Curtis Dyna-Fog BLACKHAWK 2620 Instruction Manual Download Page 19 | Manualshive

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MODEL 2620 & 2630 OPTIONAL FEATURE

As an additional feature, Curtis Dyna-Fog, Ltd. offers a kit that enables you to fog from a 30

or 55 U.S. gallon drum for large area fogging applications.

86739 Model 2630 Mister III

86708 Model 2620 Blackhawk

Kit Part Number Description

MODEL 2620 BLACKHAWK SHOWN CONNECTED TO A 55 GALLON DRUM

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Summary of Contents for BLACKHAWK 2620

Page 1: ...MODEL 2620 2630 INSTRUCTION MANUAL FOR OPERATION SERVICE AND MAINTENANCE ...

Page 2: ...atent Office INSECTICIDAL FOG GENERATOR U S PATENTS 2 715 390 2 738 334 2 857 332 2 950 592 2 970 430 3 052 094 4 030 695 3 151 454 4 343 719 4 811 901 4 934 601 Canadian Patent 762 939 German Patent 31 48 522 Japanese Patent 1 587 278 Other U S and Foreign Patents Pending Manufactured By CURTIS DYNA FOG LTD P O BOX 297 Westfield Indiana U S A 2 ...

Page 3: ... ENGINE DISCHARGE EXHAUST TUBE AFTER EVERY EIGHT HOURS OPERATIONION CLEAN THE FORMULATION FILTER CLEAN THE ENGINE NECK AFTER EVERY TWELVE HOURS OPERATION CLEAN FORMULATION INJECTION NOZZLE CHECK THE FUEL FILTER BATTERIES CARBURETOR IDLE NEEDLE ADJUSTMENT CARBURETOR SYSTEMS DIAGRAM CARBURETOR ADJUSTMENT ADJUSTING THE FUEL NEEDLE ADJUSTING THE METERING LEVER CARBURETOR ASSEMBLY DIAGRAM TROUBLESHOOTI...

Page 4: ... L x W x H 70 x 18 x 18 In 177 8 x 45 7 x 45 7 Cm Weight 66 Lbs 30 Kg Volume 13 1 Cu Ft 0 36 Cu M MISTER III SPECIFICATIONS Model Number 2630 Type Thermal aerosol fog resonant pulse principle Formulation Output 0 12 U S Gal Hr 0 45 4 Liters Hr Engine Performance 44 HP Hr 33Kw Hr 28 300 Kcal Hr Fuel Consumption 0 6 U S Gal Hr 2 3 Liters Hr Weight Empty 39 Lbs 17 7 Kg Weight Full 72 Lbs 32 7 Kg Fuel...

Page 5: ...amber driving the gases out the engine tube The negative pressure created by the gas flow out the engine tube causes the intake valves to open allowing more air to pass through the venture of the carburetor The air passing through the carburetor aspirates fuel from the carburetor in a combustible mixture This mixture is ignited again and the cycle is repeated The frequency of repeated explosions i...

Page 6: ...ary accumulations of oil particles on objects within the fogging area To avoid danger of fire or explosion in a closed space the enclosed volume fogging time and required formulation volume must be carefully calculated Model 2630 This machine is intended for dispensing water based formulations only Use of formulations having a flammable base such as diesel oil kerosene fuel oil gasoline benzene or...

Page 7: ...tion There is no substitute for good maintenance practices An engine with excessive carbon deposits will run weakly and is likely to stop at any time A weak running engine will also emit extremely wet fog at lower rates of formulation flow and this can result in surfaces rapidly becoming coated with the formulation and thus help to feed a fire if ignition takes place as described above Refer to th...

Page 8: ...ank Cap on the fuel Tank and turn the cap firmly in the clockwise CW direction until the stop is reached 4 Wipe any spilled gasoline from the machine and allow time for any unseen spills to evaporate CAUTION Do not put any formulation in the machine until you have become familiar with starting and stopping the pulse jet engine ENGINE OPERATION CAUTION Read the complete OPERATION section and the se...

Page 9: ... bulb COLD START Applies after the engine has been started initially has been stopped before running out of fuel and has been allowed to cool Under these conditions very little actuation of the priming pump is required as some fuel will usually remain in the carburetor One actuation of the priming pump is usually sufficient under these conditions HOT START Applies after the engine has been started...

Page 10: ...ly depressing the primer bulb will flood the engine WARNING FLOODING MAY RESULT IN A LOUD EXPLOSIVE SOUND AND CAUSE SOME SMALL AMOUNT OF FLAME TO BE EMITTED FROM THE DISCHARGE EXHAUST END OF THE ENGINE CAUTION If flame emits from the discharge exhaust end of the engine tube the engine is flooded STOP See the following page on STARTING A FLOODED ENGINE 5 Simultaneously press and hold the Ignition a...

