Curtis Dyna-Fog Series 3 Instruction Manual
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Curtis Dyna-Fog Series 3 Instruction Manual

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MODEL 2620/2630
INSTRUCTION MANUAL FOR
Operation, SERVICE AND MAINTENANCE

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  • Page 1 MODEL 2620/2630 INSTRUCTION MANUAL FOR OPERATION, SERVICE AND MAINTENANCE...
  • Page 2 INSTRUCTION MANUAL OPERATION, SERVICE AND MAINTENANCE BLACKHAWK Model 2620, Series 2 MISTER III Model 2630, Series 3 Trade-mark Reg. U.S. Patent 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...
  • Page 3 TABLE OF CONTENTS SPECIFICATIONS……………………………………………………………………… TO THE NEW OWNER………………………………………………………………… CORRESPONDENCE…………………………………………………………………. DESCRIPTION…………………………………………………………………………. WORKING PRINCIPLE……………………………………………………………….. SAFETY PRECAUTIONS…………………………………………………………….. OPERATION……………………………………………………………………………. 8-20 PREPARING THE ENGINE FOR OPERATION……………………………. ENGINE OPERATION…………………………………………………………. STARTING THE ENGINE……………………………………………………... STARTING A FLOODED ENGINE…………………………………………… STOPPING THE ENGINE…………………………………………………….. SELECTING A FORMULATION (2620)……………………………………... SELECTING A FORMULATION (2630)……………………………………… FOGGING FOR INSECT CONTROL…………………………………………...

  • Page 4: Specifications

    SPECIFICATIONS BLACKHAWK SPECIFICATIONS Model Number 2620 Type………………………….thermal aerosol fog, resonant pulse principle Formulation Output………. 0-18 U.S. Gal/Hr. ………....0-68.4 liters /Hr. Engine Performance………………44 HP/Hr. …... 33 Kw/hr…... 8,300 Kcal/Hr. Fuel Consumption……….. 0.6 U.S. Gal/Hr …………....2.3 Liters/Hr. Weight (Empty)……………………. 41 Lbs. …………....………..18.6 Kg. Weight (Full)………………………...
  • Page 5 TO THE NEW OWNER ® Your new DYNA-FOG applicator represents one of the world’s finest insecticide fog generators. With reasonable care and maintenance, this machine will provide many hours of trouble-free service. For best results, this fog generator must be operated and maintained in compliance with these instructions.

