2012 Premo MK III Manual Cover.indd
Contents
1. eS 2 ee E SEI We Engineer Solutions 2012 Premo MK Operations and Service Manual Version 1 IDUSTRIES Section 1 Premo MK Overview Premo MK Description Aerial Ignition Device Sphere The spheres are 32 mm 1 25 in in diameter containing approximately 3 0 grams of potassium permanganate The rate of chemical reaction is dependent upon the particle size of the potassium permanganate and the concentration of the ethylene glycol When the sphere is injected with approximately 1 ml of common automotive coolant ethylene glycol combustion occurs within approximately 20 seconds The delayed chemical ignition time can be doubled by mixing glycol with water 50 50 mix Common reactive compounds include aresenic or antimony glycerol phosphorous sulphur hydrogen peroxide aluminium carbide 1 2 3 4 5 sulphuric acid 6 7 8 titanium 9 hydrogen trisulphide 10 ethylene glycol CAUTION Reactive compounds must be isolated from potassium permanganate during shipping and storage SES We Engineer Solutions 2012 Premo MK III Operations and Service Manual version 2 INDUSTRIES Section 1 Premo MK Overview Premo MK Description Dispenser Diagram The dispenser contains four slipper blocks and feed chutes Schematic of slipper and valve block assembly with an eight step sequence of one revolution of a cam Feed chutes may2. 29 Suggested Spare PANS 29 Semice Centers EM 30 Section 6 Electrical Schematics 31 5 We Engineer Solutions 2011 Premo MK Operations and Service Manual version A INDUSTRIES Section 1 Premo MK Overview Premo MK Description Section 1 Premo MK Overview Premo Description Plastic Sphere Dispenser As a tool in forest management programs the function of the Premo MK III Plastic Sphere Dispenser is to inject ethylene glycol into plastic spheres containing potassium permanganate and then immediately eject the activated sphere from the aircraft The addition of ethylene glycol to potassium permanganate creates a rapid exothermic reaction that has sufficient intensity to ignite the plastic spheres and ignite the designated burn area The dispenser is composed of a power train glycol and water reservoirs pumps slipper blocks and an injection mechanism Accessory components of the dispenser include the tie down straps power supply cable with breakaway connection and controls In the event of a malfunction the unit is fitted with a 3 25 litre 1 gallon water reservoir to be used to extinguish any burning spheres that remain within the chamber 19255523 Avv vut gt 4 gt Be e By E V PPP v 4 cet I 4 e ab a ah ah o e ee tw AE ES eee NN Wy S644 TEN
3. Emergency water Power requirements 24 V DC Fusing Main fuse BUS AGC 5 Hopper feed BUS AGC 2 Drive 2 amp circuit breaker Glycol pump 2 amp circuit breaker 2 amp circuit breaker Spheres diameter 32 mm 1 25 in Material High impact polystyrene Note May have been upgraded to circuit breakers Dispenser Specifications Table 5 Dispenser dimensions and weights Mainframe mass glycol tank full 27 5 kg 61 0 lbs Hopper and chutes 10 5 kg 23 0 lbs Emergency water tank full 3 8 kg 8 5 lbs Hopper capacity 450 spheres 2 7 kg 6 0 lbs Approximate operational weight 44 5 kg 98 0 lbs Volume glycol tank 9 0 liter 2 4 US gal Volume emergency water tank 3 2 liter 0 8 US gal Dispenser dimensions length 68 5 cm 27 5 in width 27 0 cm 10 5 in height 66 0 cm 26 0 in Overall dimensions of crate length 80 0 cm 31 5 in width 35 5 cm 14 0 in height 70 0 cm 27 5 in Total shipping weight 45 0 kg 98 5 lbs A specially built crate with hinged top is provided with each machine for maximum protection during shipping and future use of the equipment in the field 5 We Engineer Solutions INDUSTRIES 2012 Premo Operations and Service Manual version A 6 Section 1 Premo MK Overview Premo MK Description Pilot Operator It is mandatory that the Premo MK III dispenser be operated only by trained personnel The pilot must also be totally familiar with the syst
4. 9 30 12 40 15 50 Using 4 chutes 1 5 5 3 10 4 5 15 6 20 7 5 25 Important Note To achieve continuous reliable feed when using two 2 chutes it is imperative to operate the center ones only Single Track Deflector Table 3 Motor Shaft Sprocket Three teeth single track operation In certain burn applications it may be desirable to increase the distance between ignition points greater than the 2 chute slow speed maximum of 100 feet This is easily achieved using the single track deflector which will consequently increase ignition spacing as indicated in the table below No modifications to the existing machine are required Ground speed in km h mph 16 10 32 20 48 30 64 40 80 50 Motor speed Approximate distance between ignitions points in meters feet Slow 12 40 24 80 36 120 48 160 60 200 Fast 8 26 16 52 24 80 32 105 40 130 For installation and removal of the Single Track Deflector firmly hold the handlebar Carefully position the single track deflector in the extreme forward position at the bottom of the hopper Ensure that the agitator plate remains free floating For use on Premo MK III AF only 5 We Engineer Solutions INDUSTRIES 2012 Premo Operations and Service Manual Version 4 4 Section 1 Premo MK Overview Premo MK Description Fire Extinguishing System Any interruption of operations caused by an obstruct
