Desa B350D Owner'S Manual Download Page 18 | Manualshive

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110098-01F

18

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9

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3

1

2

REF
NO. PART NO.

DESCRIPTION

QTY.

1

M10908-2

Screw, #6-32 x 3/8"

(350,000 Btu/Hr Only)

2

2

099229-01 Photocell Bracket

(350,000 Btu/Hr Only)

1

3

HA3012

Spark Plug

1

4

M50112

Nozzle (350,000 Btu/Hr)

1

M30765

Nozzle (600,000 Btu/Hr)

1

5

M51170-01 Plug

1

6

M50924-02 Burner Head Body

1

7

69246

Straight Nipple

1

8

M50077

Solenoid Valve

1

9

M50297

Compression Elbow

1

BURNER HEAD ASSEMBLY 350,000 AND 600,000 BTU/HR

ILLUSTRATED PARTS BREAKDOWN AND PART LIST

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Summary of Contents for B350D

Page 1: ...peration with Portable Generator 6 Preventative Maintenance Schedule 6 Fill In For Your Records Model No _____________________ Located on side panel Serial No ______________________ Located on fuel tank Date of Purchase _______________ TABLE OF CONTENTS Troubleshooting 7 Service Procedures 10 Illustrated Parts Breakdown and Parts List 14 Speciﬁcations 21 Wiring Diagram 21 Maintenance Kits 22 Techn...

Page 2: ...er fuel be stored inside a building in the vicinity of the heater Bulk fuel storage shall be outside the structure f All fuel storage shall be located a minimum of 25feetfromheaters torches weldingequipment and similar sources of ignition exception the fuel reservoir integral with the heater unit g Whenever possible fuel storage shall be conﬁned to areas where ﬂoor penetrations do not permit fuel ...

Page 3: ...Button UNPACKING 1 Remove all protective packing applied to heater for shipment 2 Remove heater from shipping container 3 Check heater for any shipping damage If heater is damaged promptly inform dealer where you bought heater OPERATION The Fuel System The motor turns the fuel pump The fuel pump pulls fuel from the fuel tank The fuel pump pushes fuel through a ﬁlter and a solenoid valve and out th...

Page 4: ...el tank with kerosene 1 2 diesel fuel oil JET A or JP 8 fuels 4 Attach fuel cap 5 Set thermostat dial to desired temperature Note Thermostat setting must be higher than surrounding air temperature 6 Plug power cord of heater into three prong grounded extension cord Extension cord must be at least six feet long WARNING Use only a three prong grounded extension cord Use cord with proper wire sizetoa...

Page 5: ...stopping heater 2 Repeat steps under To Start Heater page 4 STORING TRANSPORTING OF SHIPPING Note If shipping transport companies require fuel tanks to be empty 1 Drain all fuel from fuel lines and pump ﬁlter see Fuel Filters page 12 2 Clean and ﬂush fuel ﬁlter in fuel pump if equipped see Fuel Filters page 12 3 Remove drain plug and drain fuel tank 4 Replace drain plug 5 If any debris is noted in...

Page 6: ...lean when dirty Cleantwiceaheatingseasonorreplace as needed Check and tighten loose connections occasionally Clean fuel ﬁlter element every 250 hours Clean and regap every 300 hours of operation or replace as needed Clean each season or as needed Check each season for dirt and debris Not required permanently lubricated OPERATION WITH PORTABLE GENERATOR WARNING Before operating heater or any applia...

Page 7: ...n and fan guard area C Turn fan by hand If fan is hard to turn see Pump page 12 D See steps B and C under item 1 above Note Be sure to reset motor overload protector by pressing reset button on top of motor 4 Press and release ﬂame out control reset button See Figure 4 page 4 for button location 5 Replace ﬂame out control 6 Replace power relay 7 Replace thermostat 8 Turn fan by hand If fan is hard...

Page 8: ...ons page 11 6 Connect spark plug wire to spark plug 7 A Adjustelectrodegapto 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 electrodes If found replace plug see Spark Plug page 10 8 Check electrical connections and voltage to solenoid If good replace solenoid valve 9...

Page 9: ...ions page 11 2 Clean fuel filters see Fuel Filters page 12 3 Replace nozzle see Nozzle page 10 4 Clean photocell lens with clean cotton swab 5 Replace photocell 6 Replace ﬂame out control 7 Replace fan switch 1 Adjust pump pressure see Pump Pressure Adjustment sections page 11 2 A Add fuel to tank B Check fuel tank for bubbles of water in bottom If found remove fuel see Storing Transporting or Shi...

Page 10: ...rk Plug Burner Head 075 inch Figure 9 Spark Plug Gap SPARK PLUG 1 Remove upper shell see Upper Shell Removal 2 Remove spark plug wire from spark plug see Figure 8 3 Remove spark plug from burner head using 13 16 open end wrench see Figure 8 4 Replace spark plug if damaged or heavily coated with carbon 5 Clean and regap spark plug electrodes to 075 inch see Figure 9 6 Install spark plug in burner h...

Page 11: ...rked GAUGE SERVICE PROCEDURES Continued Figure 11 Adjusting Pump Pressure p s i Pressure Gauge Fuel Pump Port Marked GAUGE Fuel Pump Port Marked PRESS ADJ Model Pump Pressure 350 000 Btu Hr 100 PSI 600 000 Btu Hr 110 PSI PUMP PRESSURE ADJUSTMENT FOR HEATERS WITH FUEL FILTER INTERNAL TO PUMP 1 Remove pressure gauge plug from fuel pump port marked GAUGE 2 Install accessory pressure gauge part number...