  • Page 6: Safety Precautions

    SAFETY PRECAUTIONS WARNING READ AND UNDERSTAND THESE SAFETY PRECAUTIONS BEFORE OPERATING MACHINE. 1. Fuel. This machine uses GASOLINE as the fuel and all precautions commonly applying to this volatile fuel should be observed. Be careful not to spill gasoline over the machine, but if this occurs, wipe it off and allow evaporation time before starting the machine.
  • Page 7 On a dry fog setting, which must always be employed indoors and in confined areas, the ignition source must be continuous since the fog will not continue torching except briefly if the ignition source is removed. On a wet fog setting, it is possible for the fog to continue to torch after removal form the ignition source.
  • Page 8 OPERATION CAUTION Read this compete OPERATION Section and the Section on SAFETY PRECAUTIONS before starting the machine for the first time. PREPARING THE ENGINE FOR OPERATION 1. When operating this machine for the first time, move to an un-congested and well-ventilated work area in an open area away from flammable materials.
  • Page 9 NOTE The method used for starting the engine will vary slightly depending on previous conditions of the machine. Regardless of which of the following conditions exist, the ignition switch must be depressed to restart the engine. DRY START: (Applies when the machine is first placed in service; when the machine has been allowed to run completely out of fuel;...
  • Page 10 STARTING THE ENGINE 1. Verify that the 3-way valve has been rotated to the purge position. 2. Lift the ON/OFF Control and place it in the “ON” position. WARNING DO NOT LEAVE THE MACHINE UNATTENDED WITH THE ON/OFF CONTROL IN THE ON POSITION, ESPECIALLY IF THE MACHINE HAS BEEN RUNNING.
  • Page 11 STARTING A FLOODED ENGINE 1. Verify that the 3-way selector valve has been rotated to the purge position. 2. Lift the ON-OFF Control and place it in the ON position. 3. Simultaneously depress the “ignition” and “air’ switches. 4. If the engine has not started within approximately 40 seconds, repeat steps 4,5, and 6 of starting instructions on page 10.
  • Page 12 FOGGING FOR INSECT CONTROL CAUTION Before placing any formulation in the Formulation Tank, the operator should be thoroughly familiar with starting and stopping the pulse jet engine. If you are operating the machine for the first time, start and stop the engine a few times. This is also a good idea for experienced operators who may be operating a new machine or who may be reactivating an old machine after repairs or after a period of inactivity.
  • Page 13 CALCULATING FOGGING TIME AND FORMULATION VOLUME USING YOUR MODEL 2620 BLACKHAWK FOGGING WITHIN ENCLOSED SPACES: When intending to fog within enclosed spaces such as buildings, crawl spaces, and spaces between ceiling and roof, “dry” fog must be used. The enclosed space volume, formulation volume, and fogging time must be carefully calculated to avoid over-fogging.
  • Page 14 Example: (Using English System Units) STEP 1: Let’s assume the attic space on the previous page has a base (W) of 26 feet, and a height (H) of 7 feet and a length (L) of 43 feet. The volume (V) may be determined as: V=26 x 7 x 43 = 3913 = 3900 cubic feet Let’s also assume that the formulation label specifies a normal usage rate of 1 ounce per 3000 cubic feet.
  • Page 15 THESE TABLES APPLY TO THE MODEL 2620 ONLY: ENCLOSED SPACE VOLUME VS FORMULATION VOLUME AND FOGGING TIME Based on formulation label application rate of: 1 fluid ounce (oz) per 1000 cubic feet (cu. Ft) 100 milliliters (ml) per 100 cubic meters (cu. m) Average Flow Rate* to Volume of Enclosed Space Fogging Time...
  • Page 16 DISPENSING FOG Model 2620 Blackhawk and Model 2630 Mister III NOTE It is a good idea to put only as much formulation in the tank as is necessary to do a particular job. Thus, the formulation tank will be empty when the fogging job is finished. The Formulation Tank must be air tight for the machine to operate properly.
  • Page 17 DO NOT FOG INTO THE WIND. DO NOT LEAVE THE FOG CONTINUOUSLY DIRECTED AT THE SAME AREA OR OBJECT. THIS MAY CAUSE A BUILD-UP OF A FLAMMABLE SUBSTANCE OR LEAVE UNDESIRABLE DEPOSITS ON WALLS, FURNITURE, ETC. The formulation output of your machine is controlled by the injection orifice you choose to install at the injection point of the engine tube.