5. the first several spheres may not produce an accurate reading until the air is fully bled from the glycol system Bleed air 6 Catch the spheres as they exit the dispenser Spheres should be approximately 1 8 full with coolant for proper ignition to occur 7 Turn off the drive and glycol pump Repeat the procedure if required after adjusting the valve Calibrate remaining chutes Uu 4 r rrr SEI We Engineer Solutions 2012 Premo Operations and Service Manual version 10 INDUSTRIES Section 2 Operations Operating the Premo MK III Calibration Calibration may be required to adjust for variations in the concentration of the glycol depending upon the brand of automotive coolant being used or to modulate the rate of the chemical reaction alter fuse time Adjust the injector control valves by loosening the lock nuts and rotating the valve screw new dispensers are preset Test should be conducted prior to the adjustment of the needles After adjustments have been made repeat the above procedure using spheres charged with potassium permanganate and allow them to fall into the metal container that has been placed under the exit chute A stopwatch should be used to time the delay of the spheres from injection to ignition Ignition delay should be approximately 20 seconds Increase the amount of glycol by turning valve to the left counter clockwise until the desired delay is obtained C
6. unless the emergency occurs over a developed area The pilot must be aware that the dispenser will be jettisoned To jettison the Premo MK III dispenser Cut the restraining belt on the LEFT side of the buckle with a knife 2 Grasp the handle adjacent to the glycol tank with the left hand and the injection manifold with the right hand 3 Liftand tip the dispenser clear of the aircraft SEI We Engineer Solutions 2012 Premo MK Operations and Service Manual version 21 INDUSTRIES Section 4 Troubleshooting Troubleshooting the Dispenser Section 4 Troubleshooting Troubleshooting the Dispenser Drive Motor The drive motor does not start 1 Check the aircraft power supply connection the aircraft main switch circuit breaker the dispenser main circuit breaker and the drive motor circuit breaker Also check the quick disconnect to the mainframe and control housing 2 Check wiring to the motor Repair the wiring or replace the motor if necessary The motor starts but the dispenser jams 1 Turn off the motor switch and rotate the manual assist wheel back and forth Switch on the motor 2 If the problem persists close the chute control remove the chute assembly and check the chambers for plastic sphere fragment 3 Check for a damaged needle Replace using an appropriate open end wrench to prevent damage Crushed spheres will indicate damaged or dull needles 4 Slipper blocks may seize and
7. 2 Attach the tie down strap by snapping the end to the holes on each side of the outboard end of the dispenser 3 The other end is passed under the fuselage under the opposite door and fastened to the buckle on the inboard end of the dispenser Check that the strap is free of any aircraft vents or antennas and cinch tightly secure loose end Attach the extension chute by sliding it up the exit chute until a stop is felt 4 Hold against the stop and securely fasten with knurled nuts and wing nuts ensuring that the hubs on both knurled nuts fully enter the corresponding holes in the extension chute A sharp knife must be readily available to the operator should the need to jettison the dispenser arise during flight SI We Engineer Solutions 2012 Premo MK Operations and Service Manual version A 16 INDUSTRIES Section 3 Installation In Flight Operation Connect the dispenser power supply cord to a compatible electrical outlet in the helicopter Ensure the outlet wiring is compatible with the dispenser and is a negative ground system Check the electrical connection by turning on the drive switch and the hopper feed switch The manual assist must rotate counter clockwise direction of arrow If electrical power is available turn off both switches and prepare for pre flight test Important Note The pilot or helicopter engineer is responsible for the electrical connection to the helicopter In Flight Op
