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REGULATOR OPERATION & MAINTENANCE

Regulator Technical Overview:

• The MEGR-6120 is a high capacity, pounds to pounds, industrial gas regulator.

It is designed to conform to UL

®

Standard 144 for use with LP Gas. The maximum

supply pressure is 250 PSIG. The maximum output pressure is printed on the regulator
nameplate.

• This regulator is not intended for use in pressure applications below 3 PSIG and

the heat tool should not be operated at a pressure below 20 PSIG. The operating
temperature range is -40 to +200 degrees Fahrenheit.

POL – Attaches to
the Propane Tank

Adjustable Hand Wheel
– Adjusts PSI Setting of
the Regulator

Hose Adapter –
Attaches to the
Supplied 25’ Hose

0 – 30 PSI Pressure Gauge

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Содержание 975

Страница 1: ...Operating Field Maintenance and Parts Manual Model 975 ...

Страница 2: ... the web at www shrinkfasttools com for our latest product information and updates Customer Service Issues Before returning any Shrinkfast product please call 800 867 4746 or 603 863 7719 or email at info shrinkfasttools com SAVE THIS MANUAL FOR FUTURE REFERENCE ...

Страница 3: ...PRESSURE TEMPERATURE OPERATION pages 13 14 VENTILATION REQUIREMENTS page 15 GENERAL INFORMATION ON SHRINK FILM SHRINK BAGS pages 16 20 SHRINK WRAPPINGTECHNIQUES PALLET BAGS ODD SHAPED OBJECTS page 22 OPERATING OVERVIEW pages 23 24 HEAT TOOL PARTS BREAKDOWN pages 25 26 ASSEMBLY AND DISASSEMBLY pages 27 31 HEAT TOOL SERVICE INSTRUCTIONS page 32 DAILY HEAT TOOL INSPECTION page 33 MONTHLY HEAT TOOL IN...

Страница 4: ...ds and other panels may contain flammable materials that could be ignited by the heat tool when working in these locations The ignition of these materials may not be readily apparent and could result in property damage and injury to persons When working in these locations keep the heat tool moving in a back and forth motion Lingering or pausing in one spot could ignite the panel or the material be...

Страница 5: ...the heat of the tool Do not wear loose clothing while shrink wrapping and also keep long hair tied back Stay alert watch what you are doing and use common sense when operating the heat tool Do not use tool while tired or under the influence of drugs alcohol or medication A moment of inattention while operating the heat tool may result in serious personal injury Do not overreach Keep proper footing...

Страница 6: ...ted area Never operate the heat tool on an area that you cannot see Always operate the heat tool with the UL Guard installed UL Guard not included with Metric style heat tools SAFETY CERTIFICATION This model 975 heat tool kit has been safety certified by Underwriter s Labortories UL This kit was inspected following the safety and testing procedures listed in the ANSI UL 147 Safety Standard for Han...

Страница 7: ...SIG The maximum output pressure is printed on the regulator nameplate This regulator is not intended for use in pressure applications below 3 PSIG and the heat tool should not be operated at a pressure below 20 PSIG The operating temperature range is 40 to 200 degrees Fahrenheit POL Attaches to the Propane Tank Adjustable Hand Wheel Adjusts PSI Setting of the Regulator Hose Adapter Attaches to the...

Страница 8: ...ing the hand wheel to the desired pressure However the optimum and factory recommendation is that you do not adjust the pressure and keep the regulator set at the factory setting of 22 PSI Regulator Installation 1 Remove the yellow cap from the POL brass bull nose fitting and connect the POL to your propane tank and tighten with the supplied wrench all threads are left handed thread so tighten cou...

Страница 9: ...n the fittings If any bubbles are visible shut off the propane tank and tighten the fittings 4 When you first turn on the propane tank the pressure gauge on the regulator will slowly move toward the factory setting of 22 PSIG Once the hose is fully pressurized the needle on the gauge will stop at 22 PSIG Now the heat tool is ready to be fired Pictured Hand wheel on top of your supplied propane tan...

Страница 10: ...e heat tool will click then ignite 3 Should the gun fail to ignite release both the safety and trigger fully to ensure that the igniter is reset and repeat the starting procedure WARNING MANY NEW USERS DEPRESS THE TRIGGER TOO QUICKLY AND MULTIPLE TIMES BELIEVING THIS IS THE BEST WAY TO IGNITE THE HEAT TOOL DEPRESSING THE TRIGGER TOO QUICKLY DOES NOT ALLOW THE PIEZO CRYSTAL INSIDE THE IGNITER TO SE...

Страница 11: ...sembly there is a safety featured called the Excess Flow Device This safety feature is designed to stop the flow of propane if the hose becomes cut or detached from the regulator or heat tool during operation The Excess Flow Device does not stop the propane flow 100 but it does reduce the flow so the user has time to get to the tank and shut off the propane and prevent a dangerous situation from o...