  • Page 18 START FOGGING 1. Start the engine as specified in the section STARTING THE ENGINE. 2. Verify that the formulation Tank Cap is tight. 3. When the engine is running smooth: Model 2620 – (1) Pull open the automatic shutoff - valve stem. (2) Rotate the 3-way selector valve lever to the fog position.
  • Page 19 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. Kit Part Number Description 86708 Model 2620 Blackhawk...
  • Page 20 CLEANUP 1. Drain any unused Formulation from the tank into its original container for proper storage. NOTE Many formulations will release residue that can settle in the formulation tank. If this residue is left to collect in the Formulation Tank, it will eventually be carried through the formulation system forming sludge in the system.
  • Page 21 MAINTENANCE NOTE A successful maintenance program begins after the first use of the machine and not after the machine has ceased to function. FLUSH FORMULATION SYSTEM ALL CAUTIONS AND WARNINGS APPLICABLE TO OPERATION AND FOGGING ARE APPLICABLE TO THIS FLUSHING PROCEDURE. MODEL 2620 BLACKHAWK 1.
  • Page 22 AFTER EVERY EIGHT (8) HOURS OPERATION *CLEAN THE FORMULATION FILTER 1. Remove the FORMULATION FILTER and clean it with detergent and water. FIGURE 3 MODEL 2620 CAP ASSEMBLY 2. If the filter has deposits that soap and water will not remove, clean the filter using automotive carburetor cleaner.
  • Page 23 AFTER EVERY TWELVE (12) HOURS OF OPERATION *CLEAN THE FORMULATION INJECTION ORIFICE 1. For the Model 2620, disconnect the formulation-injection-line (Fig. 12, Ref. 1) at the injection end and remove the elbow assembly. For the Model 2630, disconnect the flexible tubing from the bottom fitting of the 3-way selector valve and remove the elbow assembly.
  • Page 25 *CARBURETOR The Carburetor on this machine does not need frequent adjustment or servicing. (However, a change in air density will have an affect on the carburetor setting. Altitude, atmospheric pressure, and temperature, all interact to affect air density. A “rule of thumb” is: as temperature decreases, the amount of fuel needed for the engine to operate increases.) Careful attention to putting only clean gasoline in the machine will significantly reduce trouble with the Carburetor.
  • Page 26 CARBURETOR NOTE This section outlines the operating systems in the Carburetor. Refer to “The Starting System Diagram” and the “Carburetor System Diagram” for a pictorial representation of all systems and names. The end of this section contains procedures for all possible Carburetor adjustments. (See Pages 25 &...
  • Page 27 The purpose of the Carburetor is to supply a combustible mixture of fuel and air to the Pulse Jet Engines. The Carburetor uses four systems to create this mixture. These systems are: 1. A Venturi 2. A Metering Chamber 3. A Fuel Pump 4.
  • Page 28 Carburetor – Pump Chamber Side CARBURETOR ADJUSTMENT NOTE ® If clean fresh gasoline with Dyna-Fog Fuel Stabilizer additive is used, the Carburetor will almost never require servicing. Usually most operational problems involve carbon build-up, weak spark, or excessive priming, causing the engine to flood. All of these possibilities should be checked before working on the Carburetor.
  • Page 29 ADJUSTING THE FUEL NEEDLE The engine must be running in order to adjust the Fuel Needle. If the engine will not run and the Fuel Needle is set between 1⁄2 - 1 turn out, the Fuel Needle setting is not likely to be the problem. If the engine will not run and the Fuel Needle is not set between 1⁄2 - 1 turn out, set the Needle to this setting.
  • Page 30 ADJUSTING THE METERING LEVER The Metering Lever setting affects how easy the machine is to start. When the Metering Lever is properly set, it allows the proper amount of gasoline to flow through the Carburetor for starting. However, if the Metering Lever is not set properly, the Metering Diaphragm may push too far or too little on the Metering Lever allowing too much or too little gasoline into the engine.
  • Page 31 To clean the CARBURETOR filter, proceed as follows: Remove the plate, pump diaphragm, and gaskets from the Carburetor. See diagram and illustrations. 2. Gently remove the filter screen taking care not to deform or spread the wire mesh. 3. Clean the screen in fresh gasoline. 4.