8. be used in alternate patterns to control the number of spheres dispensed and thus the spacing of ignition source to the ground see Ignition Spacing table for operating guidelines Ignition Spacing Table 1 Ignition spacing as a function of groundspeed number of operative feed chutes and motor speed using a motor shaft sprocket with 13 teeth standard Groundspeed in km h mph 16 10 32 20 48 30 64 40 80 50 Camshaft speed of 23 rpm slow Approximate distance between ignition points in meters feet Using 2 chutes 6 20 12 40 18 60 24 80 30 100 Using 4 chutes 3 10 6 20 9 30 12 40 15 50 Camshaft speed of 33 rpm fast Using 2 chutes 4 13 8 26 12 39 16 52 20 65 Using 4 chutes 2 7 4 13 6 20 8 26 10 33 5 We Engineer Solutions INDUSTRIES 2012 Premo Operations and Service Manual version A Section 1 Premo MK Overview Premo MK Description Table 2 Ignition spacing as a function of groundspeed number of operative feed chutes and motor speed using a motor shaft sprocket with 18 teeth optional Groundspeed in km h mph 16 10 32 20 48 30 64 40 80 50 Camshaft speed of 30 rpm slow Approximate distance between ignition points in meters feet Using 2 chutes 4 13 8 28 12 40 16 54 29 70 Using 4 chutes 2 7 4 14 6 20 8 27 10 35 Camshaft speed of 45 rpm fast Using 2 chutes 3 10 6 20
9. screwdriver square drive e Set of Imperial Allen keys Set of wrenches 5 16 3 8 7 16 9 16 5 8 11 16 e Adjustable pliers and adjustable wrench e Wire cutters and wire strippers e Soldering iron and solder e Small smooth file for emergency touch up to the needles e Cleaner or degreaser e Small can of lubricant Tri Flow or Never Seize e Permatex No 2 form a gasket sealant for all pipe threads non hardening e Brass wool for cleaning e Small brush for cleaning e Special rubber tool to remove light bulbs Suggested Spare Parts e Fuses 5A 2A 2 amp circuit breakers Klixon e Needles set of four e Valve springs set of four e rings for valve stems set of four e Pump e Drive motor e Bulbs for indicator lights e Solenoid Note The motors used for the main drive and the hopper are identical however the hopper motor uses the high speed wire for its operation The pumps used for the glycol and the emergency water are also identical It is therefore only necessary to carry one of each to ensure rapid replacement It is recommended to carry a supply of EMPTY spheres for bench test procedures 2 We Engineer Solutions 2012 Premo MK Operations and Service Manual version 29 INDUSTRIES Section 5 Maintenance and Repair Maintenance Service Centers Service maintenance repair and spare parts are available from USA Premo PSD Service Center Fire and Aviation Resource Services 200 Emble
10. Ju mu Sli z 2 2 IGNITION PREMO T ray grrrvy 7 44 We UE f PREMO MK OPERATIONS amp SERVICE MANUAL 2012 VERSION A PREMO III OPERATIONS AND SERVICE MANUAL Version A Issue Date April 2012 PLEASE READ BEFORE USING SEI INDUSTRIES LTD 7400 Wilson Avenue Delta B C Canada V4G 1 5 Phone 604 946 3131 Fax 604 940 9566 E Mail seisales sei ind com Website www sei ind com COPYRIGHT 2011 SEI INDUSTRIES LTD ALL RIGHTS RESERVED PRINTED IN CANADA Ss 2 We Engineer Solutions 2011 Premo MK Operations and Service Manual version A INDUSTRIES Table of Contents Section 1 Premo MK III Overview 1 Premo MK III Description 1 Plastic Sphere Dispenser 22 up E a 1 Aerial Ignition Device Sphere 2 Dispenser Diagram e c 3 3 Single Track d 4 Fire Extinguishing System 22 5 Ii eec 6 Dispenser Specifications ue 6 7 Disp nser Op r tor 7 Operational Procedures Restrictions 7 Dispenser Components P mr P
11. Operations and Service Manual Version 33 INDUSTRIES
12. ake off 6 Check the intercom communication and aircraft to ground communications 7 To correct any malfunctions see trouble shooting section The pre flight test must have ensured the following Installation as instructed with restraints in place Mechanical operation is satisfactory e Extinguishing system is filled and operational Additional one gallon of water is available e Glycol reservoir is filled and tightly capped Sharp knife is readily available e Approximate 20 second ignition delay is achieved e Internal aircraft and aircraft to ground communications areoperable e Operator must be well trained and qualified e Pilot has been briefed and agrees that all is in order 2 We Engineer Solutions 2012 Premo MK Operations and Service Manual version A 13 INDUSTRIES Section 2 Operations Operating the Premo Hangfire Test Procedure CAUTION A one gallon canteen of water must be available for this test should the emergency water supply fail to extinguish the fire Important Note Intentional fouling of machine should be accomplished with a sphere in the slipper block to test the emergency fire extinguisher and the operator s ability to remove broken spheres The dispenser must be cleaned following the bench test 1 Ensure that the emergency water tank is filled and its cap is securely fastened Prime the pump Run a few spheres charged with potassium permanganate through the dispense
