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11

105398

OWNER’S MANUAL

Continued

SERVICE
PROCEDURES

Continued

Figure 18 - Removing Air and Fuel Line
Hoses (B100CEL Model Only)

Figure 20 - Removing Nozzle/Adapter
Assembly

Figure 21 - Nozzle and Nozzle Adapter

NOZZLE ASSEMBLY

1.

Remove upper shell (see page 8).

2.

Remove fan (see page 13).

3.

Remove fuel and air line hoses from
nozzle assembly (see Figure 17, 18 or 19).

4.

Turn nozzle assembly 1/4 turn to left
and pull toward motor to remove (see
Figure 20).

5.

Place plastic hex-body into vise and
lightly tighten.

6.

Carefully remove nozzle from the
nozzle adapter using 5/8" socket
wrench (see Figure 21).

7.

Blow compressed air through face of
nozzle. This will free any dirt in nozzle
area.

8.

Inspect nozzle seal for damage.

9.

Replace nozzle into nozzle adapter un-
til nozzle seats. Tighten 1/3 turn more
using 5/8" socket wrench 4.5 to 5.1 N-
m (40 to 45 in-lbs). See Figure 21.

10. Attach nozzle assembly to burner strap.
11. Attach fuel and airline hoses to nozzle

assembly. See Fuel and Airline Re-
placement and Proper Routing
.

12. Replace fan (see page 13).
13. Replace fan guard and upper shell (see

page 8).

Continued

Figure 19 - Removing Air and Fuel Line
Hoses (B150CEL Model Only)

FUEL AND AIR LINE
REPLACEMENT AND
PROPER ROUTING

1.

Remove upper shell (see page 8).

2.

Remove side cover screws using 5/16"
nut driver.

3.

Remove side cover.

4.

Inspect fuel and air line hoses for cracks
and/or holes. If fuel line hose is damaged,
disconnect from nozzle adapter (see Fig-
ure 17, 18, or 19) and from fuel filter (see
page 8). If air line hose is damaged, dis-
connect from nozzle adapter (see Figure
17, 18, or 19) and from barb fitting on
pump end cover (see Figure 22).

5.

Install new air and/or fuel line. Attach
one end of air line hose to barb fitting
on pump end cover (see Figure 22) and
the other end to nozzle adapter (see
Figure 17, 18, or 19). Attach one end
of fuel line hose to fuel filter (see page
8) and the other end to nozzle adapter
(see Figure 17, 18, or 19).

For B35CEL and B70CEL model heat-
ers, route air and fuel lines approxi-
mately as shown in Figure 17.

Note:

 Hoses are not to be touching pho-

tocell bracket.

For B100CEL model heater, route air
and fuel lines approximately as shown
in Figure 18.

Note:

 Hoses are not to be touching pho-

tocell bracket.

For B150CEL model heater, route air
and fuel lines approximately as shown
in Figure 19.

Note:

 Hoses are not to be touching pho-

tocell bracket

6.

Replace side cover.

7.

Replace upper shell and fan guard (see
page 8).

Figure 22 - Air Hose to Barb FItting

Nozzle Face

Nozzle

Nozzle Seal

Nozzle Adapter

Air Line Fitting

Fuel Line Fitting

Nozzle/
Adapter
Assembly

Combustion
Chamber

Fuel Line Hose

Nozzle/
Adapter
Assembly

Combustion
Chamber

Photocell
Bracket

Air Line
Hose

Fuel Line
Hose

Nozzle/
Adapter
Assembly

Combustion
Chamber

Air Line
Hose

Photocell Bracket

Figure 17 - Removing Air and Fuel Line
Hoses (B35CEL and B70CEL Models
Only)

Fuel Line Hose

Nozzle/
Adapter
Assembly

Combustion
Chamber

Photocell
Bracket

Air Line
Hose

Barb Fitting

Air Hose

Pump End Cover

Nozzle
Adapter
Bracket

Nozzle Adapter
Bracket

Nozzle Adapter
Bracket

Summary of Contents for B100CEL

Page 1: ...ing start ing or servicing heater Improper use of heater can cause serious injury Keep this manual for future reference R Heater Sizes 35 000 70 000 100 000 150 000 Btu Hr Models B35CEL B70CEL B100CEL...

Page 2: ...ructure f All fuel storage shall be located a minimum of 762cm 25 feet from heaters torches welding equipment and similar sources of ignition exception the fuel reservoir integral with the heater unit...

Page 3: ...eck items for any shipping damage If heater is damaged promptly inform dealer where you bought heater FUELS WARNING Useonlykerosene or No 1 fuel oil to avoid risk of fire or explosion Never use gasoli...

Page 4: ...s Line up holes on fuel tank flange with holes on wheel sup port frame 4 Place front handle and rear handle on top of fuel tank flange Insert screws through handles fuel tank flange and wheel support...

Page 5: ...n chamber This air is heated and provides a stream of clean hot air The Ignition System The ignition control assembly provides power to the ignitor This ignites the fuel air mixture in the com bustion...

Page 6: ...lters page 10 See Fuel Filter page 8 See Fan page 13 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...

Page 7: ...6 Dirty photocell lens 7 Bad electrical connection between photocell and ignition control assembly 8 Defective photocell 9 Defective ignition control assembly TROUBLESHOOTING Continued FAULT CONDITION...

