Instruction/ maintenance manual of the product 03914 Harbor Freight Tools
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SEWING MACHINE - SINGLE NEEDLE SEWING MACHINE - SINGLE NEEDLE SEWING MACHINE - SINGLE NEEDLE SEWING MACHINE - SINGLE NEEDLE SEWING MACHINE - SINGLE NEEDLE ASSEMBL Y AND OPERA TING INSTR UCTIONS 3491 Mission Oaks Blvd., Camarillo , CA 93011 Visit our W eb site at http://www .
Page 2 SKU 03914 Specifications I TEM DESC R IP TI O N M achi ne T ype Heavy duty , indust ri al s e w ing m achi ne; hi gh speed, si ngl e needle - lock st itch Dr ive V - bel t dr i ven Ac tion F oot pedal operation, al ong wit h a knee and m anual li fting ar m for pr es ser fo ot .
Page 3 SKU 03914 5. Use the right product f or the job . Do not attempt to force a small product or attachment to do the work of a larger industr ial tool. There are cer tain applications f or which this product was designed. It will do the job better and more safely at the r ate f or which it was intended.
Page 4 SKU 03914 17. Use proper size and type extension cord . If an extension cord is required, it must be of the proper size and type to supply the correct current to the tool without heating up . Otherwise, the extension cord could melt and catch fire, or cause electrical damage to the tool.
Page 5 SKU 03914 Assembly The assembly instructions describe mounting the Single-Needle Sewing Machine (Model 03914) to the T ab le Stand (Model 03929), not included. In order to complete this procedure, you m ust first purchase and assemble the T able Stand Kit (Model 03929).
Page 6 SKU 03914 6. Fit the machine head to the table rubber hinges (F) bef ore placing the machine head on the corner seats. See figure 4. 7. Tilt the machine back to e xpose the Oil Pan (D). See figure 5. 8. Fill the Oil P an with sewing machine lubrication oil (#7 white oil) to the “high” mar k “A”.
Page 7 SKU 03914 13. Mount the P o wer Switch under the tab le top , on the operator’ s side . Use the supplied hardware. P ower Switch Mounting the Thread Stand Note: The Thread Stand is designed to be mounted on the T able Stand Kit (Model 03929-not included).
Page 8 SKU 03914 Mounting the Bobbin Winder Note: Unless indicated otherwise, all par ts referred to in this set of instructions are listed in the Bobbin Winder & Thread Stand Unit P ar ts List f ound on page 28. During assembly , it will be helpful to ref er to that list and the diagram that follows it on page 29.
Page 9 SKU 03914 Figure D a b c d Attaching the Needle 1 . Unplug the P o w er Cord from the electrical outlet. 2 . Select a proper needle size according to the thread count and type of material being sewn. 3 . T ur n the Hand Wheel until the needle bar reaches the highest point of its stroke.
Page 10 SKU 03914 Threading the Machine Head Set the thread spool on its holder and guide the thread through the machine as illustrated below . The numbers in the illustration indicate the threading sequence .
Page 11 SKU 03914 Changing the Thread T ake-up Spring Stroke and Pressure 1 . Loosen Set Screw (2). 2 . T o increase the stroke , turn the T ension Knob Screw (3) clockwise (A). 3 . T o decrease the stroke , tur n the T ension Knob Screw (3) countercloc kwise (B).
Page 12 SKU 03914 3 . T o delay the f eed timing in order to increase stitch tightness, mo v e the Feed Eccentric Cam down (counterclockwise). Adjusting the Height of the Feed Dog The Feed Dog is factory adjusted so that it juts out from the Throat Plate surf ace 0.
Page 13 SKU 03914 Adjusting the Presser Bar Height 1 . Loosen Set Screw (1) and manually adjust the Presser Bar height, and the angle of the Presser Foot. 2 . After adjusting, securely tighten the Set Screw (1). Adjusting the Thread T ake-up Stroke 1 .
Page 14 SKU 03914 Ref. Amt. No. Pa rt No . Description Req. ARM BED P ARTS LIST.
Page 15 SKU 03914 PLEASE READ THE FOLLO WING CAREFULL Y THE MANUF A CTURER AND/OR DISTRIBUT OR HAS PR O VIDED THE P AR TS DIA GRAM IN THIS MANU AL AS A REFERENCE TOOL ONL Y .
Page 16 SKU 03914 Ref. Amt. No. Pa rt No . Description Req. MAIN SHAFT THREAD T AKE-UP P ARTS LIST.
Page 17 SKU 03914 MAIN SHAFT THREAD T AKE-UP ASSEMBL Y DRA WING.
Page 18 SKU 03914 Ref. Amt. No. Pa rt No . Description Req. F ABRIC--PIERCING HOOK DRIVING P AR TS LIST.
Page 19 SKU 03914 F ABRIC--PIERCING HOOK DRIVING ASSEMBL Y DRA WING.
Page 20 SKU 03914 Ref. Amt. No. Pa rt No . Description Req. PRESSER B AR P AR TS LIST.
Page 21 SKU 03914 PRESSER B AR ASSEMBL Y DRA WING.
Page 22 SKU 03914 Ref. Amt . No. Pa r t No. Description Req. FEED MECHANISM P ARTS LIST.
Page 23 SKU 03914 FEED MECHANISM ASSEMBL Y DRA WING.
Page 24 SKU 03914 Ref. Am t. No. Pa r t No. Description Req. LUBRICA TION P ARTS LIST.
Page 25 SKU 03914 LUBRICA TION ASSEMBL Y DRA WING.
Page 26 SKU 03914 Ref. Am t. No. Pa r t No. Description Req. OIL RESER V OIR & KNEE LIFTER ASSEMBL Y DRA WING AND P AR TS LIST.
Page 27 SKU 03914 Ref. Am t. No. Pa rt No . Description Req. MA CHINE HEAD A CCESSORIES P AR TS LIST AND ASSEMBL Y DRA WING.
Page 28 SKU 03914 Ref. Am t. No. Pa rt No . Description Req. BOBBIN WINDER & THREAD ST AND UNIT P AR TS LIST REV 03/04.
Page 29 SKU 03914 BOBBIN WINDER & THREAD ST AND UNIT ASSEMBL Y DRA WING REV 03/04.
An important point after buying a device Harbor Freight Tools 03914 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Harbor Freight Tools 03914 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Harbor Freight Tools 03914 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Harbor Freight Tools 03914 you will learn all the available features of the product, as well as information on its operation. The information that you get Harbor Freight Tools 03914 will certainly help you make a decision on the purchase.
If you already are a holder of Harbor Freight Tools 03914, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Harbor Freight Tools 03914.
However, one of the most important roles played by the user manual is to help in solving problems with Harbor Freight Tools 03914. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Harbor Freight Tools 03914 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
