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Shrinkfast 998, Operatin

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Shrinkfast 998 Operatin Download Page 26

1.

Filter Holder

2.

O ring

3.

Filter (disc)

4.

Filter Spring

5.

Orifice Assy.

6.

24-O ring

7.

Retainer

8.

Inlet

9.

Fuel Line

10.

Pump Body

11.

Label, RH

12. Label, 

LH

13.

Name Plate, UL (Not shown)

14.

Name Plate, Euro (Not shown)

15.

Housing, RH

16.

Housing, LH

17.

Trigger/Igniter Assy

18.

Trigger/Igniter Assy

20.

Safety

21.

Spring

22.

Valve Assy

23A.

Hose Adapter-US

23B. Hose Adapter-Met.

25.

Contact Screw

26.

Contact Spring

27.

Socket

28.

Spark Plug

29.

Assy Screws

30.

Combustor

31.

Button

32.

Flameholder

33.

O ring

34.

Strap

35.

Button Spring

36A.

Hose Assy-US (Not shown)

36B. Hose Assy-Metric (Not shown)
37.

Regulator Assy-US (Not shown)

37

Regulator Assy-Metric (Not shown)

37.

Regulator Assy-Nul

40.

Metal Box (Not shown)

41.

Guard Screw

43A.

UL Guard

43B. Euro Guard
44A.

Wrench-US (Not shown)

44B. Wrench-Euro (Not shown)

Summary of Contents for 998

Page 1: ...Operating Field Maintenance and Parts Manual Model 998 ...

Page 2: ...r point the gun at anyone Inspect hose before each use for breaks or weakened spots Always shut off valve at tank when leaving the gun unattended for any length of time WARNING DO NOT TOUCH WIRE METAL SHIELD AFTER GUN HAS BEEN FIRED ...

Page 3: ...98 heat shrink tool has evolved from the previous models 975 and 305X The major new fea tures include cool combustor lightweight durable and safety trigger mechanism that automatically shuts off if it should be dropped The simple design allows for field repairs to be completed quickly and effi ciently The manual has also evolved into a simpli fied format which if read carefully will greatly enhanc...

Page 4: ...t loads such as a load of cookies at 100 lbs pallet a 3 mil bag should be satisfactory However drums of molasses for example at 2000 lbs pal let would require 6 mils or more 3 Bags are made in two styles centerfold and gussetted Gussetted bags shrink equal ly in both directions 35 45 and are trou blesome because they tend to pull up and away from the pallet Therefore they should be bought longer t...

Page 5: ...add 1 The two sides 30 47 77 2 Fitting allowance 4 WIDTH 81 To calculate the length add 1 1 2 of the short side 15 2 The height 36 3 Shrink allowance 1 for each foot of height 3 LENGTH 54 In this case the bag size is 81 x 54 ...

Page 6: ... the pressure is 110 PSI and drops to 22 PSI at 0 F When in use the temperature of the tank drops due to the evaporation process of liq uid propane to propane gas After prolonged use the temperature of the tank may drop to 0 F usually accompanied by icing on the outside and the propane pressure drops below 15 PSI DO NOT RUN THE GUN WITH THE PRESSURE BELOW 15 PSI Small or nearly empty tanks ice up ...

Page 7: ......

Page 8: ...n By way of comparison a 35HP forklift truck running on propane generated 6 times as much CO To maintain a safe CO concentration of 50 parts per million OSHA standards 1910 93 the ventilation requirements are 2000 cu ft min while the gun is operated at the 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 For a pr...

Page 9: ...V Operating Instructions ...

Page 10: ...nts clogging 7 Orifice Meters fuel 8 Spark Plug Ignites mixture 9 Flame Holder Prevents flashback and flame out 10 Hose Connects regulator and gun 11 Regulator Regulates pressure to gun 12 Adjustment screw Sets pressure 13 Pressure Gauge Indicates pressure in the line 14 Pol Fitting Connects and contains excess flow check valve 15 Tank See section on tank 16 Tank Valve Opens closes fuel supply For...

Page 11: ...e click To start the gun first press the safety trig ger which prevents the gas handle from being accidentally opened Then squeeze the gas handle slowly all the way until the igniter fires with an audible click CAUTION GUN WILL IGNITE NOTES 1 It is important to squeeze the gas han dle slowly If the gas handle is squeezed too quickly the igniter will fire the spark plug before the gas mixture gets ...

Page 12: ... and using the air velocity to blow it under the pallet Shrink it so that it grasps the underside of the pallet firmly In so doing the bag is locked to the pallet thereby uni tizing the load d To side shrink do one side after anoth er Hold the gun approximately 12 from the film surface shrink the side by sweep ing the gun smoothly across the bottom Move up a foot and sweep back and con tinue sweep...

