Harbor Freight Tools 3914 operating instructions Base Assembly Drawing and Parts List

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REV 10b

G - BASE ASSEMBLY DRAWING AND PARTS LIST

Part

Description

Qty

1g

Oil Pan

1

2g

Knee Press Lifter Rod

1

3g

Rubber Cushion

4

4g

Gasket

1

5g

Bolt

1

6g

O-Ring

1

7g

Stud

2

8g

Nut

2

9g

Bolt

1

10g

Spring

1

11g

Snap Ring

1

12g

Knee Press Shaft

1

13g

Rubber Joint

1

Part

Description

Qty

14g

Bolt

2

15g

Knee Press Lifter Crank

1

16g

Knee Press Plate Rod

1

17g

Knee Press Plate Cover Joint

1

18g

Knee Press Plate

1

19g

Bolt

1

20g

Knee Lifter Tube Holder

1

21g

Knee Lifter

1

22g

Oil Pan Magnet

1

23g

Rubber Pad

2

24g

Rubber Cushion

2

25g

Tack

8

Note: When ordering parts for this component use the suffix “g”.

Note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts.

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

SKU 3914

Image 34 Contents
For technical questions or replacement parts, please call Single needle industrial Sewing MachineRead all instructions before using this Tool SpecificationsSafety Warnings Precautions Save This ManualFor technical questions, please call Sewing Safety Precautions Grounded Tools Tools with Three Prong Plugs GroundingExtension Cords Table a Unpacking25’ 50’ 75’ 100’ 150’ Assembly Mounting the Motor Bobbin Winder Assembly Aligning the PulleysAdjusting the Belt Tension Mounting the Thread Stand SKU For technical questions, please callOperation Installing the Belt CoversMounting the Bobbin Winder Moderate to slow speeds for the first 15 minutes of use Attaching the NeedleBobbin Winder Operation OFF PositionWith the thread Threading the Top Thread DetailAdjusting the Bobbin Thread Tension Adjusting the Stitch LengthAdjusting the Needle Thread Tension Raising the Presser FootAdjusting the Feed Timing Setting the Presser Foot PressureAdjusting Feed Dog Height Adjusting Needle-to-hook Timing Adjusting the Presser Bar Height Adjusting the Height of the Knee LifterMaintenance Adjusting Sewing Speed with Pulleys sold separatelyMotor Wiring Diagram ARM BED Parts List Part Description QtyARM 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