Desa ARL B70D Owner'S Manual Download

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PORTABLE

FORCED

AIR HEATER

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.S.I. Series

Summary of Contents for ARL B70D

Page 1: ...L IMPORTANT Read and understand this manual before assembling starting orservicingheater Improperuseofheatercancauseseriousinjury Keepthis manual for future reference ARL LOGO G 004 Heater Size 70 000 Btu Hr Models R70D and B70D H S I Series ...

Page 2: ...xception the fuel reservoir integral with the heater unit g Whenever possible fuel storage shall be confined to areas where floor pen etrations do not permit fuel to drip onto or be ignited by a fire at lower elevation h Fuel storage shall be in accordance with the federal state or local author ity having jurisdiction Never use heater where gasoline paint thinner or other highly flammable vapors a...

Page 3: ... air is then pushed through the nozzle This air causes fuel to lift from the tank A fine mist of fuel is sprayed into the combustion chamber The Air System The motor turns the fan The fan pushes air into and around the combustion chamber This air is heated and provides a stream of clean hot air The Ignition System The ignition con trol assembly provides power to the ignitor This ignites the fuel a...

Page 4: ...ilter and or nozzle IMPORTANT Use a KEROSENE ONLY storagecontainer Besurestoragecontaineris clean Foreign matter such as rust dirt or waterwillcausetheignitioncontrolassembly to shut down the heater Foreign matter may also require you to clean fuel system often Provide at least a three square foot opening offresh outsideairforeach100 000Btu Hr rating Provide extra fresh air if more heat ers are be...

Page 5: ...mmer months for use during next heating season Usingoldfuelcoulddamageheater PREVENTATIVE MAINTENANCE SCHEDULE WARNING Never service heater while it is plugged in operating or hot Severe burns and electrical shock can occur Item Fuel tank Air output and lint filters Air intake filter Fuel filter Ignitor Fan blades Motor How Often Flush every 150 200 hours of opera tion or as needed Replaceevery500...

Page 6: ...ll 9 Replace ignition control assembly POSSIBLE CAUSE 1 No power to heater 2 Bad electrical connection between mo tor and ignition control assembly or ig nition control assembly and power cord 3 Blown fuse on ignition control assembly 4 Binding pump rotor 5 Defective ignition control assembly 6 Defective motor 1 No fuel in tank 2 Pump pressure incorrect 3 Dirty fuel filter 4 Obstruction in nozzle ...

Page 7: ... Air Output Air Intake and Lint Filters Air Intake Filter Filter End Cover Fan Guard Air Output Filter Lint Filter AIR OUTPUT AIR INTAKE AND LINT FILTERS 1 Remove upper shell see Upper Shell Removal 2 Remove filter end cover screws using 5 16 nut driver 3 Remove filter end cover 4 Replace air output and lint filters 5 Wash or replace air intake filter see Preventative Maintenance Schedule page 5 6...

Page 8: ...e WARNING High Voltage 1 Unplug heater 2 Remove side cover screws 4 using 5 16 nut driver to expose ignition con trol assembly 3 Remove fuse cover 4 Remove fuse from fuse clips 5 Replace fuse with fuse of the same type and rating GMA 10 Do not substi tute a fuse with a higher current rating 6 Replace fuse cover 7 Replace side cover Fuse Fuse Cover Fuse Clips Figure 11 Replacing Fuse Nozzle Adapter...

Page 9: ...Figure 14 Nozzle and Nozzle Adapter Nozzle Adapter Assembly Combustion Chamber Continued Fuel Line Hose Nozzle Adapter Assembly Combustion Chamber Air Line Hose Burner Strap Photocell Wires FUEL AND AIR LINE REPLACEMENT AND PROPER ROUTING 1 Remove upper shell see Upper Shell Removal page 7 2 Remove side cover screws using 5 16 nut driver see Figure 8 page 8 3 Remove side cover 4 Inspect fuel and a...

Page 10: ...ing Screw Insert Rotor Air Output Filter Blade Pump Plate Air Intake Filter Filter End Cover Fan Guard Figure 16 Rotor Location Figure 17 Gap Adjusting Screw Locations Figure 18 Sanding Rotor Note Use only original replacement parts Thiswillprotectyourwarrantycoveragefor parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original repl...

Page 11: ... your nearest dealer or service center If they can not supply these accessories or parts either contact your nearest Parts Central or DESA International for referral information Parts CentralsarelistedintheAuthorizedService Center booklet supplied with heater DESA International P O Box 90004 Bowling Green KY 42102 9004 1 800 972 7879 Parts Department AIR GAUGE KIT HA1180 Special tool to check pump...

Page 12: ...RATED PARTS 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 12 5 12 6 12 7 12 8 12 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 9 2 9 1 9 3 9 4 9 5 17 18 19 20 21 22 23 24 25 26 27 28 29 30 34 35 36 32 33 31 R70D B70D ...

Page 13: ... Relief Spring 1 12 12 M22997 Plug 1 12 13 M8940 Steel Ball 1 4 Diameter 1 12 14 M29612 01 Output Filter 1 12 15 M12461 31 Screw 10 32 x 1 6 12 16 103676 01 Nylon Elbow 90 1 KEY PART NO NUMBER DESCRIPTION QTY Not available as an assembly Included in Rotor Kit part No HA3004 Included in Filter Kit Part No HA3014 Included in Pump Adjustment Kit Part No HA3020 12 17 M8643 Blade 4 12 18 FHPF3 5C Screw...

Page 14: ...ional warrants this product and any parts thereof to be free from defects in materials and workmanship for one 1 year from the date of first purchase when operated and maintained in accordance with instructions This warranty is extended only to the original retail purchaser when proof of purchase is provided This warranty covers only the cost of parts and labor required to restore the product to p...

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