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Page 9

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Item 96712 
        

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General Operating Instructions

1.  Make sure that the Trigger is in the 

off-position, then plug in the tool.

NOTE:

  Practice the welding procedure on 

scrap material before the workpiece.

NOTE:

  Rods or strips are not 

necessary for tack welding.
2.  Make sure the Nozzle is installed.  Allow air 

to run through the Nozzle to heat it up.

3.  While waiting for the Nozzle to heat up, 

position the workpiece to be welded.

4.  Carefully apply the heated Nozzle to the 

area or seams of plastic to be joined.

5.  With small pieces, weld them just enough 

to hold the pieces together.  If the pieces 
are large, you may need to weld along 
the entire seam or connection point.

6.  Avoid overheating tack points as doing so will 

cause the plastic to warp, burn, or discolor.  
Grind the tack points down to take off the edges.

7.  When finished welding, set the Potentiometer to “0”.  

Rest the Plastic Welder on its Cradle to keep the 
hot Nozzle (1, 21, 22) from touching any surfaces.

8.  Keep air flowing for five minutes after 

disconnecting the electricity.

9.  To prevent accidents, turn off the tool and 

unplug it after use.  Clean, then store the 
tool indoors out of children’s reach.

Welding with Welding Rods

NOTE:

  When welding with welding rods, use 

the correct welding rod for the material being 
welded.  If welding vinyl, use a vinyl welding 
rod.  If welding PVC, use a PVC welding rod.

cAUTION!

  Never place a welding rod 

inside the Nozzle (1, 21, 22).
1.  Material up to 1/2" thick can be welded.  

As different types of plastic material 
will melt at different temperatures, the 
Potentiometer must be properly adjusted.

2.  Hold the Welder with one hand.  With the other 

hand, hold the welding rod.  Hold the welding rod 
close to the Nozzle (about 1/4" to 3/8" away).

3.  You are now ready to begin the welding operation.
4.  When finished welding, set the Potentiometer to 

“0”.  Rest the Plastic Welder on its Cradle to keep 
the hot Nozzle from touching any surfaces.

5.  IMPORTANT!  Keep the air flowing for several 

minutes to allow the Welder to cool.   
Then close the air supply.

Maintenance and Servicing

  procedures not specifically explained in this manual must 

be performed only by a qualified technician.

TO pREVENT SERIOUS INJURy FROM AccIDENTAL OpERATION: 
Make sure that the Trigger is in the off-position and unplug the tool from its 
electrical outlet before performing any procedure in this section.
TO pREVENT SERIOUS INJURy FROM TOOL FAILURE: 
Do not use damaged equipment.  If abnormal noise or vibration 
occurs, have the problem corrected before further use.

cleaning, Maintenance, and Lubrication

1. 

BEFORE EAcH USE,

 inspect the general 

condition of the tool.  Check for:
•  loose hardware, 
•  misalignment or binding of moving parts, 
•  damaged cord/electrical wiring,
•  cracked or broken parts, and 
•  any other condition that may 

affect its safe operation.

2. 

cARBON BRUSH MAINTENANcE.

 

The carbon brushes may require maintenance when 
the motor performance of the tool decreases or 
stops working completely.  To maintain the brushes:
a.  Remove the Carbon Brush Cover on 

each side of the motor housing.

b.  Remove the carbon brushes from the 

housing.  

Keep track of which orientation 

the old carbon brushes were in to prevent 
needless wear if they will be reinstalled.

c.  If either carbon brush is worn down by 

more than 1/2, replace them both.

Summary of Contents for 96712

Page 1: ...rence 17l When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2007 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manua...

Page 2: ... which if not avoided could result in minor or moderate injury Addresses practices not related to personal injury IMpORTANT SAFETy INFORMATION General power Tool Safety Warnings Read all safety warnings and all instructions Failure to follow the warnings and instructions may result in electric shock fire and or serious injury Save all warnings and instructions for future reference The term power t...

Page 3: ...l times This enables better control of the power tool in unexpected situations 5 Dress properly Do not wear loose clothing or jewelry Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts 6 If devices are provided for the connection of dust extraction and collection facilities ensure these are connected and properly used Use of d...

Page 4: ...he tool 10 Do not leave the tool unattended when it is plugged into an electrical outlet Turn off the tool and unplug it from its electrical outlet before leaving 11 Use clamps not included or other practical ways to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control 12 This product is not a toy Keep it ou...

Page 5: ... to carry electricity away from the user reducing the risk of electric shock See 3 prong plug and Outlet 2 The grounding prong in the plug is connected through the green wire inside the cord to the grounding system in the tool The green wire in the cord must be the only wire connected to the tool s grounding system and must never be attached to an electrically live terminal See 3 prong plug and Ou...

Page 6: ...rd outdoors make sure it is marked with the suffix W A W in Canada to indicate it is acceptable for outdoor use 7 Make sure the extension cord is properly wired and in good electrical condition Always replace a damaged extension cord or have it repaired by a qualified electrician before using it 8 Protect the extension cords from sharp objects excessive heat and damp or wet areas TABLE A REcOMMEND...

Page 7: ... 3 4 L B Curved Rounded Tip 2 1 8 L C Bent Tip 1 1 2 L Setup Before Use Read the ENTIRE IMpORTANT SAFETy INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product Note For additional information regarding the parts listed in the following pages refer to Parts List and Diagram on page 11 Functions Barrel Nozzle c cradle On ...

Page 8: ...ts together at 90 use Nozzle 1 for the tack weld first Then use Nozzle 21 or 22 for the line weld 5 Set the Potentiometer 20 at 0 Then plug the Power Cord 19 into a 120 volt grounded electrical outlet 6 Turn on the Power Switch 14 Adjust the Potentiometer 20 to reach the desired temperature see Figure A Allow the Plastic Welder to warm up for several minutes before starting to weld Part Nozzle Typ...

Page 9: ...c material will melt at different temperatures the Potentiometer must be properly adjusted 2 Hold the Welder with one hand With the other hand hold the welding rod Hold the welding rod close to the Nozzle about 1 4 to 3 8 away 3 You are now ready to begin the welding operation 4 When finished welding set the Potentiometer to 0 Rest the Plastic Welder on its Cradle to keep the hot Nozzle from touch...

Page 10: ...s reset button on tool 4 Have technician service tool Tool operates slowly 1 Forcing tool to work too fast 2 Extension cord too long or cord diameter too small 1 Allow tool to work at its own rate 2 Eliminate use of extension cord If an extension cord is needed use one with the proper diameter for its length and load See Extension Cords in Grounding section on page 5 Performance decreases over tim...

Page 11: ...OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO parts List part Description Qty 1 Nozzle C Bent 1 2 Barrel 1 3 Insulating Tube 1 4 Heating Element 1 5 Insulating Disk 1 6 Circuit Board Cover 1 7 Rubber Ring 1 8 Fan 1 9 Control Circuit Board 1 10 Fan Cover 1 11 Seal Rubber Ring 1 part Description Qty 1...

Page 12: ...w the exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date an...

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