Page 8: ...lace side cover FUEL FILTER B100CEL and B150CEL Models 1 Remove side cover screws using 5 16 nut driver 2 Remove side cover 3 Pull upper fuel line off fuel filter neck 4 Carefully pry bushing lower fu...

Page 9: ...lacement CAUTION Donotbendorstrike ignitor element Handle with care 6 Remove combustion chamber Stand combustion chamber on end with nozzle adapter bracket on top see Fig ure 12 7 Remove ignitor screw...

Page 10: ...re Turn relief valve to right to increase pressure Turn relief valve to left to decrease pressure See specifications below for correct pres sure for each model 5 Remove pressure gauge Replace pres sur...

Page 11: ...dapter see Fig ure17 18 or19 andfromfuelfilter see page 8 If air line hose is damaged dis connect from nozzle adapter see Figure 17 18 or 19 and from barb fitting on pump end cover see Figure 22 5 Ins...

Page 12: ...ter end cover 11 Replace fan guard and upper shell 12 Adjust pump pressure see page 10 Note If rotor is still binding proceed as follows 13 Perform steps 1 through 6 above 14 Place fine grade sandpape...

Page 13: ...he ignition control assembly seeFigure30 Repeatthisfor the other four printed circuit board sup ports then remove the assembly CAUTION Ignition control assemblycontainselectrostatic components Handlet...

Page 14: ...9 1 9 3 9 4 9 5 17 18 19 20 21 22 23 24 26 27 28 29 30 34 35 36 32 33 9 6 15 14 31 42 41 43 40 38 37 39 25 ILLUSTRATED PARTS BREAKDOWN B35CEL MODEL Motor and Pump Assembly 12 11 12 18 12 17 12 16 12 1...

Page 15: ...4108 379 Steel Ball 1 4 Diameter 1 12 14 4109 708 Output Filter 1 12 15 4108 536 Screw 10 32 x 1 1 8 6 12 16 4100 661 Nylon Elbow 90 1 12 17 4101 666 Blade 4 12 18 4108 590 Screw 10 32 x 3 4 2 12 19...

Page 16: ...9 1 9 3 9 4 9 5 17 18 19 20 21 22 23 24 26 27 28 29 30 34 35 36 32 33 9 6 15 14 31 42 41 43 40 38 37 39 25 ILLUSTRATED PARTS BREAKDOWN B70CEL MODEL Motor and Pump Assembly 12 11 12 18 12 17 12 16 12 1...

Page 17: ...13 4108 379 Steel Ball 1 4 Diameter 1 12 14 4109 708 Output Filter 1 12 15 4108 528 Screw 10 32 x 1 6 12 16 4100 661 Nylon Elbow 90 1 12 17 4101 200 Blade 4 12 18 4108 588 Screw 10 32 x 5 8 2 12 19 41...

Page 18: ...28 20 22 21 30 31 17 14 14 35 36 32 26 13 18 5 4 6 7 8 7 2 7 1 7 5 7 4 7 3 7 6 43 42 41 33 34 37 40 39 44 38 29 ILLUSTRATED PARTS BREAKDOWN B100CEL MODEL Motor and Pump Assembly 10 1 10 2 10 3 10 4 1...

Page 19: ...trol Assymbly 1 PARTS LIST B100CEL Model 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...

Page 20: ...28 20 22 21 30 31 17 14 14 35 36 32 26 13 18 5 4 6 7 8 7 2 7 1 7 5 7 4 7 3 7 6 43 42 41 33 34 37 40 39 44 38 29 ILLUSTRATED PARTS BREAKDOWN B150CEL MODEL Motor and Pump Assembly 10 1 10 2 10 3 10 4 1...

Page 21: ...0 142 Ignition Control Assembly 1 PARTS LIST B150CEL Model This list contains replaceable parts used in your heater When ordering parts be sure to provide the correct model and serial numbers from the...

Page 22: ...AND HANDLES B100CEL AND B150CEL MODELS KEY PART PART NO NUMBER DESCRIPTION QTY 1 4110 077 Handles 2 2 4110 144 Screw 8 3 4110 078 Wheel Support Frame 1 4 4110 143 Hex Nut 8 5 4110 084 Wheel 2 1 6 4110...

Page 23: ...r Hr Gal Per Hr 1 1 28 1 97 52 3 0 79 4 1 1 1 Electric Requirements 230 V 50 Hz Same All Models Amperage Normal Run 8 1 0 1 2 1 2 Hot Air Output CMM CFM 4 140 6 4 225 12 425 14 2 500 RPM 1425 2850 285...

Page 24: ...portable and convenient For B35CEL and B70CEL models AIR GAUGE KIT 4109 427 For all models Special tool to check pump pressure STANDARD WHEELS AND HANDLE KIT 4103 930 Makes heater even more portable a...

Page 25: ...conform to the Machinery Directive 98 37 EC including 91 368 EEC and the Low Voltage Directive 73 23 EEC It is further declared that these models conform to the EMC Directive 89 336 EEC amended by 92...

Page 26: ...r this Warranty is expressly limited to repairing or replacing at DESA International s option any parts which appear to DESA Interna tional upon inspection to have been defective in material or workma...

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