Table of Contents
Advertisement
Quick Links
SEWING MACHINE - SINGLE NEEDLE
SEWING MACHINE - SINGLE NEEDLE
SEWING MACHINE - SINGLE NEEDLE
SEWING MACHINE - SINGLE NEEDLE
SEWING MACHINE - SINGLE NEEDLE
Assembly AND OPERATING INSTRUCTIONS
Visit our Web site at http://www.harborfreight.com
Copyright © 2003 by Harbor Freight Tools
this manual or any artwork contained herein may be reproduced in any shape
or form without the express written consent of Harbor Freight Tools.
For technical questions and replacement parts, please call 1-800-444-3353
3491 Mission Oaks Blvd., Camarillo, CA 93011
03914
®
. All rights reserved. No portion of
Advertisement
Table of Contents
Related Manuals for Harbor Freight Tools 3914
Summary of Contents for Harbor Freight Tools 3914
- Page 1 Copyright © 2003 by Harbor Freight Tools this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools. For technical questions and replacement parts, please call 1-800-444-3353 03914 ®...
-
Page 2: Specifications
Store idle equipment. When not in use, tools must be stored in a dry location to inhibit rust. Always lock up tools and keep out of reach of children. SKU 03914 Specifications DESCRIPTION Heavy duty, industrial sewing machine;... - Page 3 16. Do not operate tool if under the influence of alcohol or drugs. Read warning labels if taking prescription medicine to determine if your judgment or reflexes are impaired while taking drugs. If there is any doubt, do not operate the tool. SKU 03914 Page 3...
- Page 4 Note that the machine table shown is not included, and must be ordered separately. If any parts are missing or broken, please call Harbor Freight Tools at the num- ber on the cover of this manual as soon as possible.
- Page 5 Presser Foot The assembly instructions describe mounting the Single-Needle Sewing Machine (Model 03914) to the Table Stand (Model 03929), not included. In order to complete this procedure, you must first purchase and assemble the Table Stand Kit (Model 03929).
- Page 6 Tilt the machine back to expose the Oil Pan (D). See figure 5. Fill the Oil Pan with sewing machine lubrication oil (#7 white oil) to the “high” mark “A”. Add more oil when the level is to the “low” mark “B”. After lubrication, and during operation, oil splashing can be seen through the Oil Sight Window (H).
- Page 7 (30). Insert a Screw (31) and Nut (47) through the Hanger as explained in the note in step 14, above. Tighten the Screw and place the Column Cap (29) over the end of the Upper Spool Rest Rod (30). SKU 03914 Page 7 Power Switch...
- Page 8 Wood Screws (26) and Washers (27). Leave the Screws just loose enough to allow the Base to slide. Swing the Sewing Machine back into it’s operating position. Put the Bobbin Winder in the ‘OFF’ position-see OFF Position, below.. Slide the Bobbin Winder Assembly close to the belt until it just barely doesn’t touch it (...
- Page 9 “B”. By doing so, the thread will pass under the tension spring and exit at notch “B”. Verify that the Bobbin rotates in the direction of the arrow when thread “C” is pulled. SKU 03914 Page 9 Figure C Figure D...
- Page 10 Turn Tension Adjustment Knob (1) counterclockwise (B) to decrease thread tension. Adjusting the Bobbin Thread Tension Turn the Tension Adjustment Screw (2) clockwise (A) to increase bobbin tension. Turn the Tension Adjustment screw (2) counterclockwise (B) to decrease bobbin tension. SKU 03914 Page 10...
- Page 11 Loosen Set Screws (2) and (3) on the Feed Eccentric Cam (1) and properly position the Eccentric Cam. Retighten the Set Screws. To advance the feed timing in order to prevent uneven material feed, move the Feed Eccentric Cam up (clockwise). SKU 03914 Page 11...
- Page 12 This clearance is less than 1/64” (almost touching). Securely tighten the three Set Screws. If the clearance is too small, the tip of the hook will be abraded. If it is too large, it will lead to skip over. SKU 03914 Page 12...
- Page 13 This can be manually checked by turning the Hand Wheel. Machine adjustments should only be performed by a qualified technician. Check the oil level weekly when the machine is used daily. Add sewing machine oil as required to the high level marking.
- Page 14 Ref. Part No. SKU 03914 ARM BED PARTS LIST Description Page 14 Amt. Req.
- Page 15 SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO. SKU 03914 Page 15...
- Page 16 MAIN SHAFT THREAD TAKE-UP PARTS LIST Ref. Part No. SKU 03914 Description Page 16 Amt. Req.
- Page 17 MAIN SHAFT THREAD TAKE-UP ASSEMBLY DRAWING SKU 03914 Page 17...
- Page 18 FABRIC--PIERCING HOOK DRIVING PARTS LIST Ref. Part No. SKU 03914 Description Page 18 Amt. Req.
- Page 19 FABRIC--PIERCING HOOK DRIVING ASSEMBLY DRAWING SKU 03914 Page 19...
- Page 20 Ref. Part No. SKU 03914 PRESSER BAR PARTS LIST Description Page 20 Amt. Req.
- Page 21 PRESSER BAR ASSEMBLY DRAWING SKU 03914 Page 21...
- Page 22 FEED MECHANISM PARTS LIST Ref. Part No. SKU 03914 Description Page 22 Amt. Req.
- Page 23 FEED MECHANISM ASSEMBLY DRAWING SKU 03914 Page 23...
- Page 24 Ref. Part No. SKU 03914 LUBRICATION PARTS LIST Description Page 24 Amt. Req.
- Page 25 LUBRICATION ASSEMBLY DRAWING SKU 03914 Page 25...
- Page 26 OIL RESERVOIR & KNEE LIFTER ASSEMBLY DRAWING AND PARTS LIST Ref. Amt. Part No. Description Req. SKU 03914 Page 26...
- Page 27 MACHINE HEAD ACCESSORIES PARTS LIST AND ASSEMBLY DRAWING Ref. Part No. SKU 03914 Description Page 27 Amt. Req.
- Page 28 BOBBIN WINDER & THREAD STAND UNIT PARTS LIST Ref. Part No. SKU 03914 Description Page 28 Amt. Req. REV 03/04...
- Page 29 BOBBIN WINDER & THREAD STAND UNIT ASSEMBLY DRAWING SKU 03914 Page 29 REV 03/04...
Need help?
Do you have a question about the 3914 and is the answer not in the manual?
Questions and answers
Please provide more details on repositioning the Tension Knob Assemby. My machine broke a needle, and in trying to reset the feed dogs, the Tension Knob Assemby also came out. Please help….THANK YOU!!!
To reposition the Tension Knob Assembly on the Harbor Freight Tools machine with part number 3914:
1. Loosen Set Screw (2).
2. To increase the stroke, turn the Tension Knob Screw (3) clockwise.
3. To decrease the stroke, turn the Tension Knob Screw (3) counterclockwise.
4. Loosen Set Screw (2) again and pull out the Tension Arm.
This answer is automatically generated