London Foggers 20-20 Operator's Manual
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London Foggers 20-20 Operator's Manual

High output ulv aerosol generator
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Summary of Contents for London Foggers 20-20

  • Page 2: One-Year Limited Warranty

    ONE YEAR LIMITED WARRANTY LONDON FOG, INC., SUBJECT TO THE PROVISIONS BELOW WARRANT EACH NEW PRODUCT MANUFACTURED BY THE COMPANY TO BE FREE FROM DEFECTS IN MATERIAL AND/OR WORKMANSHIP IN NORMAL SERVICE FOR THE PERIOD OF ONE (1) YEAR COMMENCING WITH DELIVERY OF THE MACHINE TO THE ORIGINAL INVOICE.
  • Page 3 INDEX Section Page Specifications Safety Precautions III. Assembly/Installation Service Before Start-Up Pre-Start Check List Start-Up/Shut Down VII. Operation a. Spraying b. Setting Flow Rate c. Calibration d. Flushing VIII. Service Schedule Maintenance a. Air Pressure b. Air Pump/Air Filter c. Air Pump Oil Level d.

  • Page 4: Specifications

    SPECIFICATIONS TYPE: Vehicle or trailer mountable – non-thermal, U.L.V. (Ultra-Low Volume) Cold Fog aerosol generator. ENGINE: Twin cylinder Honda with overhead valves, 4-cycle, gasoline, 21hp, 12v. Fuel Consumption – regular or unleaded automotive 1 gal/hr. Electric start alternator, pressure lubrication and oil pressure sensing system. AIR PUMP: Positive displacement, rotary, cast iron.

  • Page 5: Safety Precautions

    SAFETY PRECAUTIONS WARNING READ AND UNDERSTAND THESE SAFETY PRECAUTIONS BEFORE OPERATING MACHINE NOTE: When moving a London Fogger unit with a forklift, ensure the engine is on the side closest to the forklift. Lifting from the wrong side may result in damage to the unit. 1.
  • Page 6 e. DO NOT stand in the discharge air blast from the nozzle. Avoid extended exposure in close proximity to machinery which exceeds safe noise levels. 4. MACHINE DAMAGE: Never operate a machine after it has been damaged. A damaged machine can be very hazardous.

  • Page 7: Shipping Container

    ASSEMBLY/INSTALLATION 1. SHIPPING CONTAINER; Remove the protective shipping container. Look for any hidden shipping damages and, if present, report it immediately to the carrier. NOTE: It is a good idea to retain the original machine shipping carton as well as its inner packing and blocking materials for future storage and/or shipment which may be required.

  • Page 8: Battery Installation

    4. BATTERY INSTALLATION a. When installing the battery, connect the negative (-) cable last to prevent sparking and shorting. b. When disconnecting is required, remove negative (-) connection first. c. Reversed polarity can cause damage to the starting and charging systems. WARNING DO NOT JUMP START THE BATTERY WHILE CONNECTED TO THIS MACHINE.
  • Page 9 SERVICE BEFORE START-UP 1. ENGINE a. Gasoline – Service the engine with gas and oil. For the best results, use only regular unleaded gasoline with an octane rating of 87 or higher. In countries using the research method, it should be 90 octane minimum. If leaded gasoline is used, combustion chamber, cylinder head and spark plug may require more frequent service (see SERVICE SCHEDULE, section VII).

  • Page 10: Pre-Start Checklist

    PRE-START CHECKLIST SEE SECTION # All safety equipment is in place _____ Remote control panel is in place _____ Battery is secure in place _____ Sufficient gasoline in gas tank _____ Oil in engine at proper level _____ Oil in air pump at proper level _____ All hoses tight and connected _____...

  • Page 11: Start-Up / Shutdown

    START-UP / SHUTDOWN 1. Be sure to complete the service before start-up: pre-start checklist and all safety precautions, before starting the machine. 2. START Move the engine ignition switch (on the control panel, see figure 2 – section VII) to the “ON” position.

  • Page 12: Operation

    OPERATION Read this complete OPERATION section and the section on SAFETY PRECAUTIONS before starting the machine. For first time operation, the sections on INSTALLATION, SERVICE BEFORE START-UP, and PRESTART CHECKLIST must be performed before proceeding with operation. When operating this machine for the first time, move to an uncongested and well-ventilated work area in an open area away from flammable materials.

  • Page 13: Setting The Flow Rate

    c. To STOP spraying, turn the spray switch to the OFF position. d. When the spraying operation is complete, the unit must be flushed in accordance with the FLUSHING SYSTEM section of this manual. 2. SETTING THE FLOW RATE NOTE: Since this machine may be used with various materials, the machines are shipped with the flow rate set at approximately 9.0 Fl oz/min.
  • Page 14 d. Lock the pointer handle at the desired flow rate setting by tightening the two knurled rings. DO NOT OVERTIGHTEN. Do not use any additional wrenches. Hand Tighten Only. e. Close the pump box and fasten latches. 3. CALIBRATION NOTE: All calibrations must be made with the engine running and the fluid flowing through the nozzle.
  • Page 15 4. FLUSHING a. With most chemicals, it is desirable to flush the fluid system and nozzle after each operation. To flush the system, simply move the selector switch to the FLUSH position and turn the SPRAY switch to the ON position. b.