13. backward until the machine is clear then restart the motor Problems are minimized if starting instructions are followed CAUTION Do not remove the hopper while the dispenser is operating Interruption of the operation caused by an obstruction power or motor failure will result in a primed or activated sphere remaining within the dispenser If this occurs 1 Notify pilot 2 Close feed control handles completely horizontal position 3 Turn off all switches 4 Pull manual assist wheel outward and rotate forward then backward If obstruction clears turn on the motor and resume operations 5 internal fire starts push the red emergency water button and hold up to 30 seconds If necessary use the canteen of additional water to extinguish the fire by pouring down feed chutes through the hopper IF PROBLEM PERSISTS LAND AS SOON AS POSSIBLE 6 Remove the hopper and feed chutes 7 Clear all chambers Dispose of all debris overboard 8 Check and reset the circuit breakers if necessary 2 We Engineer Solutions 2012 Premo MK Operations and Service Manual version 20 INDUSTRIES Section 3 Installation Equipment Malfunction Emergency repairs may be done by the operator at a convenient landing spot using the trouble shooting guide if the required tools and spare parts are available Important Note In the event of an aircraft emergency it is possible to jettison all items including the dispenser
14. cartons of spheres or a metal bulk container securely fastened may be carried in the cabin Lead acid batteries and extra glycol must not be carried in the cabin when the dispenser is installed The dispenser must be readied for installation outside the safety circle of the helicopter by filling glycol tank with the recommended automotive coolant solution Ensure that the glycol filler cap is securely fastened The water storage tank is filled and the delivery hose is checked for kinks Ensure the water filler cap is securely fastened An additional one gallon container canteen of water must be carried in the cabin and be immediately available to the operator in case a fire occurs in the dispenser during flight Please note the following The glycol tank must be filled and tightly capped away from aircraft The fire extinguisher water tank must be filled e additional one gallon container of water must be located in the cabin e Lead acid batteries must NOT be carried in the cabin e Extra supplies of glycol must NOT be carried in the aircraft Ametal container must be on hand to test the dispenser after installation 1 Install the dispenser in the door of the helicopter so that the exit chute overhangs the fuselage and the main frame sits on the rear cabin floor SES We Engineer Solutions 2012 Premo MK Operations and Service Manual Version A 15 INDUSTRIES Section 3 Installation Installation in Helicopter
15. ck the valve system and springs for obstruction in the valve block Replace neoprene rings on valve stems Replace valve springs Plastic spheres do not ignite 1 Check the fluid level in the glycol tank 2 Taking precautions against delayed ignition examine plastic spheres 3 Ifthe contents of primed spheres appear only partially wetted or dry indicates insufficient glycol 4 If the contents of primed spheres are soupy or liquid indicates an excess of glycol See Bench Test Procedure 5 Ifthe consistency of contents are satisfactory check glycol concentration or glycol quality Ignition in less than 20 seconds 1 Follow Bench Test Procedure to adjust concentration of the glycol The delayed chemical ignition time can be doubled by mixing glycol with water 50 50 mix 2 We Engineer Solutions 2012 Premo MK Operations and Service Manual version 23 INDUSTRIES Section 4 Troubleshooting Troubleshooting the Dispenser Pumps The pumps do not deliver fluid 1 Ensure that both the glycol tank and the emergency water tank are filled with their appropriate liquid and that their caps are securely fastened Check for hose kinks air in delivery lines as well as the electrical supply and switches kw 2 We Engineer Solutions 2012 Premo MK Operations and Service Manual Version 24 INDUSTRIES Section 5 Maintenance and Repair Pump Repair and Replacement Section 5 Maintenance and Repair Pum
16. em and its operation The pilot shall have approval for aerial ignition operations and receive a briefing on the operational objective ground and flight procedures The pilot in command is responsible for all matters related to aircraft operations and safety including installation and operation of the Premo MK III dispenser in the helicopter Dispenser Operator The dispenser operator must be experienced in fire behavior and mechanically inclined with ability to handle several responsibilities mentally and physically simultaneously The operator must also successfully complete required training course as a dispenser operator and have received training in helicopter safety The operator is responsible for the preparation operation maintenance and care of the dispenser The operator must determine if prescribed spacing of ignition is occurring and make necessary adjustments In addition the operator must determine if an internal fire can be extinguished or if the dispenser needs to be jettisoned The operator must also communicate with the pilot on all procedures associated with burning operation and any in flight emergencies occurring during the burn mission Operational Procedures and Restrictions In addition to the familiarization received during the pre flight test the pilot must be provided with specific instructions regarding destination objective and general procedures The pilot must also be informed or reminded of the appropriate air
