000 Btu/Hr H.S.I. Series SER VICE PROCEDURES Continued WARNING: Never service heater while it is plugged in, op- erating, or hot. Severe burns and electrical shock can occur. Fuel Filter Side Cover Upper Fuel Line Figure 8 - Fuel Filter Removal FUEL FILTER 1 .
9 103685 OWNER’S MANUAL SER VICE PROCEDURES Continued Figure 12 - Removing Air and Fuel Line Hoses NOZZLE ASSEMBLY 1. Remov e upper shell (see page 7). 2. Remov e fan (see page 7). 3. Remov e fuel and air line hoses from nozzle assembly (see Figure 12).
10 103685 POR T ABLE FORCED AIR HEA TERS 70,000 Btu/Hr H.S.I. Series SER VICE PROCEDURES Continued PUMP ROTOR (Procedure if Rotor is Binding) 1. Remov e upper shell (see page 7). 2. Remov e filter end cover scre ws using 5/16" nut-dri ver . 3. Remove filter end cover and air filters.
11 103685 OWNER’S MANUAL SPECIFICA TIONS Output Rating (Btu/Hr) 70,000 Fuel Use Only Kerosene or No. 1 Fuel Oil Fuel Tank Capacity (U.S. Gal.) 5.0 Fuel Consumption (Gal.
12 103685 POR T ABLE FORCED AIR HEA TERS 70,000 Btu/Hr H.S.I. Series ILLUSTRA TED PA R T S BREAKDOWN Motor and Pump Assembly 12-11 12-18 12-17 12-16 12-15 12-14 12-13 12-12 12-10 12-1 12-2 12-3 12-4 1.
13 103685 OWNER’S MANUAL P ARTS LIST This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then the part number and description of the desired part.
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 workmanship.
An important point after buying a device Desa B70D (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 B70D 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 B70D - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa B70D you will learn all the available features of the product, as well as information on its operation. The information that you get Desa B70D will certainly help you make a decision on the purchase.
If you already are a holder of Desa B70D, 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 B70D.
However, one of the most important roles played by the user manual is to help in solving problems with Desa B70D. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa B70D 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