  • Page 16: Service Schedule

    SERVICE SCHEDULE HOURS Items to be serviced Daily Check Air Pressure Clean Air Pump Air Filter Check Air Pump Oil Level Change Air Pump Oil Change Air Pump Breather Grease Air Pump Bearings Check Battery Check Engine Oil (Level) Check Engine Oil (SAE-30) Change Engine Oil (Multi-Viscosity) Change Oil Filter Check Engine Air Intake (Finger Guard)

  • Page 17: Maintenance

    MAINTENANCE 1. AIR PRESSURE The nozzle air pressure can be checked at the gauge located under the flow control pump box. Pressure should be approximately 6psi. Air pressure is controlled mainly by engine speed which should be 2700-3000rpm. a. Engine speed not correct – see Engine Trouble Shooting, Section X and Governor Maintenance, Section IV.

  • Page 18: Engine Oil Level

    c. After a long shutdown, it is recommended that the grease relief fittings be removed, the old grease flushed out with kerosene or #10 lubricating oil, drained thoroughly, and bearings refilled with new grease. Be sure grease relief fittings are reinstalled. 5.

  • Page 19: Engine Oil Change

    8. ENGINE OIL CHANGE a. For a new engine, change the oil after the first 20 hours of operation, thereafter, change the oil after every 100 hours of operation. b. Make sure the engine is stopped and the oil has had time to drain into the sump. Drain oil while the engine is warm.

  • Page 20: Engine Cooling Fins

    10. ENGINE AIR INTAKE SCREEN Make sure the air intake screen is clean and unobstructed. If debris builds up on screen during engine operation, STOP engine immediately and clean off. An obstructed screen can cause engine overheating. 11. ENGINE COOLING FINS Every 50 operating hours (more often under extremely dusty or dirty conditions) remove cooling fins.
  • Page 21 13. ENGINE FUEL FILTER This filter is located on the gas line between the engine and the gas tank. Clean as needed. 14. ENGINE SPARK PLUGS Every 200 operating hours, remove the spark plugs, check condition and reset gaps, or replace with new plugs as follows: a.

  • Page 22: Pulsation Dampener

    19. PULSATION DAMPENER The piston type metering pump tends to deliver a slightly pulsating flow of insecticide. For the best aerosol particle size, a more even (non-pulsating) flow is desirable. A small air chamber type pulsation dampener is located in the metering pump box assembly, between the pump and the aerosol discharge nozzle.

  • Page 23: Drive Belt Alignment

    21. DRIVE BELT ALIGNMENT Check drive belts regularly. They should be in alignment and neither excessively tight nor loose enough to slip. Both the engine and blower pulley bushings should be located ½” from the vertical belt guard mount. Since both pulleys are of the same thickness, a 2’ carpenter’s square can be used as an alignment tool.

  • Page 24: Troubleshooting

    TROUBLE SHOOTING SYMPTOMS POSSIBLE CAUSE CORRECTIVE ACTION 1. Starter fails to a. Battery cable connection is loose, a. Clean & tighten cable connections or crank engine dirty or damaged. replace damaged cables. b. Dead battery. b. Replace or charge battery. NEVER c.
  • Page 25 SYMPTOMS POSSIBLE CAUSE CORRECTIVE ACTION 4. Engine knocks or a. Crankcase oil low. a. Fill oil to proper level, after oil fill if develops a noise. b. Mufflers clogged. noise continues, consult nearest c. Flywheel loose. engine service center. d. Contaminated fuel. b.
  • Page 26 SYMPTOMS POSSIBLE CAUSE CORRECTIVE ACTION 11. Power light is not it a. Machine not turned on. a. Turn on ignition switch. when power switch b. Defective switch. b. Replace switch. Switch may be is in ON position. c. Lamp defective. temporarily shorted across terminals for test.
  • Page 27 SYMPTOMS POSSIBLE CAUSE CORRECTIVE ACTION 18. Excessive power required. a. Speed too high. a. Check RPM. b. Pressure too high. b. Check piping, screen valves, c. Impellers rubbing. silencer to assure an open flow path. c. Consult factory. 19. Overheating of bearing or gears. a.

  • Page 28: Preparation For Storage

    PREPARATION FOR STORAGE 1. GENERAL If the unit is to be out of service for two or more months, clean the entire machine with soapy water. Rinse and dry thoroughly. 2. BLOWER When a blower is taken out of service, it may require internal protection against rusting or corrosion.
  • Page 29 FLUID SYSTEMS DIAGRAM...
  • Page 30 20-20 ENGINE WIRE DIAGRAM PUMP BOX WIRING DIAGRAM...
  • Page 31 YELLOW CAB CONTROL WITH PC BOARD 20-20...

  • Page 32: Parts Breakdown

    PARTS BREAKDOWN – 20-20...
  • Page 33 PARTS BREAKDOWN – PUMP BOX...
  • Page 34 PARTS BREAKDOWN – KEY Model H-1000/1010 Item # Part # Description Qty. H-101A Engine Assembly Complete Wired 1-102 Relay 5 Pin Kill Relay 1-103 Relay 4 Pin Start Relay 1-105A Engine Wire Harness Complete (AMP) H-134SP Engine Oil Filter 1-105 Blower/Engine Pulley (does not include bushing) 1-124 Taper Bushing (does not include pulley)

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