17. eration 1 Prior to take off the hopper should be filled with an appropriate number of plastic spheres and the transparent plastic lid closed and firmly attached 2 A sharp knife must be securely located within reach of the dispenser operator 3 Check the intercom and aircraft to ground communications 4 one gallon container of water must be located in the rear cabin for emergency use in case the primary extinguisher fails to fully extinguish a malfunction related fire 5 Make a dry run over burn area to ensure communication between all parties involved and to determine boundaries of burn area 6 After a dry run over the planned area pilot and operator should determine the firing pattern as instructed by burning boss or firing boss 2 We Engineer Solutions 2012 Premo Operations and Service Manual version A 17 INDUSTRIES Section 3 Installation In Flight Operation WARNING Do not put excessive upward or downward force on the feed control assembly as damage to the mechanism may occur ensure smooth operation slide the bars in the direction of arrows indicated and then lift upward to the complete vertical position Pre start dispenser as follows 7 Turn on the hopper feed switch Ensure that there is free movement of spheres in the feed chutes and that the chutes are filled 8 Enter the first flight line at operation speed and turn on the drive switch Ensure the steady progression of AA E DRIVE sphe
18. etr ent ee or 8 Section 2 Operations 9 Operating the Premo MK IIl uiuis si eei aet eser e Ranae cna quee 9 Emergency Water Supply an tata emot E ER obi 9 Bench Test Procedure RM NTC 9 d D 11 Pre Flight Equipment TeSt T 11 Hangfire Test Procedure 14 Cleaning and Storage 14 Section 3 Installation 15 Installation in Helicopter c M 15 In Flight Operation gt lt a 17 Equipment Malfunction HET 20 Section 4 Troubleshooting 22 Troubleshooting the Dispenser 22 pe 22 ace ln MP 22 Spheres T 23 aco Ke PH 24 Section 5 Maintenance and Repair 25 Pump Repair and Replacement 25 24V Premo Impeller Pump with Magnet Drive Model IP G1 25 Replacement Parts LiSt MC 27 Mm 28 Bleeding the Air from the Glycol System 28 Maintenance and er eee 28 Suggested Field Service Tools and Supplies
19. f the emergency water tank and the tank positioning pins are carefully placed into the four corresponding holes on top of the machine lid Bench Test Procedure The operator should wear gloves and goggles with breathing mask during this test Review the applicable portion of operation checklist prior to beginning bench test Mount the dispenser securely on a suitable table or bench approximately 30 inches high Hil the dispenser with ethylene glycol and water in respective compartments e Connect the power cord to the proper power supply one 24 volt battery or two 12 volt batteries connected in series A special receptacle is required CAUTION Ensure potassium permanganate does not come in contact with battery acid SES We Engineer Solutions 2012 Premo MK III Operations and Service Manual version 9 INDUSTRIES Section 2 Operations Operating the Premo Place the metal bucket under the exit chute about five gallon size Ignition will occur in this test 1 Ensure that the glycol tank is filled and its cap is securely fastened Prime the pump 2 From within the hopper drop several EMPTY spheres into desired feed chutes 3 Liftthe feed control handles 4 Pull out the manual assist and rotate until one sphere drops into the slipper block 5 Turn on the drive and glycol pump allowing a few EMPTY spheres to be filled with glycol Note that if the glycol system has air trapped within it
20. ion power or motor failure will result in a primed or activated sphere remaining inside the dispenser mechanism To extinguish an internal fire push the red emergency water button and hold for up to 30 seconds If necessary use the canteen of additional water to extinguish the fire by pouring down the feeder chutes through the hopper as shown To clear the machine manually pull the assist wheel outward and rotate to dispose of any crushed or primed spheres SEI We Engineer Solutions 2012 Premo MK Operations and Service Manual version A 5 INDUSTRIES Section 1 Premo MK Overview Electrical Specifications Power is supplied to the dispenser from the aircraft power supply 24V DC through a quick disconnect fiting A central control panel contains all the electrical components and switches to operate the different stations such as the main drive glycol pump slow fast speed and the emergency water supply The switches are series wired so that the drive motor can be operated independently of the pump but the pump will not operate unless the drive motor is turned on This allows cycling of unprimed spheres for testing Caution however should always be taken as a small amount of glycol may enter a sphere even if the glycol pump is not on Care should be taken to dispose of these test spheres appropriately See Section 6 for electrical schematics Table 4 Electrical requirements Premo MK Description