Page 11: ... and the fog will appear no different from an efficient and well formulated compound but the killing power will be lacking It requires insecticide to kill insects Improperly compounded formulations can promptly drop out of solution in the formulation system and give poor results Your distributor is usually qualified to make recommendations and to furnish properly formulated insecticides but if you...

Page 12: ...ine in this Manual When beginning to fog with the 2630 liquids or mixtures of liquid and powder are forced to the injection point by air pressure in the Formulation Tank At the injection point the liquid is sprayed at a right angle to the flow of air from the Pulse Jet Engine As the liquid emerges from the Spray Tube it is sheared into droplets by the air flow These droplets are further reduced in...

Page 13: ...Determine the volume of the enclosed space to be fogged in cubic feet or cubic meters as applicable Read the formulation label and determine the normal usage rate of the formulation This usually varies from 1 fluid ounce oz per 1000 cubic feet approximately 100 milliliters per 100 cubic meters to 1 ounce per 3000 cubic feet approximately 100 milliliters per 300 cubic meters 2 Determine the Formula...

Page 14: ...el and the volume of space to be fogged the formulation volume and fogging time can be calculated as shown below STEP 2 The normal required formulation volume is 1 3 ounces 3900 cu ft x 1 oz 3000 cu ft STEP 3 The normal time to fog 1 3 ounces is Where t normal time to fog and 10 oz is the average machine flow rate to achieve a dry fog 1 3 oz x 10 oz t seconds 60 seconds t seconds 60 seconds 1 3 oz...

Page 15: ...lume of Enclosed Space Cu Ft Cu meters 1000 30 2000 60 3000 90 5000 140 10000 280 20000 560 30000 840 40000 1120 50000 1400 Average Flow Rate to achieve DRY Fog Oz Min MI Min 10 296 10 296 11 296 11 296 11 296 11 296 10 296 10 296 Fogging Time Seconds 2 4 6 10 20 40 60 80 100 TABLE 2 This flow rate is an average Your actual flow rate required to produce a dry fog may vary depending on the viscosit...

Page 16: ... SECONDS FOR EACH 1000 CUBIC FEET 28 CUBIC METERS OF ENCLOSED SPACE WITH YOUR MACHINE SET AT MAXIMUM OUTPUT MODEL 2620 ONLY EXTINGUISH ALL OIL AND GAS PILOT LIGHTS AND TURN OFF ALL ELECTRICAL POWER IN A CLOSED AREA BEFORE FOGGING DO NOT FOG NEAR AN OPEN FLAME OR HOT MATERIALS THIS INCLUDES LIGHTED MATCHES CIGARETTES ETC DO NOT WEDGE OR BLOCK OPEN THE FORMULATION ON OFF BUTTON OR LEAVE THE MACHINE ...

Page 17: ...stics of the engine These flow rates are based on a formulation having the same viscosity as ordinary tap water 1 centipoise CAUTION When it is intended to fog in a closed area the operator should first test the fog to verify that it is dry before entering the closed area To test the fog quality pass a dark piece of paper or a shiny object through the fog at a distance of approximately 24 inches 6...

Page 18: ...ped by rotating the 3 way selector valve lever to the fog and purge positions As a safety feature the model 2620 Blackhawk is equipped with an automatic formulation shut off valve If the machine stops running for any reason including running out of fuel the shut off valve will instantly close preventing formulation from being forced into the engine tube by the air pressure in the formulation tank ...

Page 19: ...is Dyna Fog Ltd offers a kit that enables you to fog from a 30 or 55 U S gallon drum for large area fogging applications 86739 Model 2630 Mister III 86708 Model 2620 Blackhawk Kit Part Number Description MODEL 2620 BLACKHAWK SHOWN CONNECTED TO A 55 GALLON DRUM 19 ...

Page 20: ...ial dangers involved Do not store formulations in unmarked or otherwise improper containers Do not re use empty formulation containers for other purposes Dispose of empty formulation containers in accordance with the formulation label instructions Because the machine may still have gasoline in its tank the machine should be stored between uses under conditions applicable to gasoline containers gen...

Page 21: ...l the liquid in the tank CAUTION Store the formulation properly See the cautions under clean up AFTER EVERY FOUR 4 HOURS OPERATION 1 Using the Cleanout Tool provided insert the brush end into the engine discharge exhaust tube and rotate it clockwise CW as you push the tool into the tube as far as the handle permits FIGURE 2 2 Continue rotating the tool in the same direction and pull back and remov...

