Harbor Freight Tools 3914 operating instructions Lubrication Parts List

Page 32
REV 10b

F - LUBRICATION PARTS LIST

Part

Description

Qty

1f

Oil Sight Window

1

2f

Main Shaft Oil Tube

1

3f

Oil Return Tube Holder

1

4f

Oil Pump Installing Base

1

5f

Lubrication Oil Pump Subassembly

1

6f

Oil Pump Screen

1

7f

Bushing

1

8f

Impeller

1

9f

Lubrication Oil Pump

1

10f

Oil Return Pump Plunger

1

11f

Bolt

1

12f

Spring

1

13f

Gasket

1

14f

Cover

1

15f

Bolt

1

16f

Washer

1

Part

Description

Qty

17f

Bolt

1

18f

Bolt

1

19f

Oil Pump Throughway

1

20f

Rubber Joint

1

21f

Oil Pump Brace

1

22f

Bolt

1

23f

Gasket

1

24f

Oil Tube

1

25f

Bolt

1

26f

Spring

1

27f

Oil Return Tube Holder

1

28f

Oil Return Tube Plate

1

29f

Oil Return Tube Holder

1

30f

Bolt

1

31f

Oil Return Clamp

1

32f

O-Ring

1

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

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

Page 32

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

SKU 3914

Image 32 Contents
For technical questions or replacement parts, please call Single needle industrial Sewing MachineSpecifications Safety Warnings PrecautionsRead all instructions before using this Tool Save This ManualFor 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 Bobbin Winder Assembly Aligning the PulleysAdjusting the Belt Tension Mounting the Thread Stand SKU For technical questions, please callMounting the Bobbin Winder Installing the Belt CoversOperation Attaching the Needle Bobbin Winder OperationModerate to slow speeds for the first 15 minutes of use OFF PositionWith the thread Threading the Top Thread DetailAdjusting the Stitch Length Adjusting the Needle Thread TensionAdjusting the Bobbin Thread Tension Raising the Presser FootAdjusting Feed Dog Height Setting the Presser Foot PressureAdjusting the Feed Timing 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