21. ontinue with the adjustment for all four chutes About 1 ml of coolant will give approximately 20 seconds of delay with the spheres Pre Flight Equipment Test The objective of this test is to determine the operability of the dispenser preset the ignition timing delay of the plastic spheres and determine any variations in Glycol concentrations The test should be performed daily prior to intended use CAUTION Ignition will occur during this test A metal container about two gallon size is necessary to catch and remove primed spheres from the vicinity of the aircraft Do not conduct this test near refuelling areas or where other combustibles can be ignited SES We Engineer Solutions 2012 Premo MK Operations and Service Manual Version 11 INDUSTRIES Section 2 Operations Operating the Premo Deposit several spheres into the dispenser hopper and place the metal container under the dispenser exit chute 1 Lift the feed control handles 2 on the hopper feed switch Ensure free movement of spheres in the feeder chutes and that the chutes are filled 3 Pull out on the manual assist heel and rotate until one sphere drops into the slipper block This procedure is a feel as well as a visual process The feed chute assembly has slots so that the operator can see the spheres as they move down into the slipper blocks As the operator turns the assist wheel a resistance pressure will be felt This resi
22. p Repair and Replacement 24V DC Premo Impeller Pump with Magnet Drive Model IP G1 To install a new pump remove the existing pump by first disconnecting the two brass fittings and the wire to the positive terminal and then by unscrewing the two hex head screws that mount the pump to the dispenser body Remove the two brass fittings from the old pump and insert and tighten them into the new pump Install the new pump in reverse order of disassembly To ensure leak free seals at the pump ports without stripping the plastics pipe threads first tighten each fitting snugly by hand and then add two full turns using a wrench The pump can be used in either the glycol system or the emergency water system but ensure the appropriate tank is filled with its specific liquid and that its cap is securely fastened before operating the pump CAUTION Operating the pump dry will result in rapid damage to the pump impeller SES We Engineer Solutions 2012 Premo Operations and Service Manual version 25 INDUSTRIES Section 5 Maintenance and Repair Pump Repair and Replacement When preparing the dispenser for use it is recommended to bleed the air from the pump before turning it on This must be done with its tank full This will prime the pump immediately and thus avoid possible damage to the pump impeller If the pump is being used in the glycol system tip the main frame of the dispenser up at an angle by lifting the handle adjacent to
23. peller from damage which will occur if it is run dry 3 Using a 2 or Philips screwdriver loosen the bleeder screw approximately gt a turn until air and glycol begin to escape After a few seconds when a steady stream of glycol is evident securely retighten the bleeder screw It is recommended to wear safety glasses during this procedure as some glycol spraying may occur 4 Turn off the glycol pump Turn off the drive motor 6 Thoroughly wipe up any excess glycol that was bled from the glycol system Maintenance and Repair As soon as possible after operations are completed the dispenser must be dismantled and cleaned thoroughly with CRC 656 and 666 cleanser and degreaser All metal surfaces should be cleaned dried and surfaced with a light oil Never Seize or Triflow or equivalent WD 40 should not be used as it tends to accumulate Potassium dust etc and causes slipper block seizure When extended storage is anticipated the glycol tank and pump should be thoroughly flushed and the valve block cleaned and oiled Use an appropriate open end wrench to remove the needles and prevent damage to the valve stems SES We Engineer Solutions 2012 Premo Operations and Service Manual version 28 INDUSTRIES Section 5 Maintenance and Repair Maintenance Suggested Field Service Tools and Supplies e 8and 3 16 Slot screwdrivers e 0 No 1 and No 2 Philips Screwdrivers e No 1 Robertson
