Harbor Freight Tools 3914 Mounting the Thread Stand, SKU For technical questions, please call

Page 11

Mounting the Thread Stand

Thread Hanger

Upper Spool

(28i)

Column Pipe

Rest Rod

(30i)

Connector (33i)

 

Spool

Lower Spool

Rest Rod

Pins

(36i)

(40i)

 

Figure 13

Note: The Thread Stand is designed to be mounted on the Table Stand Kit (Model 03929-sold separately). Unless indicated otherwise, all parts referred to in this set of instructions are listed in the

I - Bobbin Winder & Thread Stand Unit Parts List and Diagram. During assembly, it will be helpful to refer to that list and diagram.

Back of Tabletop

Thread Stand hole

 

Machine Rest Pin (19h) hole

Pre-drilled Engine

mounting holes

 

 

 

 

 

 

 

Legs

 

 

Sewing Machine

 

 

 

 

 

 

 

 

 

 

 

 

 

Opening

 

 

 

 

 

 

 

 

 

 

 

 

 

Pulley Belt Slot

 

Front of Tabletop

Possible ON/OFF Control Box location

Figure 14

6.Place the Washer (37i) onto the Lower Spool Rest Rod (36i) and insert the Rod into the Thread Stand Hole in the far right back corner of the tabletop (see above). Place another Washer (37i) over the end of the Rod, and thread on and tighten a Nut (38i).

REV 04c, 05d, 10b

7.If needed, bend the Spool Support (46i) so it slides easily over the Lower Spool Rest Rod (36i), then slide it over the Lower Spool Rest Rod, about halfway down. Insert a Bolt (31i) and Nut (47i) through the Support.

Note: The Support has tabs that hold onto the corners of the Nut to make tightening easier. When assembling, place the Nut on the side with these tabs.

8.Tighten the Screw.

9.Insert the threaded end of the Spool Pin (40i) through one of the holes in the top of the arm of the Spool Support (46i).

Place a Washer (32i) and Nut (35i) over the end of the Pin and tighten. Place the Spool Rest (41i), Spool Mat (42i), and the Spool Vibration Stopper (39i) over the end of the Spool Pin. Repeat this step for both of the Spool Pins (40i).

10.Place the Column Pipe Connector (33i) over the top of the Lower Spool Rest Rod (36i) until the Rod is about halfway through the Connector. Place a Bolt

(34i) and Nut (35i) through the bottom hole in the Connector and finger-tighten.

11.Place the Upper Spool Rest Rod

(30i) into the top of the Column Pipe Connector (33i). Place a Bolt (34i) and Nut (35i) through the top hole in the Connector. Tighten all of the Screws and Nuts in the Connector.

12.Remove the Column Cap (29i) from the top of the Upper Spool Rest Rod (30i). If needed, bend open the Thread Hanger (28i) so it slides easily over the Upper Spool Rest Rod. Slide the Thread Hanger about halfway over the top of the Upper Spool Rest Rod. Insert a Bolt (31i) and Nut (47i) through the Hanger as explained in the note in step 7, above. Tighten the Screw and place the Column

SKU 3914

For technical questions, please call 1-800-444-3353.

Page 11

Image 11 Contents
Single needle industrial Sewing Machine For technical questions or replacement parts, please callSave This Manual SpecificationsSafety Warnings Precautions Read all instructions before using this ToolFor technical questions, please call Sewing Safety Precautions Extension Cords GroundingGrounded Tools Tools with Three Prong Plugs 25’ 50’ 75’ 100’ 150’ UnpackingTable a Assembly Mounting the Motor Aligning the Pulleys Bobbin Winder AssemblyAdjusting the Belt Tension SKU For technical questions, please call Mounting the Thread StandMounting the Bobbin Winder Installing the Belt CoversOperation OFF Position Attaching the NeedleBobbin Winder Operation Moderate to slow speeds for the first 15 minutes of useWith the thread Detail Threading the Top ThreadRaising the Presser Foot Adjusting the Stitch LengthAdjusting the Needle Thread Tension Adjusting the Bobbin Thread TensionAdjusting Feed Dog Height Setting the Presser Foot PressureAdjusting the Feed Timing Adjusting Needle-to-hook Timing Adjusting the Height of the Knee Lifter Adjusting the Presser Bar HeightAdjusting Sewing Speed with Pulleys sold separately MaintenanceMotor Wiring Diagram Part Description Qty ARM BED Parts ListARM BED Assembly Drawing Main Shaft Parts List Main Shaft assembly Drawing Stitch Drive Parts List Stitch Drive Assembly Drawing Presser BAR Parts List Presser BAR Assembly Drawing Feed Control Parts List Feed Control Assembly Drawing Lubrication Parts List Lubrication Assembly Drawing Base Assembly Drawing and Parts List Accessories Parts List and Assembly Drawing Bobbin Winder & Thread Stand Unit Parts List Bobbin Winder & Thread Stand Unit Assembly Drawing Motor Parts List Motor Assembly Drawing Limited 90 DAY Warranty