Harbor Freight Tools 3914 operating instructions Aligning the Pulleys, Bobbin Winder Assembly

Models: 3914

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Hand Wheel Sewing Machine

 

Carriage Bolts (70j),

(7b)

Belt (71j)

Flat Washer (69j),

 

 

Spring Washer (68j),

 

 

Nut (67j)

Set Screws

(8b) (One on

each side of

the Pulley)

Main Shaft

(32b)

Slot in Tabletop for belt

Figure 7 Bobbin Winder Assembly

3.Slide the Sewing Machine Hand Wheel (7b) onto the Main Shaft (32b) of the Sewing Machine. Align one of the Set Screw holes (on the side of the Pulley) with the flat section of the Main Shaft.

Tighten the Set Screws (8b) enough to hold the Pulley in place, but not fully tightened.

Back of Sewing Machine

Slot with Pulley Belt

Carriage Bolts (70j)

flush with Tabletop

Back of Tabletop

Figure 8

4.Using a rubber mallet (sold separately) tap the three Carriage Bolts (70j) into the top of the Tabletop so that they are flush with the tabletop.

REV 04c; 07g, 10b

Figure 9

5.Mount the Motor to the underside of the tabletop using the Carriage Bolts (70j), Flat Washers (69j), Spring Washers (68j), and Nuts (67j). Finger tighten only.

Aligning the Pulleys

Belt (71j)

Motor

 

Set Screw (7j)

 

Pulley (8j)

Figure 10

1.Place the Belt (71j) around the Sewing Machine Hand Wheel (7b), through the slot in the table top, and around the motor Pulley (8j). Make sure the motor pulley is in line with the Sewing Machine Hand Wheel. If you cannot get the Pulleys to line up by sliding them slightly in either direction, you may need to turn the Motor Pulley around. To do this, loosen the Set Screw (7j) on the motor Pulley, slide the Pulley off of the motor

SKU 3914

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

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Harbor Freight Tools 3914 operating instructions Aligning the Pulleys, Bobbin Winder Assembly