Page 22: ...TELY RESULT IN HARD STARTING AND POOR PERFORMANCE EXAMINE THE SPARK PLUG In general the only time the spark plug goes bad is if the white porcelain becomes cracked or broken Occasionally carbon will form on the electrodes When this happens rub the carbon off with a piece of steel wool The spark plug is gapped at 0 060 or slightly less than the thickness of a United States nickel Always install the...

Page 23: ...shed for the replacement of the D size batteries but the spark intensity should be checked whenever the machine does not function normally See the section on TROUBLE ISOLATION AND CORRECTION concerning the testing of the electronic ignition The nominal voltage of fully charged batteries should be at least 12 volts D C This voltage will vary slightly with battery age and with the ambient temperatur...

Page 24: ...24 ...

Page 25: ...han the carburetor For example if the engine dies or runs rough carbon build up in the engine neck will often be found to be the cause Scheduled cleaning as detailed in MAINTENANCE will eliminate this cause IDLE NEEDLE ADJUSTMENT NOTE Read the entire CARBURETOR section before performing the idle needle adjustment 1 Drain any formulation remaining in the Formulation Tank 2 Add approximately 1 quart...

Page 26: ...zle Well Fuel is drawn in from Metering Chamber at high speed 16 Nozzle Increases fuel discharge at high speed 17 Venturi Increases air velocity at Nozzle creating a suction to draw fuel into Throttle bore 18 Priming Pump Used to supply fuel to antechamber for starting 1 Engine Impulse Actuates Fuel Pump Diaphragm alternating pressure vacuum pulses 2 Fuel Pump Diaphragm Fluctuates in response to e...

Page 27: ...hragm allowing the spring under the Metering Lever to push out on the lever closing the Inlet Needle Valve When the air flowing through the Venturi draws gasoline from the Metering Chamber the Metering Diaphragm moves in pressing in the Metering Lever and opening the Inlet Needle Valve thereby allowing the Metering Chamber to fill with gasoline again When the engine is not running vacuum is not cr...

Page 28: ...rburetor An out of adjustment Carburetor will cause the following symptoms Note that all of these can also be caused by a weak battery and or carbon build up Symptom 1 Machine is hard to start too much gasoline Cause 1 Inlet Needle Valve wedged open 2 Fuel Needle set too far open 3 Metering Lever set too far out Symptom 2 Machine is hard to start not enough gasoline Cause 1 Carburetor is clogged 2...

Page 29: ... flame may exit the engine discharge NOTE A Pulse Jet Engine which has lean fuel air mixture will not carry fog A Pulse Jet Engine if running rich will run rough or sputter frequently WARNING WHEN ADJUSTING THE FUEL NEEDLE DO NOT TOUCH THE ENGINE HOUSING THE HOUSING HEATS UP QUICKLY TO A TEMPERATURE WHICH CAN CAUSE SERIOUS BURNS IF TOUCHED 3 Using a small regular tip screwdriver slowly rotate the ...

Page 30: ...ting too much gasoline A Metering Lever set too low will decrease the volume of gasoline held in the Metering Chamber This will force the Fuel Needle to be set more than 1 turn from STOP to compensate for less gasoline in the Metering Chamber A Metering Lever set too far out will increase the volume of gasoline held in the Metering Chamber This will force the Fuel Needle to be set at less than 3 4...

Page 31: ...uretor Ring Throttle Retainer Cover Metering Diaphragm Cover Fuel Pump Shaft Assembly Throttle Valve Throttle Valve Inlet Needle Gasket Fuel Pump Gasket Circuit Plate Gasket Metering Diaphragm Diaphragm Fuel Pump Diaphragm Assembly Metering Screw Throttle Valve Screw Metering Lever Pin Screw Circuit Plate Screw Assembly Metering Cover Throttle Clip Screw Pump Cover Spring High Speed Needle Spring ...

Page 32: ...de gap correct Refer to the MAINTENANCE section 6 Remove the spark plug to see if gasoline reaches the spark plug If the spark plug is not wet then gasoline is not reaching the spark plug Symptom There is no spark when the Ignition Switch is pressed Check 1 The batteries may be too weak Remember batteries will go dead over a period of time whether they are used or not used 2 Examine the wiring for...