Страница 12: ...fore operation Attempting to Ignite the Heat Tool before Pressurization is Complete If the user attempts to fire the heat tool before the pressurization is complete the pressure gauge will drop down to 0 PSI and the heat tool will not ignite In order to ignite the heat tool the user must wait for the system to pressurize 22 PSI and then the heat tool will operate properly This wait time will only ...

Страница 13: ...orrect Vapor withdrawal Use this style exactly the same as a BBQ grill tank B Not Correct Liquid withdrawal Do not use this style used on fork trucks WARNING Using a liquid withdrawal fork truck propane tank will clog the orifice in the heat tool and result in an extremely long and dangerous flame ...

Страница 14: ...ROPANE TANK CONTINUED Propane tanks are available in a variety of sizes The most popular tank sizes 20 lb tank similar to a BBQ propane tank for smaller applications 40 lb tanks are commonly used in most industrial applications ...

Страница 15: ...to 22 PSI at 0 F If the propane tank ices up during operation When the heat tool is in operation the temperature of the tank drops due to the evaporation process of liquid propane to propane gas After prolonged use and continued drop in propane pressure the temperature of the tank may drop to 0 F usually accompanied by icing on the outside of the tank and regulator ...

Страница 16: ...hrinkfast directly Small or nearly empty tanks ice up faster than larger full tanks Typically a full 20 lb tank if operated continuously will run for 90 minutes before ice builds up on the outside of the tank If your shrink wrapping project requires continuous use of the heat tool try the following methods Use multiple tanks Switch the heat tool from one tank to another Use a portable fan Point an...

Страница 17: ...er million as set by OSHA Standard 1910 1000 Air Contaminants ventilation requirements are 2 000 cu ft min of fresh air while the heat tool is operated at a maximum operating pressure of 30 PSI Based on a 1 1 2 minute heating cycle per pallet the fresh air requirements are 3000 cu ft pallet Example If the production rate is 10 pallets per hour a ventilation system needs to provide 500 cu ft minute...

Страница 18: ...erial WARNING Shrink wrap can burn If heat is applied incorrectly shrink wrap can ignite into open flame It can also drop down on to other combustible material and cause secondary ignition and fire If at any time you observe the shrink wrap on fire immediately stop what you are doing and carefully inspect the area where you are working for a possible fire Keep a fire extinguisher available at all ...

Страница 19: ...ickness depends on the project requirements and can be best determined by a shrink film distributor Measuring for the Shrink Pallet Bags For shrink wrapping a pallet a 4 mil shrink bag is typically used for loads of 1 000 lbs or less You should always add at least 2 to the length and width of your measured object when sizing the correct pallet bag and at least 4 6 to the height including the palle...

Страница 20: ... bag is determined by measuring the height of the pallet including the height of the pallet itself and adding 4 6 The added length allows you to tuck the ends of the bag under the pallet before applying heat so that it does not pull up over the pallet edges Example If the pallet size is 48 length x 40 wide x 50 height the bag dimensions are as follows Length L is 50 Width W is 42 Height H is 56 al...

Страница 21: ...e side by sweeping the heat tool smoothly across the bottom in a side to side motion 2 Move up a foot and sweep back and continue sweeping across the face moving up with every sweep until the side is finished The film wrinkles ahead of the heat tool as the film behind begins to shrink It is important that the heat tool be kept in motion at all times 3 As one side is completed move to the next each...

Страница 22: ...heat to one particular area of the shrink film thus burning a hole in the film Keeping the heat tool continuously moving will prevent this from occurring With a little practice you will find that you can hold the heat tool closer to the film and sweep faster often shrinking a pallet in less than 4 minutes It is absolutely necessary that the four corners of the bag be taut under the pallet If this ...

Страница 23: ...h to the bag Note Make sure you cut the film patch at least 2 larger on all sides before applying heat to the patch After applying heat to the patch of film tap the warm film with the back of your glove to ensure the film is secured over the hole The same technique can be applied to reinforce edges or corners After the patch has cooled apply shrink tape to all four sides to further secure the patc...

Страница 24: ...observed When adjoining sheets of film there should be an 18 inch overlap This overlap allows the sheets to weld together during the shrink process The sheets of film must be secured around the entire base of the pallet and attached to the skid with strips of wood strapping or any other method that can secure the film and prevent it from pulling up on the object when heat is applied Once the film ...

Страница 25: ...23 OPERATING OVERVIEW ...

Страница 26: ...Spark Plug Ignites fuel mixture 9 Flame Holder Prevents flashback and flame out 10 Hose Assembly Connects regulator heat tool 11 Regulator Assembly Regulates pressure to the heat tool 12 Adjustment Knob Adjusts pressure to regulator 13 Pressure Gauge Indicates pressure in the line 14 POL Fitting Connects regulator to propane tank 15 Propane Tank See Choosing the Correct Propane Tank section 16 Tan...