Page 12: ...4 Turning Fan with Hand Fuel Line Solenoid Valve Burner Head Fuel Pump Figure 15 Fuel Line at Solenoid Valve Figure 16 Fuel Lines at Pump Fuel Lines PUMP Procedure if Pump is Binding 1 Remove upper shell see Upper Shell Re moval page 10 2 Loosen hex screw on ﬂange clamp at rear of motor with 5 16 nut driver see Figure 13 3 Turn fan with hand see Figure 14 4 If fan turns freely tighten screw on ﬂan...

Page 13: ...nscrew canister bottom from canister top with adjustable pliers 2 Remove fuel ﬁlter and gasket from canister bottom see Figure 18 3 Inspect canister bottom and fuel ﬁlter for water droplets or dirt 4 Rinse canister bottom in clean kerosene 5 Wipe inside of canister bottom dry with clean cloth 6 Rinse fuel ﬁlter in clean kerosene 7 Put clean fuel ﬁlter and gasket back in canister bottom 8 Screw can...

Page 14: ...om 110098 01F 14 ILLUSTRATED PARTS BREAKDOWN MODELS B350D SB350D AND R350A 1 2 2 4 5 21 2 7 8 9 10 13 11 12 14 15 16 19 20 21 4 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 37 38 34 2 39 2 40 4 6 20 13 3 17 18 41 ...

Page 15: ...model R350A White 1 20 M11271 8 Clip nut 16 21 M11084 3 Screw 12 14 x 1 2 14 22 M50104 02 Bushing 2 23 099509 01 Wire harness 1 24 M50115 01 Fuel line assembly 1 25 M50062 03 Front handle 1 26 097702 01 Fuel cap 1 27 HA2210 Filler neck screen 1 28 HC4 18C Screw 1 4 20 x 2 1 4 6 29 M51043 01 Screw 1 4 20 x 1 1 2 2 30 M50062 04 Rear handle 1 31 098513 05 Fuel tank 1 32 M50063 Wheel support frame 1 3...

Page 16: ...1F 16 ILLUSTRATED PARTS BREAKDOWN MODELS B600D SB600D AND R600A 1 2 2 3 4 5 13 6 7 45 46 8 9 10 11 13 14 21 18 17 15 16 23 22 24 25 33 2 4 28 30 26 27 34 25 16 2 35 36 41 42 15 43 43 44 39 38 37 15 29 12 40 2 19 20 2 4 31 32 47 ...

Page 17: ... 24 M50224 Front handle 1 25 M51043 01 Screw 1 4 20 x 1 1 2 6 26 097702 01 Fuel cap 1 27 HA2210 Filler neck screen 1 28 099509 02 Wire harness 1 29 M28872 01 Rear handle 1 30 M50115 02 Fuel line assembly 1 31 M50050 Ignition boot 1 32 102482 04 Electronic Ignitor 1 33 098513 07 Fuel tank 1 34 HC4 22C Screw 1 4 20 x 2 3 4 8 35 M28140 02 Wheel support frame 1 36 M18774 Axle 1 37 M27417 Drain plug 1 ...

Page 18: ...hotocell Bracket 350 000 Btu Hr Only 1 3 HA3012 Spark Plug 1 4 M50112 Nozzle 350 000 Btu Hr 1 M30765 Nozzle 600 000 Btu Hr 1 5 M51170 01 Plug 1 6 M50924 02 Burner Head Body 1 7 69246 Straight Nipple 1 8 M50077 Solenoid Valve 1 9 M50297 Compression Elbow 1 BURNER HEAD ASSEMBLY 350 000 AND 600 000 BTU HR ILLUSTRATED PARTS BREAKDOWN AND PART LIST ...

Page 19: ...rt 600 000 Btu Hr 1 8 M50297 Compression elbow 1 9 098560 02 Fuel pump 1 10 110381 01 Filter element and gasket inside fuel pump 1 11 M50113 02 Straight ﬁtting 2 12 M10908 14 Screw 8 32 x 3 8 1 13 101504 01 Strain relief bushing 1 14 Lockwasher 5 16 4 15 NPF 5C Hex nut 5 16 24 4 16 HA3003 Flame out control 1 17 101547 01 Snap bushing 3 18 M10908 2 Screw 6 32 x 3 8 2 19 097491 01 Power relay 1 20 0...

Page 20: ...9518 05 Motor support 350 000 Btu Hr 1 101552 01 Motor support 600 000 Btu Hr 1 8 57413 Street elbow 2 9 M17499 2 Pipe nipple 1 10 098102 01 Fuel ﬁlter assembly 1 098103 01 Filter element inside fuel ﬁlter assembly includes rubber gaskets 1 11 M50114 02 90 Male elbow 1 12 M50297 Compression elbow 1 13 M50113 02 Straight ﬁtting 1 14 098560 02 Fuel pump 1 15 Lockwasher 5 16 4 16 NPF 5C Hex nut 5 16 ...

Page 21: ...age Normal Run 7 1 11 Motor RPM 1725 1725 Fuel Pump Pressure PSI 100 110 Spark Plug Gap 075 075 Weight approx lbs Dry 180 285 With Full Fuel Tank 390 550 WIRING DIAGRAM 1 3 2 FAN SWITCH 7 5 B A MOTOR RELAY WHITE RED ORANGE ORANGE RED BLACK WHITE BLACK WHITE BLUE BLUE WHITE BLACK BLACK THERMOSTAT B R FLAME OUT CONTROL RESET BUTTON RED YELLOW YELLOW RED WHITE SOLENOID VALVE WHITE TERMINAL BOARD TERM...

Page 22: ...SURE GAUGE 110380 01 Special tool to check fuel pump pressure REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they canʼt supply original replacement part s call DESA Heating ProductsʼTechnical Service Dept at 1 866 672 6040 When calling DESA Heati...

Page 23: ...______________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _______________________________________...

Page 24: ...Heating Products 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 in structions 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 p...

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