Page 13: ...g a pallet in less than 2 minutes It is absolutely necessary that the four cor ners of the bag be caught under the pallet If this is not done the effectiveness of shrink palletizing is considerably reduced 2 Patching Occasionally holes will appear in the film These may be easily patched by laying a square of film over the hole and applying heat around the edges welding the patch to the bag The sam...

Page 14: ...shrink process The sheets must be secured at the base of the load using the weight of the load or by battens tacked to the skids or any other method that may be expedient NOTE SHEETS SHOULD BE JOINED TOGETHER ON THE FLOOR WITH AN 18 OVERLAP IV Service Information Note Letters Keyed To Text On Following Pages ...

Page 15: ...rried out inside the combustor E The flame holder F prevents flashback where the flame travels back into the jet pump and the flame out where the flame is blown out of the combustor Another proprietary function of the flame holder is to achieve the unusual effect of maintaining cold combus tor walls in spite of the fact that the com bustion is substantially completed inside the combustor This it d...

Page 16: ... the combustor The slot shaped outlet of the combustor creates a large mixture interface and promotes high volume entrain ment within an unusually short distance The exhaust gases transfer their heat and momentum to the entrained air and thus cre ate a stream of high volume low tempera ture air This pumping effect is progressive i e as the distance from the combustor increases so does the volume o...

Page 17: ...tered combustor before firing Pressure too low Check Regulator Handle not released fully Release both triggers to make sure igniter is reset Spark plug gap too small Open gap to 3 mm Defective igniter or connections Check for spark Return for service Gas not on Check ON OFF valve Combustor turns Wrong fuel Check for proper type red insufficient Tank has iced up and tank Change to new tank fuel flo...

Page 18: ...essed air Clogged hose Blow out or replace Clogged fuel line Blow out or replace Large Flame Leak in orifice assembly Tighten orifice in holder and fuel flow check Wrong pressure Reset to 15 30 PSIG Leading edge of combustor will turn red under normal conditions If more than 1 of combustor turns red trouble is indicated ...

Page 19: ...ilter Cleaning 1 1 Unscrew filter holder 1 using a screw driver or a coin Pull out the filter holder 1 2 Pull out the filter screen spring assem bly 3 4 and clean with compressed air or replace 2 Spark Plug Replacement 2 1 Depress button 31 and remove com bustor assembly 30 2 2 Pull spark plug 28 and flame holder 32 out with a pair of pliers ...

Page 20: ... gap should be set to 3 5mm 3 Igniter Replacement 3 1 Undo the 5 mounting screws 29 and remove right housing 15 3 2 Undo contact screw 25 which retains the cable 17 18 and the contact spring 26 3 3 Snap off the clamp 34 with a screw driver ...

Page 21: ...fted out 4 Orifice Replacement IMPORTANT NOTE The orifice 14 consists of 6 slender thin walled tubes which can easily be bent or damaged if dropped or mishandled Once bent the performance of the gun can be seriously impaired For this reason the following operation should be performed with utmost care ...

Page 22: ...14 and remove the pump first by sliding it away from the orifice and then lift ing it out This sequence is important because the orifice reaches inside the pump Lifting the pump before sliding it away will damage the orifice tubes 4 3 Unscrew the orifice 4 4 Use a 6mm drill to clean out each ori fice stem ...

Page 23: ... joines 15 onto one half of the cage 16 5 2 Insert the second half of the cage 17 into the tubular joints and twist it together fully until the mounting struts of both halves are parallel 5 3 Attach the cage assembly to the com bustor with the 4 mounting screws 18 ...

Page 24: ...ACTERISTICS DISTANCE FT TEMPERATURE F VELOCITY FT MIN 1 2 1120 2100 1 650 1200 2 390 660 Heat Capacity 172 500 Btu Hr Propane Consumption 8 0 Lbs Hr Operating Pressure 22 5 PSIG Weight 2 Lbs 20 Oz Air Consumption 30 CFM Emission 015 CO CO2 ...

Page 25: ......

Page 26: ...20 Safety 21 Spring 22 Valve Assy 23A Hose Adapter US 23B Hose Adapter Met 25 Contact Screw 26 Contact Spring 27 Socket 28 Spark Plug 29 Assy Screws 30 Combustor 31 Button 32 Flameholder 33 O ring 34 Strap 35 Button Spring 36A Hose Assy US Not shown 36B Hose Assy Metric Not shown 37 Regulator Assy US Not shown 37 Regulator Assy Metric Not shown 37 Regulator Assy Nul 40 Metal Box Not shown 41 Guard...

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