Страница 27: ...25 ITEMS NOT SHOWN Key Description 36 Hose Assembly 37 Regulator 38 1 POL Fitting 40 Carrying Case 39 Gauge PARTS BREAKDOWN ...

Страница 28: ...ndle R S 7 Retainer 30A Combustor 8 Inlet 31 Rd Hd Phil Screw 9 Fuel Line 32 Flame Holder 10 Pump Body 33 Oring 11 Label 34A Handle L S 12 Channel 35 Lock Washer 13 Serial Label 36 Hose Assembly 14 Rd Hd Phil Screw 37 RegulatorAssembly 15 FlatHd Phil Screw 38 1 POL Fitting 16 Slotted Set Screw 39 Regulator Gauge 17A Trigger 40 Carrying Case 18A Igniter 41 UL Guard 19 Rd Hd Phil Screw 42 Guard Wash...

Страница 29: ...ng 23 is glued permanently into the valve body 22 1 0 ORIFICE CLEANING 1 1 Unscrew orifice holder 1 using a screw driver or a coin 1 2 Pull out orifice assembly 1 3 Slip out filter screen 3 1 4 To clean the filter and the orifice 5 blow out with compressed air Damaged orifice must be replaced ...

Страница 30: ...28 2 0 HANDLE ASSEMBLY 2 1 Undo screw 14 holding bracket 12 2 2 Remove bracket by pulling it away and tilting it to clear the end of the handle ...

Страница 31: ...nt and rear screws 19 holding 2 4 handle To reach the rear trigger 17A must be depressed fully 2 4 Unclip spark plug lead 26A and pull fuel line 9 out of bushing Handle assembly can now be removed Undo handle screws 15 ...

Страница 32: ... 5 Separate handle halves for access to igniter fuel valve and triggers 3 0 COMBUSTOR DISASSEMBLY 3 1 Undo spark plug clip 26A undo screws 31 holding combustor and pull combustor off the body by twisting it ...

Страница 33: ...crew driver 3 4 IMPORTANT Flame holder 32 side with hole must face orifice end 4 0 VALVE TIMING ADJUSTMENT Fuel valve opening is adjusted by the adjustment screw 16 It should be set so that the valve opens when the gas handle is depressed half way ...

Страница 34: ...uct Shrinkfast and or your distributor expressly states that all repairs and part replacements should be undertaken by certified and licensed technicians and not by the buyer The buyer assumes all risks and liability arising out of his or her repair to the original product or replacement parts thereto or arising out of his or her installation of replacement parts If you require any assistance with...

Страница 35: ...t any leaks indicated by bubbles coming from the connection Before firing the heat tool make sure you do not have a strong smell of propane or hear any hissing which would indicate a possible leak inside the heat tool When you are finished using the heat tool at any time during the day shut off the propane tank and pull the trigger on the heat tool to purge any remaining gas inside the hose WARNIN...

Страница 36: ...ombustor and Flameholder assemblies part 30A and 32 Using compressed air clean out the main Body of the heat tool part 10 Using compressed air remove the Orifice Holder part 1 with a flat blade screwdriver in the back of the heat tool and clean the Screen part 3 Inspect the orings part 33 inside the combustor and part 2 inside Orifice Holder for cracks and replace if necessary or apply lubricant ...

Страница 37: ...then depress the trigger to ignite Trigger is pulled to quickly Depress the trigger slowly to ensure the propane has entered the combustor before firing Propane tank pressure too low Check the regulator to make sure the Gauge is reading a minimum of 20 PSI Propane tank valve is not turned on Turn on tank valve and check the regulator gauge for proper pressure setting Defective igniter With propane...

Страница 38: ...d clean with compressed air Clogged fuel line Remove and clean with compressed air Clogged pump body Remove and clean with compressed air Clogged hose assembly Disconnect and clean with compressed air Combustor turns glowing red Low pressure from tank Increase pressure from tank or replace tank Extremely large flame Wrong fuel type Do not use a fork truck tank only vapor withdrawal tanks like a BB...

Страница 39: ...ARACTERISTICS Distance Ft Temperature F Velocity Ft Min 6 1200 2800 1 750 1700 2 450 800 Heat Capacity 125 000 BTU Hr Propane Consumption 5 7 Lbs Hr Operating Pressure 22 PSIG Weight 3 Lbs 3 Oz Air Consumption 21 CFM Emission 0 017 CO CO2 ...

Страница 40: ...SHRINKFAST 460 Sunapee Street Newport NH 03773 1488 800 867 4746 or 603 863 7719 Email info shrinkfasttools com ...

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