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Table of contents for the manual
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Page 1
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 .harborfreight.com Cop yright © 2003 by Harbor F reight T ools ® . All rig[...]
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Page 2
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 . Pres s er ten si on adjus tm ent S ew ing Thi ckness 5/ 16 i nc[...]
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Page 3
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. Do not modify this product and do not use[...]
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Page 4
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. This tool requires use of an e xtension cord with up t[...]
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Page 5
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). 1. Locate f our cor ner rests in the rectangular hole of the T ab le Sta[...]
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Page 6
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”. Add more oil when the le vel is to the[...]
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Page 7
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). Unless indicated otherwise , all par ts referred to in this set of instructions are l[...]
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Page 8
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. 20. Remov e the Belt Cov er ([...]
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Page 9
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. 4 . Loosen Screw (2) and hold needle (1) with its inden[...]
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Page 10
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 . Adjusting the Stitch Length 1 . T o increase the stitch length, tur n the Stitch Length Dial (1) to the desired number (in millimeters) as i[...]
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Page 11
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). 4. Loosen Set Screw (2) and pull out the T ension Arm (5). 5. Loosen Set Screw (4) an[...]
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Page 12
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 0.8 mm to 0.9 mm. If the Feed Dog juts out too much, puc ker- ing may result when se w[...]
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Page 13
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 . When sewing heavy weight materials, mov e the Thread Guide (1) to the left (A) to increase the le[...]
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Page 14
Page 14 SKU 03914 Ref. Amt. No. Pa rt No . Description Req. ARM BED P ARTS LIST[...]
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Page 15
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 . NEITHER THE MANUF ACTURER NOR DISTRIBU- T OR MAKES ANY REPRESENT A TION OR W ARRANTY OF ANY KIND TO THE BUYER THA T HE OR SHE IS QU ALIFIED TO MAKE ANY REP AIRS TO THE PRODUCT[...]
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Page 16
Page 16 SKU 03914 Ref. Amt. No. Pa rt No . Description Req. MAIN SHAFT THREAD T AKE-UP P ARTS LIST[...]
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Page 17
Page 17 SKU 03914 MAIN SHAFT THREAD T AKE-UP ASSEMBL Y DRA WING[...]
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Page 18
Page 18 SKU 03914 Ref. Amt. No. Pa rt No . Description Req. F ABRIC--PIERCING HOOK DRIVING P AR TS LIST[...]
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Page 19
Page 19 SKU 03914 F ABRIC--PIERCING HOOK DRIVING ASSEMBL Y DRA WING[...]
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Page 20
Page 20 SKU 03914 Ref. Amt. No. Pa rt No . Description Req. PRESSER B AR P AR TS LIST[...]
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Page 21
Page 21 SKU 03914 PRESSER B AR ASSEMBL Y DRA WING[...]
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Page 22
Page 22 SKU 03914 Ref. Amt . No. Pa r t No. Description Req. FEED MECHANISM P ARTS LIST[...]
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Page 23
Page 23 SKU 03914 FEED MECHANISM ASSEMBL Y DRA WING[...]
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Page 24
Page 24 SKU 03914 Ref. Am t. No. Pa r t No. Description Req. LUBRICA TION P ARTS LIST[...]
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Page 25
Page 25 SKU 03914 LUBRICA TION ASSEMBL Y DRA WING[...]
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Page 26
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[...]
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Page 27
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[...]
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Page 28
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[...]
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Page 29
Page 29 SKU 03914 BOBBIN WINDER & THREAD ST AND UNIT ASSEMBL Y DRA WING REV 03/04[...]