Page 33: ...ly counterclockwise to STOP If not adjust linkage See page 22 2 Is there a carbon build up Check by looking with a flashlight Refer to the MAINTENANCE section 3 Is there an air leak at the bottom of the Carburetion Assembly 4 Is the Fuel Needle out of adjustment causing the machine to run weak See the CARBURETOR section 5 Is the gasoline bad or dirty 6 Are there large amounts of air in the gasolin...

Page 34: ...D MISTER III PATENTS United States 2 857 332 2 738 334 2 950 592 2 970 430 4 934 601 3 052 094 3 151 454 4 030 695 4 343 719 4 811 901 7 798 474 8 006 959 8 123 198 Canada 762 939 Germany 31 48 522 Japan 1 587 278 South Korea 150 200 Other Patents Pending 34 ...

Page 35: ...620 2 AND 2630 3 BLACKHAWK AND MISTER III PATENTS United States 2 715 390 2 738 334 2 857 332 2 950 959 2 970 430 3 052 094 4 030 695 3 151 454 4 343 719 4 811 901 4 934 601 Canada 762 939 Other U S and Foreign Patents Pending 35 ...

Page 36: ...d the Fuel Tank Cap Then PUMP repeatedly with the IGNITION SWITCH held on until no further firing occurs and no further fuel is observed in the Antechamber of the engine This will clear out any fuel left in the lines or in the Fuel Valve 3 Remove the Battery from the battery container and store the Battery in a cool dry place 4 Store the machine in a cool dry place and if the original carton is no...

Page 37: ...RTS LIST MODEL 2620 BLACKHAWK REF CURTIS NO PART NO DESCRIPTION 1 86594 Guard engine wire 2 86589 Grip handle 3 86590 Grip handle long 4 86667 1 Cover Ay 2620 Carburetor 5 53010 Duct Ay long air 6 53003 Engine Tube Ay 2620 37 ...

Page 38: ...tinued REF CURTIS NO PART NO DESCRIPTION 1 86617 Injection Line formulation 2 86563 Bracket 3 way valve 3 86196 Valve 3 way 4 See table 3 page 14 5 51057 Adapter 6 22141 Spring 7 85742 Nipple 1 8 hex pipe 8 53131 Washer 1 8 FP 1 8 MP 38 ...

Page 39: ...FIGURE 13 1 86671 Line Ay Tank Trap includes check valve 2 86581 Shield Heat 3 86608 Bracket valve mounting 4 29597 4 Trap AY Fuel Modified 22184 Tee male run 5 86614 Tube trap valve 6 86664 Tube valve outlet 7 145463 Nut 1 4 tube 8 114628 Sleeve 1 4 tube 9 58239 Insert 1 4 tube 10 441703 Union 1 4T 1 4T 11 58212 13 Tube nylon 39 ...

Page 40: ... BLACKHAWK continued 1 86747 Cap insert Ay 2 86611 Tube pressurizing 3 86644 Tank Ay fuel 86646 1 Tank fuel 86646 2 Cap fuel tank 53132 Connector 1 4T barb 86648 Standpipe fuel 10105 Connecter standpipe 74288 Nut 1 8 P lock 4 86231 1 Tank formulation 5 86672 Line Ay tank asov 40 ...

Page 41: ...0 BLACKHAWK continued REF CURTIS NO PART NO DESCRIPTION FIGURE 15 1 86578 Guard short air duct 2 32809 4 Insulator 3 86633 Strap duct mounting 4 86649 Duct Ay Short air 5 58284 Foot rubber 6 86635 Line Ay diaphragm pressure 7 22185 Pressurization Ay 8 86665 Line antechamber valve 41 ...

Page 42: ...Disk backup 6 86625 Stem shutoff 7 86556 Knob phenolic 8 86170 Ring retaining 9 85522 Nut 3 4 16 Jam 10 86628 Housing diaphragm guide 11 86627 Plate Ay diaphragm backup 12 85748 Elbow 1 8P 1 4T 13 86555 Diaphragm pre convoluted 14 86607 Pin Plate ay 15 86559 Spring 16 85748 Elbow 1 8P 1 4T 17 86609 Valve Body 18 21170 Connector 1 8P 3 8T 19 86672 Line Ay Tank Cap Valve 42 ...

Page 43: ...NO PART NO DESCRIPTION FIGURE 17 1 86616 Wire guard engine 2 86589 Grip handle 3 86590 Grip handle long 4 86231 1 Tank formulation 5 86667 2 Cover Ay carburetor 6 86646 1 Tank fuel 86646 2 Cap fuel tank 7 21116 Duct Ay Long air 8 21117 Engine Tube Ay 2630 43 ...

Page 44: ... 12 86629 ASOV Assembly 12 ...