24. r Turn off main drive glycol pump and hopper feed while injected spheres are still within the slipper blocks Do not remove hopper fire will should occur in the slipper blocks 2 Activate the built in emergency water supply 3 Rotate manual assist wheel to clear machine If machine will not clear remove hopper and remove particles of unburned plastic from slipper blocks with screwdriver 4 Turn on dispenser and observe to ensure machine is clean and working properly Additional cleaning may be necessary 5 Replace hopper and make short re test Cleaning and Storage Clean with water 656 666 and degreaser or equivalent Lubricate the moving parts with Tri flow lubricant WD 40 is not recommended Dry the machine before storage in shipping crate Store with the glycol tank full of coolant and the water tank empty 2 We Engineer Solutions 2012 Premo MK Operations and Service Manual Version A 14 INDUSTRIES Section 3 Installation Installation in Helicopter Section 3 Installation Installation in Helicopter The dispenser is designed to be operated from the right rear door of a Bell 206 Jet Ranger helicopter Other types of helicopters may require an auxiliary support bracket so that the exit chute clears the aircraft fuselage Before installing the dispenser in the helicopter the appropriate door must be removed and the cabin cleared of all cushions and other loose articles Securely fastened extra
25. r Two Road Alexander NC USA 28701 Tel 828 775 1871 E mail guyfire aol com Contact Mike Maguire CANADA SEI Industries Ltd 7400 Wilson Ave Delta BC Canada V4G 1H3 Tel 604 946 3131 E mail seisales sei ind com hw 2 We Engineer Solutions 2012 Premo MK Operations and Service Manual version 30 INDUSTRIES Section 6 Electrical Schematics Section 6 Electrical Schematics MKIII Electrical Schematic Main Controls To Hopper Control No Lengih Cole From 2400 Power 520 Green 1 to Glycol Pump 8400 2 to Drive 10400 White gt 750 520 To Drive Motor 74 To Water Pump Glycol SES We Engineer Solutions 2012 Premo Operations and Service Manual version 31 INDUSTRIES Section 6 Electrical Schematics Electrical Schematic Hopper Controls To Hopper Motor Ground Screw 318 32 x 1 2 Lg FH with 8 32 Nut Pin 1 Black Wire SES We Engineer Solutions 2012 Premo MK Operations and Service Manual version 32 INDUSTRIES Section 6 Electrical Schematics MKIII Electrical Ladder Diagram L1 LO Feed Switch Feed Motor Feed Indicator Drive Switch Drive Indicator 2 Way Drive Motor Slow Speed Switch Drive Motor Fast Glycol Indicator 2 AMP Waier Indicator Glycol Pump Glycol Switch Q Water Pump 5 We Engineer Solutions 2012 Premo MK
26. regulations and any restrictions governing the use of the Premo MK III Aerial Ignition System It is also necessary to ensure compliance with any regulations regarding the transport of restricted goods 2 We Engineer Solutions 2012 Premo MK III Operations and Service Manual Version 7 INDUSTRIES Section 1 Premo MK Overview Premo MK Description Dispenser Components RITIRO 4 dde to 4 wt vo 4 4 amp ruf ub d do d do OO 9 4 4 it Hopper Hopper Controls a at WANK t Feed Chutes Power cord to Hopper ergency Water NER zd VN Spill Proof Cap For Glycol Tank TU ASN Feed Control A ee ee 7 5 o t NN 7 X cu dnd E Z9 Manual Assist Power Cable 1 5 G ss A 4 2 4 18 nus Nh SSS A tee Main Frame Control Panel Exit Chute Tie Down Straps SEI We Engineer Solutions 2012 Premo MK Operations and Service Manual Version A 8 INDUSTRIES Section 2 Operations Operating the Premo Section 2 Operations Operating the Premo MK III Emergency Water Supply When connecting the water hose to the tank of the emergency water supply note that the hose must be placed over top of the glycol tank to prevent kinking and bent gently upwards so that it can be fed through the slot in the lid The hose is then fitted to the 45 nipple on the bottom o
27. res down feed chutes 9 Turn the glycol switch 10 Lift the feed control handles SES We Engineer Solutions 2012 Premo Operations and Service Manual version A 18 INDUSTRIES Section 3 Installation In Flight Operation Important Note Operational malfunctions are reduced if an uninterrupted flow of spheres is maintained To stop the dispenser upon completion of the burn the following steps should be taken 1 Operate the aircraft inside the burn area 2 Close feed control handles Push downwards to the complete horizontal position to ensure proper engagement of the locking pins 3 Ensure that all plastic spheres in the chutes have been dispensed into the burn area 4 Turn off all switches 5 Continue to monitor the dispenser to ensure no injected spheres remain in the dispenser 6 Aircraft may then leave the burn area 7 Follow malfunction procedure for a hang up etc 8 Care should be taken to prevent contamination of streams and lakes SEI We Engineer Solutions 2012 Premo Operations and Service Manual version 19 INDUSTRIES Section 3 Installation Equipment Malfunction Equipment Malfunction Occasionally a sphere or fragment will jam on entry or otherwise prevent movement of a slipper block causing the dispenser to stall Immediately turn off the motor to prevent damage Pull the manual assist wheel outward to disengage the motor and rotate forward and
