Manuel d'utilisation / d'entretien du produit 3914 du fabricant Harbor Freight Tools
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SINGLE NEEDLE INDUSTRIAL SEWING MACHINE Model 3914 SET UP AND OPERA TING INSTRUCTIONS Visit our website at: http://www .harborfreight.com Read this material before using this product. Failure to do so can result in serious injury . SA VE THIS MANUAL. Copyright © 2005 by Harbor Freight T ools ® .
Page 2 For technical questions, please call 1-800-444-3353. SKU 3914 Save This Manual Y ou will need the manual for the safety warnings and precautions, assembly instructions, operating and maintenance procedures, parts list and diagram. Keep your invoice with this manual.
Page 3 For technical questions, please call 1-800-444-3353. SKU 3914 inhibit rust. Always lock up tools and keep out of reach of children. Use the right product for the job 5. . Do not attempt to force a small product or attachment to do the work of a larger industrial tool.
Page 4 For technical questions, please call 1-800-444-3353. SKU 3914 to supply the correct current to the tool without heating up. Otherwise, the extension cord could melt and catch re, or cause electrical damage to the tool.
Page 5 For technical questions, please call 1-800-444-3353. SKU 3914 GROUNDING TO PREVENT ELECTRIC SHOCK AND DEA TH FROM INCORRECT GROUNDING WIRE CONNECTION: Check with a qualied electrician if you are in doubt as to whether the outlet is properly grounded.
Page 6 For technical questions, please call 1-800-444-3353. SKU 3914 the required minimum cord size. (See T able A.) If you are using an extension cord 6. outdoors, make sure it is marked with the sufx “W-A” (“W” in Canada) to indicate it is acceptable for outdoor use.
Page 7 For technical questions, please call 1-800-444-3353. SKU 3914 ASSEMBL Y Sewing Machine Motor Power Switch Knee Lifting Arm for Presser Foot T able Stand and T op (not provided) Figure 1 The assembly instructions describe mounting the Single-Needle Sewing Machine (Model 03914) to the T able Stand (Model 03929), not included.
Page 8 For technical questions, please call 1-800-444-3353. SKU 3914 Knee Press Lifter Rod (2g) Oil Pan Magnet (22g) Oil Sight Window (1f) Figure 5 Hand Wheel (7b) 7. T ilt the machine back to expose the Oil Pan (1g). Insert the Knee Press Lifter Rod (2g).
Page 9 For technical questions, please call 1-800-444-3353. SKU 3914 Figure 7 Hand Wheel (7b) Sewing Machine Set Screws (8b) (One on each side of the Pulley) Belt (71j) Slot in T abletop for belt Main Shaft (32b) Bobbin Winder Assembly 3. Slide the Sewing Machine Hand Wheel (7b) onto the Main Shaft (32b) of the Sewing Machine.
Page 10 For technical questions, please call 1-800-444-3353. SKU 3914 REV 04c, 05d, 07g, 10b and turn it around. Move the belt by hand to verify that it is aligned and tracking correctly . Once you have the Pulleys aligned, 2. remove the Belt from the Sewing Machine Hand Wheel (7b), and tighten its Set Screws (8b).
Page 1 1 For technical questions, please call 1-800-444-3353. SKU 3914 Mounting the Thread Stand Figure 13 Thread Hanger (28i) Upper Spool Rest Rod (30i) Lower Spool Rest Rod (36i) Column Pipe Connector (33i) Spool Pins (40i) Note: The Thread Stand is designed to be mounted on the T able Stand Kit (Model 03929-sold separately).
Page 12 For technical questions, please call 1-800-444-3353. SKU 3914 Cap over the end of the Upper Spool Rest Rod. Mounting the Bobbin Winder The Bobbin Winder is used to wind thread onto the Bobbin (17h). It is mounted so that it contacts the Belt (71j) when needed for bobbin winding.
Page 13 For technical questions, please call 1-800-444-3353. SKU 3914 moderate to slow speeds for the rst 15 minutes of use. W ARNING: Shut the machine off completely before working around the needle or other moving parts. BASIC SETTINGS Y ou will need to make the following adjustments on a regular basis when using the machine.
Page 14 For technical questions, please call 1-800-444-3353. SKU 3914 Winding Thread Onto the Bobbin Thread Guide Hole (43i) Thread from Spool (not shown) Figure 20 Bobbin Winder Shaft (5i) Thread T ension Bracket (18i) T ension Discs (21i) Bobbin (17h) 1.
Page 15 For technical questions, please call 1-800-444-3353. SKU 3914 Figure 25 3 (detail) Thread T ension Discs (27a) Thread T ake-up Eyelet (1b) Thread T ake-up Cover (17a) Faceplate Thread Guide (3.
Page 16 For technical questions, please call 1-800-444-3353. SKU 3914 pulling it to the top of the machine. Pull both threads behind the Presser Foot, leaving at least 4” of excess thread.
Page 17 For technical questions, please call 1-800-444-3353. SKU 3914 Figure 29 Presser Foot Lever (18d) Raises Presser Foot Lowers Presser Foot 1. T o raise the Presser Foot, turn the Presser Foot Lever up. The Presser Foot will go up about 1/4” and stop.