Page 45: ...0 cont d FIGURE 20 MODEL 2620 AND 2630 COMMON PARTS REPLACEMENT PARTS LIST MODEL 2630 MISTER III REF CURTIS NO PART NO DESCRIPTION FIGURE 19 1 21116 Duct Ay Long air 2 22223 Spray tube 3 86701 Tube extension 4 58212 7 Tube vinyl 45 ...

Page 46: ...RT NO DESCRIPTION 1 58272 1 Knob Ay control 2 53123 3 Edging 3 58609 Switch ignition air 4 58534 Primer Bulb Ay 5 86669 Line Ay fuel 6 86654 Enclosure Ay pump 7 58655 Switch 3 position 8 86655 Holder Ay battery 9 86600 Cover battery box 10 86595 1 2620 Wire Form container 86595 2 2630 Wire Form container 11 86618 Valve Pressurizing Assembly 46 ...

Page 47: ...TS LIST MODEL 2620 AND 2630 continued REF CURTIS NO PART NO DESCRIPTION FIGURE 21 1 86601 Specify model Cover pump 2 86659 Coil Ay 12 volt 3 58570 Bracket coil mounting 5 86683 Enclosure pump 6 58517 1 Pump Ay air 47 ...

Page 48: ...Figure 43 43 ...

Page 49: ...Cap insert 3 1 G 443986 Nipple hex 4 1 B 62554 6 Elbow CL 1 4FP 1 4T 5 1 B 21010 Cap container 6 1 A 22232 Gasket viton 7 1 A 43308 2 Screw bleed 033 8 1 B 10100 8 O Ring 9 2 G 441685 Connector 1 8P 1 4T 10 1 G 145463 Nut 1 4T 11 1 G 114628 Sleeve 1 4T 13 1 A 22244 1 Standpipe formulation 14 1 B 62550 1 Nut steel gripper 1 4T 15 1 A 62573 1 Connector male mod 16 1 A 86643 Filter 1 4 NPT 49 ...

Page 50: ...9 1 A 45744 Nut compr 3 8T 10 1 A 45745 Sleeve 3 8 brass 11 1 A 48116 Insert brass 3 8T 12 1 B 86731 1 Tube upper press 13 2 A 21170 Connector 1 8 3 8T 14 1 A 22232 Gasket viton 15 1 B 43290 Cap Insert 16 1 B 62582 3 Nut 3 8 plst grip 17 1 G 145463 Nut 1 4T 18 1 G 114628 Sleeve 1 4T 19 1 G 441685 Connector 1 8P 1 4T 20 1 A 86706 1 Adaptor 1 4 1 4T 21 1 B 58212 9 Tubing 22 1 A 86190 Union Tee 1 4TU...

Page 51: ...EQUIPMENT OPTIONS P N 58672 RECHARGEABLE 12 VOLT BATTERY P N 6711 2 P N 6711 1 30 OR 55 GALLON DRUM ATTACHMENT KIT SEE PAGE 19 51 ...

Page 52: ...REPLACEMENT PARTS LIST FIGURE 25 REF CURTIS NO PART NO DESCRIPTION 1 85574 Strap carry 2 86226 Pad strap 52 ...

Page 53: ...IR 47 FORMULATION 22 48 FUEL 23 31 45 FOGGING 12 18 GASOLINE 8 MAINTENANCE 21 24 ORIFICE INJECTION 17 23 PARTS REPLACEMENT 36 51 PUMP AIR STARTING 47 FUEL CARBURETOR 26 28 SAFETY PRECAUTIONS 6 SPARK PLUG 22 47 SPECIFICATIONS MACHINE 4 STORAGE AND SHIPMENT 35 SWITCH AIR 45 IGNITION 45 SELECTOR POWER 24 45 TANK CAPACITY FUEL 4 FORMULATION 4 TROUBLE SHOOTING GUIDE 32 33 53 ...

Page 54: ..._________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ HELPFUL CONVERSIONS TO CONVERT INTO MULTIPLY BY 29 57 Ounces Milliliters Milliliters 034 Ounces U S Gallons 3 79 Liters Liters 26 U S Gallons Pounds 45 Kilograms Kilograms 2 2 Po...

Page 55: ...s with 1 3 gallon tanks available in 115 and 230 VAC COMBUSTION ENGINE DRIVEN ULV AEROSOL GENERATORS Truck mounted Units powered by 8 9 11 18 and 20 HP four cycle OHV Gasoline Engines Diesel versions also available One two four and eight nozzle configurations Patented full remote control of boom functions rotation of turntable and angle of nozzles available on certain models Your choice of Gear Pi...

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