  • Page 32: Trouble Shooting

    TROUBLE SHOOTING Reduction of trouble begins with the performance of the prescribed maintenance actions. All maintenance actions should be performed before using this procedure. See the Systems Diagram (Page 34) for a schematic presentation of machine operation. Symptom: The engine will not start. Check: The On-Off Control setting could be out of adjustment preventing starting air from reaching the engine.
  • Page 33 6. The Inlet Needle Valve may be stuck in its seat. This frequently occurs when stale gasoline is used, or when the machine is left setting for long periods of time. To solve this problem the Metering Diaphragm Cover and Metering Diaphragm may have to be removed and the Inlet Needle Valve manually broken loose.
  • Page 34 SYSTEM DIAGRAM FOR MODELS 2620/2 AND 2630/3 BLACKHAWK AND 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...
  • Page 35 SYSTEM DIAGRAM FOR MODELS 2620/2 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...

  • Page 36: Storage And Shipment

    STORAGE AND SHIPMENT NOTE It is a good idea to retain the original machine shipping carton as well as its inner packing and blocking materials for any storage and shipment which may be required. If the machine is functional, flush the formulation system in accordance with the instructions under MAINTENANCE.
  • Page 37 FIGURE 11 REPLACEMENT PARTS LIST MODEL 2620 BLACKHAWK REF. CURTIS PART NO. DESCRIPTION 86594 Guard, engine wire 86589 Grip, handle 86590 Grip, handle (long) 86667-1 Cover Ay., 2620 Carburetor 53010 Duct Ay., long air 53003 Engine Tube Ay., (2620)
  • Page 38 FIGURE 12 / MODEL 2620 BLACKHAWK (continued) REF. CURTIS PART NO. DESCRIPTION 86617 Injection Line, formulation 86563 Bracket, 3-way valve 86196 Valve, 3-way See table 3, page 14 51057 Adapter 22141 Spring 85742 Nipple, 1/8 hex. pipe 53131 Washer, 1/8 FP-1/8 MP...
  • Page 39 PARTS IDENTIFICATION MODEL 2620 (CONTINUED) REPLACEMENT PARTS LIST MODEL 2620 BLACKHAWK (continued) REF. CURTIS PART NO. DESCRIPTION FIGURE 13 86671 Line Ay., Tank/Trap (includes check-valve) 86581 Shield, Heat 86608 Bracket, valve mounting 29597-4 Trap AY., Fuel (Modified) 22184 Tee, male run 86614 Tube, trap/valve 86664...
  • Page 40 REPLACEMENT PARTS LIST REF. CURTIS PART NO. DESCRIPTION FIGURE 14 / MODEL 2620 BLACKHAWK (continued) 86747 Cap/insert Ay. 86611 Tube, pressurizing 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 86231-1...
  • Page 41 PARTS IDENTIFICATION MODEL 2620 (cont’d.) FIGURE 15 REPLACEMENT PARTS LIST MODEL 2620 BLACKHAWK (continued) REF. CURTIS PART NO. DESCRIPTION FIGURE 15 86578 Guard, short air duct 32809-4 Insulator 86633 Strap, duct mounting 86649 Duct Ay., Short air 58284 Foot, rubber 86635 Line Ay., diaphragm pressure 22185...
  • Page 42 REF. CURTIS PART NO. DESCRIPTION FIGURE 16 / MODEL 2620 BLACKHAWK (continued) 10100-7 O’ring, viton 10100-9 O’ring, viton 86583 Spring 86622 Plate, valve mounting 86172 Disk, backup 86625 Stem, shutoff 86556 Knob, phenolic 86170 Ring, retaining 85522 Nut, 3/4-16 Jam 86628 Housing, diaphragm/guide 86627...
  • Page 43 REPLACEMENT PARTS LIST MODEL 2630 MISTER III REF. CURTIS PART NO. DESCRIPTION FIGURE 17 86616 Wire-guard, engine 86589 Grip, handle 86590 Grip, handle, (long) 86231-1 Tank, formulation 86667-2 Cover Ay., carburetor 86646-1 Tank, fuel 86646-2 Cap, fuel tank 21116 Duct Ay.,Long air 21117 Engine Tube Ay., (2630)
  • Page 44                                         ...
  • Page 45 PARTS IDENTIFICATION MODEL 2630 (cont’d.) FIGURE 20 MODEL 2620 AND 2630 COMMON PARTS REPLACEMENT PARTS LIST MODEL 2630 MISTER III REF. CURTIS PART NO. DESCRIPTION FIGURE 19 21116 Duct Ay., Long air 22223 Spray tube 86701 Tube, extension 58212-7 Tube, vinyl...
  • Page 46 PARTS IDENTIFICATION MODEL 2630 (cont’d.) FIGURE 20 MODEL 2620 AND 2630 COMMON PARTS REPLACEMENT PARTS LIST MODEL 2630 MISTER III REF. CURTIS PART NO. DESCRIPTION 58272-1 Knob Ay., control 53123-3 Edging 58609 Switch, (ignition, air) 58534 Primer Bulb Ay. 86669 Line Ay., fuel 86654 Enclosure Ay., pump...
  • Page 47 REPLACEMENT PARTS LIST MODEL 2620 AND 2630 (continued) REF. CURTIS PART NO. DESCRIPTION FIGURE 21 86601 (Specify model #) Cover, pump 86659 Coil Ay., 12 volt 58570 Bracket, coil mounting 86683 Enclosure, pump 58517-1 Pump Ay., air...
  • Page 48 Figure 43...
  • Page 49 MODEL 2620 AND 2630 COMMON PARTS FIGURE 23 REPLACEMENT PARTS LIST MODEL 2620 AND 2630 (continued) REF. CURTIS PART NO. DESCRIPTION FIGURE 23 (86747) A-21170 Connector, 1/8P – 3/8T B-43290 Cap insert G-443986 Nipple, hex B-62554-6 Elbow, CL, 1/4FP – 1/4T B-21010 Cap, container A-22232...
  • Page 50 REF. CURTIS PART NO. DESCRIPTION FIGURE 24 (86746) G-443986 Nipple, hex B-21010 Cap, container A-43308-4 Screw, bleed, .041 B-10100-8 O-Ring, viton N-43314-2 Tubing, nylon A-20247 Cable Tie A-64197 Connector, 1/4P – 3/8T (MOD) A-86643 Filter, 1/4 NPT A-45744 Nut, compr. 3/8T A-45745 Sleeve, 3/8 brass A-48116...
  • 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)
  • Page 52 REPLACEMENT PARTS LIST FIGURE 25 REF. CURTIS PART NO. DESCRIPTION 85574 Strap, carry 86226 Pad, strap...
  • Page 53 INDEX BATTERIES...................…………....23-24 CABLE, AUXILIARY START..............…………..24, 48 CARBURETOR..................…………...25-31 COIL, IGNITION..................…………....47 DRUM FOGGING KIT..............…………....19, 50 ENGINE OPERATION..................…......8 SPECIFICATIONS.......................4 WORKING PRNCIPLE....................5 FILTER AIR..........................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...
  • Page 54 MODEL 2620/2630 BLACKHAWK/MISTER III Machine Serial No.: _________________________________________________________ Date Purchased: ___________________________________________________________ Purchased From: ___________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ HELPFUL CONVERSIONS TO CONVERT INTO MULTIPLY BY Ounces Milliliters 29.57 Milliliters Ounces .034 U.S. Gallons Liters 3.79 Liters U. S. Gallons Pounds Kilograms Kilograms Pounds Cubic Feet...
  • Page 55 Dyna-Fog Offers a Complete Assortment of Sprayers and Foggers PULSE-JET POWERED THERMAL FOGGERS: From 0-120 GPH (0-453 LPH) output. Our complete line include different models like the Superhawk, Golden Eagle, Trailblazer, Falcon, Patriot, Blackhawk, Mister III, SilverCloud and Model 1200. Portable or Truck mounted machines. Different models are available for Oil base or Water base formulations.

This manual is also suitable for:

Mister iii 2630Series 2Blackhawk 2620

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