Page 18 For technical questions, please call 1-800-444-3353. SKU 3914 Feed Lifting Shaft Crank (1e) Feed Bar Body Subassembly (4e) Bolt (2e) Figure 32 0.03”~0.033” ( ) 0.028”~0.031” ( ) 0.037”~0.041” ( ) 1. Loosen the Bolt (2e) of the Feed Lifting Shaft Crank (1e).
Page 19 For technical questions, please call 1-800-444-3353. SKU 3914 Adjusting the Presser Bar Height Figure 34 Rubber Plug (37a) & Presser Bar Set Screw (32d) 1. Remove and set aside the Rubber Plug (37a), and loosen the Presser Bar Set Screw (32d).
Page 20 For technical questions, please call 1-800-444-3353. SKU 3914 Adjusting Sewing Speed with Pulleys (sold separately) This machine is a fast running machine. It can be adjusted to a slower running machine by changing the pulley on the motor to a smaller diameter pulley .
Page 21 For technical questions, please call 1-800-444-3353. SKU 3914 MOT OR WIRING DIAGRAM REV 07g, 10b.
Page 22 For technical questions, please call 1-800-444-3353. SKU 3914 A - ARM BED P ARTS LIST Part Description Qty 1a Arm Bed Assembly 1 2a T ension Complete Subassembly 1 3a T ension Adjustment Knob .
Page 23 For technical questions, please call 1-800-444-3353. SKU 3914 A- ARM BED ASSEMBL Y DRA WING 46 Motor (DOL 12-Ha) (Not Shown).
Page 24 For technical questions, please call 1-800-444-3353. SKU 3914 B - MAIN SHAFT P ARTS LIST Part Description Qty 1b Thread T ake-up Eyelet 1 2b Needle Bar Crank 1 3b Set Screw 1 4b Bolt 1 5b O-Ri.
Page 25 For technical questions, please call 1-800-444-3353. SKU 3914 B - MAIN SHAFT ASSEMBL Y DRA WING REV 10b.
Page 26 For technical questions, please call 1-800-444-3353. SKU 3914 C- STITCH DRIVE P ARTS LIST Part Description Qty 1c Bolt 1 2c Rotating Hook Positioning Finger 1 3c Upright Shaft Lower Bushing 1 .
Page 27 For technical questions, please call 1-800-444-3353. SKU 3914 C - STITCH DRIVE ASSEMBL Y DRA WING.
Page 28 For technical questions, please call 1-800-444-3353. SKU 3914 D - PRESSER BAR P ARTS LIST Part Description Qty 1d Bolt 1 2d Bolt 1 3d Spring 1 4d W asher 1 5d W asher 1 6d Bolt 1 7d Snap Ring .
Page 29 For technical questions, please call 1-800-444-3353. SKU 3914 D - PRESSER BAR ASSEMBL Y DRA WING.
Page 30 For technical questions, please call 1-800-444-3353. SKU 3914 E - FEED CONTROL P ARTS LIST Part Description Qty 1e Feed Lifting Shaft Crank 1 2e Bolt 1 3e Bolt 1 4e Feed Bar Body Subassembly 1.
Page 31 For technical questions, please call 1-800-444-3353. SKU 3914 E - FEED CONTROL ASSEMBL Y DRA WING.
Page 32 For technical questions, please call 1-800-444-3353. SKU 3914 F - LUBRICA TION P ARTS LIST Part Description Qty 1f Oil Sight Window 1 2f Main Shaft Oil T ube 1 3f Oil Return T ube Holder 1 4f .
Page 33 For technical questions, please call 1-800-444-3353. SKU 3914 F - LUBRICA TION ASSEMBL Y DRA WING.
Page 34 For technical questions, please call 1-800-444-3353. SKU 3914 G - BASE ASSEMBL Y DRA WING AND P ARTS LIST Part Description Qty 1g Oil Pan 1 2g Knee Press Lifter Rod 1 3g Rubber Cushion 4 4g Ga.
Page 35 For technical questions, please call 1-800-444-3353. SKU 3914 H - ACCESSORIES P ARTS LIST AND ASSEMBL Y DRA WING Part Description Qty 1h Hinge 2 2h Hinge Cushion 2 3h T ack 4 4h Front Belt Cov.
Page 36 For technical questions, please call 1-800-444-3353. SKU 3914 I - BOBBIN WINDER & THREAD ST AND UNIT P ARTS LIST Part Description Qty 1i Base 1 2i Thread Winder Base Assembly 1 3i Wheel 1 .
Page 37 For technical questions, please call 1-800-444-3353. SKU 3914 I - BOBBIN WINDER & THREAD ST AND UNIT ASSEMBL Y DRA WING.
Page 38 For technical questions, please call 1-800-444-3353. SKU 3914 J - MOT OR P ARTS LIST Note: When ordering parts for this component use the sufx “j”. Note: Some parts are listed and shown for illustration purposes only , and are not available individually as replacement parts.
Page 39 For technical questions, please call 1-800-444-3353. SKU 3914 J - MOT OR ASSEMBL Y DRA WING.
Page 40 For technical questions, please call 1-800-444-3353. SKU 3914 LIMITED 90 DA Y W ARRANTY Harbor Freight T ools Co. makes every effort to assure that its products meet high quality and durabilit.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Harbor Freight Tools 3914 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Harbor Freight Tools 3914 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Harbor Freight Tools 3914, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Harbor Freight Tools 3914 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Harbor Freight Tools 3914, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Harbor Freight Tools 3914.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Harbor Freight Tools 3914. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Harbor Freight Tools 3914 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
