Motor Guard MAGNA-STITCHER MS-1-KIT Instructions Download Page 2

 

APPLICATION 

 
The Motor Guard Magna Stitcher

TM

 turns your stud welder into a plastic repair tool.  The MS-1 fits all 

popular stud welders and provides all the features of a plastic repair system at a fraction of the cost. 
 
The MS-1 works by welding a rigid stainless steel stake into the surface of the plastic resulting in a 
permanent repair of the crack.  Repairs can be made on flat surfaces, tabs, holes, ribs, inside and 
outside corners. 
 
The Magna Stitcher

TM

 can be used to repair Bumpers, Fascias, Spoilers, Headlamp Brackets, 

Radiator Brackets, Interior Components, Underbody Structures, Wheel Wells, Panel Mounting Tabs 
and any thermoplastic part.  This economical attachment can also be used for quick, on-the-vehicle 
repairs such as mounting tabs, underbody components and other out-of-sight components.  Simply 
stitch and go! 

 

IMPORTANT: Read and understand all warnings and instructions prior to use.

 

 

 
INSTALLATION OF TOOL 

 
Install Magna Stitcher

TM

 on end of stud welder as shown in Figure 1. 

Tool must be seated firmly against insulator. Tighten knob snuggly 
but do not over-tighten as thread damage may result. 
 
Choose proper stake type according to area to be repaired (see 
table on back page). 
 
 

 

 
PREPARATION OF WORK AREA 

 
Prepare area to be repaired by removing all dirt, oil and dust.  
Repairs are generally made on the inside surface of the panel.  
Removable foil tape may be used on the outer surface to hold the 
position while stitching. 

 
 
GENERAL REPAIR PROCEDURE WITH MAGNA STAKES

 

 
Insert stake into electrodes as shown in Figure 2.  Three positions are available to insert stakes at 
different angles.   
 
Place stake against surface to be repaired while applying very light 
pressure.  

Tap trigger on welder one or two times to heat stake

.  

A few short taps on the trigger are enough to heat the stake and 
melt the plastic part. 

Overheating the stake may damage the 

part

.   

 
While continuing to apply light pressure, allow the stake to sink 
halfway through the thickness of the work piece.  After stake is 
inserted to proper depth, twist the stake slightly to allow it to lock 
into the panel.   
 

Fig. 1 

Fig. 2 

Fig. 3 

Allow the stake to cool for 2 or 3 seconds before removing tool.  Trim exposed ends of stake using 
wire cutters (Figure 3).  

Take care while trimming stakes as flying pieces can cause injury to 

operator or bystanders.  Eye protection should be worn at all times 

(See Safety Instructions). 

 
Complete cosmetic repair on front of panel as needed. 

                          

 

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