28. stance is caused by a sphere being pushed against an injector needle Any further rotation will inject the sphere and cause a 777771 possible fire in the dispenser When released the A assist wheel may not always snap back to its retracted position because the drive slot and the assist wheel may not be aligned Allow it to remain out as it will automatically align itself when the electric drive is turned on SI We Engineer Solutions 2012 Premo Operations and Service Manual Version A 12 INDUSTRIES Section 2 Operations Operating the Premo 4 Turn on the drive slow speed ensure free movement of the slipper blocks and a steady progression of spheres down the feed chutes 5 Turn on the glycol pump spheres will now be primed run a few spheres through the dispenser as follows e Close the feed chute by lowering control handles e Turn off the hopper feed e After all spheres have cleared the dispenser turn off the glycol pump and main drive Remove the metal container away from the aircraft Timing of ignition should begin when the spheres clear the dispenser exit chute spheres should ignite in about 20 seconds Any apparent discrepancy must be corrected by following bench test procedure to adjust glycol coolant metering e Check the system for leaks e Test the on board fire extinguisher by pushing the red water button on the control panel Ensure that it is full prior to t
29. stop the motor which will necessitate removal cleaning and lubrication of the slipper blocks Water System Water system does not function Check the reservoir Check the line for routing kinks or blockage po e ES Check the water ports in valve block 4 Check the push button wiring solenoid circuit breaker and pump Repair and replace as necessary 2 We Engineer Solutions 2012 Premo Operations and Service Manual Version 22 INDUSTRIES Section 4 Troubleshooting Troubleshooting the Dispenser Spheres The spheres do not move freely in the chutes 1 Check the position of the feed control handles 2 Check if the hopper feed is operating and that no jam has occurred in the hopper 3 Check that the recommended chutes are being used either four or two center ones only one shoot operation requires single track operation Incorrect amount of glycol 1 Check glycol level in the tank and the operation of the pump 2 Open or close the glycol adjustment valves on top of the valve block DO NOT OVERCLOSE Needle should supply approximately 1 0 ml of glycol with each activation of the valve stem Check the needles for blockage Remove clean or replace if necessary 4 Remove coupling to the valve block Check for obstruction and clear supply line Replace the pump if necessary Leakage of glycol 1 Ifa leak occurs during flight land to make repairs 2 Check the couplings for tightness 3 Che
30. the glycol tank to allow access to the glycol pump Open the bleeder screw on the glycol pump two turns When a steady flow of glycol is evident re tighten the bleeder screw securely without over tightening and wipe up any excess glycol If the pump is being used in the emergency water system lift off the dispenser lid and emergency water pump Ensure that the water hose remains connected between the pump and the tank Open the bleeder screw on the emergency water two turns When a steady flow of water is evident re tighten the bleeder screw securely without over tightening and wipe up any excess water CAUTION Do not run either pump dry SI We Engineer Solutions 2012 Premo MK Operations and Service Manual version 26 INDUSTRIES Section 5 Maintenance and Repair Pump Repair and Replacement Replacement Parts List Item Code Description Req 1 IPG1 001 Bleeder screw S S 1 2 IPG1 002 O ring ORB 011 1 3 IPG1 003 Pump housing 1 4 IPG1 004 Stud S S to negative motor terminal 1 5 IPG1 005 Stud S S 1 6 IPG1 006 4 40 x 3 8 socket head cap screw S S 1 7 IPG1 007 1 4 locker washer pltd 2 8 IPG1 008 1 4 NC x 1 2 hex head cap screw pltd 2 9 IPG1 009 Impeller assembly 1 10 IPG1 010 Impeller housing cartridge 1 11 IPG1 011 Inner magnet coupling 1 12 IPG1 012 O ring ORB 024 1 13 IPG1 013 6 x 1 2 flat head scre
31. w Robertson S S 4 14 IPG1 014 Canister 1 15 IPG1 015 Outer magnet coupling 1 16 IPG1 016 4 40 x 3 8 socket head cap screw Robertson S S 1 17 IPG1 017 O ring ORB 035 1 18 IPG1 018 6 x 1 pan head screw Robertson S S 4 19 IPG1 019 Motor mounting plate 1 20 IPG1 020 6 32 x 5 8 flat head screw Philips S S 2 21 IPG1 021 O ring ORB 035 1 22 IPG1 022 O ring ORB 006 1 23 IPG1 022 Negative black wire with ring terminal 1 24 IPG1 024 6 32 x 7 8 socket head cap screw S S 1 25 IPG1 025 8 32 molded in brass terminal 1 26 IPG1 026 Positive red wire with plug in terminal 1 27 IPG1 027 Motor 24V DC 1 28 IPG1 028 6 x 1 2 flat head screw Robertson S S 2 29 IPG1 029 Cover 1 30 IPG1 030 8 flat washer S S 2 31 IPG1 031 8 32 Hex nut S S 1 hw 2 We Engineer Solutions 2012 Premo MK Operations and Service Manual version 27 INDUSTRIES Section 5 Maintenance and Repair Maintenance Maintenance Bleeding the Air from the Glycol System For reliable operation of the glycol injection system it is recommended to bleed the air from the system using the bleeder screw in the brass nut located on the front of the manifold This should only be required if the glycol tank has been emptied or the glycol system has been run dry Bleed the air from the glycol system as follows 1 Turn on drive motor 2 After ensuring that the glycol tank is full turn on the glycol pump This will protect the pump im
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