TABLE OF CONTENTS
1. INTRODUCTION ----·-·--·-·---·-··-·-·--·-·--- |
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1.1 PRODUCT DESCRIPTION |
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1.2 IDENTIFICATION · · · ············ ···· ····· ················ ·········· 1 |
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1.3 WARNINGS ············································2 |
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1.4 ILLUSTRATIONS AND COMPONENTS |
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2. |
UNPACKING PROCEDURE |
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3. |
PREPARATION ·········· ········ ············ ········ ··· 5 |
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3.1ELECTRICAL REQUIREMENTS · · ··· · · · ······ ······--····-····· ····· 5
3.2WORK AREA ··················-·············-············5
3.3LUBRICATION ······· ············· · ···········--·-·----·-·--·----···-· 5
3.4CONSUMABLES · ····· ····· ··· ·············· ·-···········-·· ··· ··· 5
3.5THREADING THE MODEL F3DDA ································6
3.6THREAD TENSION ·······································6
4.OPERATING THE MODEL F300A PORTABLE ······················7···
5.MAINTENANCE, REPLACEMENT AND ADJUSTMENTS ········ ···9
5.1ROUTINE MAINTENANCE ········· ···· ··· ···· · · · ····· ···· ·· · · ·9
5.2LUBRICATION · ·· ··· ······· · · · · · ······· · · ··· ···· ··· · ·· · · 9
5.3DRIVE BELT ··········································10
5.4FEED DOG · ·· ···································· ······ ···· ··11
5.5KNIFE; THREAD ·· ············ ·············· ···· ··· ··· · ····· · · ·12
5.6LOOPER ··············································13
5.7MOTOR BRUSHES ···············································15
5.8NEEDLE · ····· ······· ·· ···· ··· ············ ···· ····· ····· ·······- 15
5. 9 PRESSER FOOT PRESSURE ·· ······ ··· ···· ···· ·-····-······ ····· ·· 18
5.10THROAT PLATE ········· ··· ···· ················· ············ ··· ··19
6.QUALITY CONTROL ····································20····
7.TROUBLESHOOTING ········································21
8.SAFELY DISPOSING OF A MODEL F300A PORTABLE ·-·-·----···-22··-
From the Library of Superior Sewing Machine & Supply LLC
1.3WARNINGS
•The model F300A series portable sewing machines are driven by strong motors, contain moving parts and have pinch points and sharp edges. Therefore, a certain amount of technical knowledge and familiarity with this type of equipment are required to operate and maintain the system. Proper eye, hand and foot protection must be worn while working with the F300A sewing machines.
•The model F300A sewing machines are hand held machines; therefore, care must be taken to provide proper handling and operation of the machines and protection from the drive components.
•Read the manual carefully before making any changes to the model F300A.
•Always use genuine YAO HAN spare parts (Including YAO HAN lubricating oil). Our parts are specifically designed for YAO HAN equipment to provide optimum performance and safety.
Use of non-YAO HAN parts can also void product warranty.
•Let the machine do the work. Do not pull the bag or the materials through It.
•Consult YAO HAN concerning your specific application and sewing needs.
•The model F300A machines are not suitable to operate in area where explosive materials are present (explosive gas, vapors, powders, dust or liquids).
•Frequently clean the machine to prevent accumulation of dust. Do this to prevent accumulation of material that may cause a fire or malfunction.
•Any sources of leaks of the machine'slubricating oil reservoir or pump must be repaired Immediately to prevent posslble contamination of the product being packed and safety hazards around the system.
•Do not use aggressive cleaning products as they may damage the seals.
•When in doubt about operation, troubleshooting and maintenance of the model F300A, consult your local YAO HAN representative.
Other specific warnings appear throughout this manual.
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From the Library of Superior Sewing Machine & Supply LLC
2. UNPACKING PROCEDURE
Each machine is packed in a corrugated box with padding surrounding it. which is designed to protect the unit during normal shipping, storage and handing. It is then taped shut. Before the unit Is unpacked, Inspect the box for any signs of damage incurred during shipping. After the unit is unpacked, inspect the machine for damage. If possible, record any suspected shipping damage with a digital or Polaroid camera. Report anything missing or any damages in writing to the shipper and your model F300A serial number and model number and record these numbers for future reference and on your warranty card.
3. PREPARATION
3.1ELECTRICAL REQUIREMENTS
The portable Is wired at the factory for the voltage specified when ordered. Customers are required to supply Incoming electrical connections. SO 12/4 (12 AWG/4 wire)
(3Gl .0mm,220-400V) is recommended.
CAUTION: Be sure machine is connected to building electrical ground.
Follow National Electrical Code (NEC) and any local electrical codes during use.
3.2WORK AREA
The model F300A machine should be operated in an area that allows freedom of motion for the operator and the unit. The machine's Input end at the feed dog works quickly and the output end near the thread knife (or thread and tape knife) Is very, sharp.
Other operators should keep out of arm"s reach from the area in which the machine works.
Operators should always wear proper eye protection when operating this machine and not wear loose clothing or jewelry. Long hair should be pulled back and tied to avoid getting caught In the machine.
3.3LUBRICATION
Note: Always use genuine YAO HAN #22 TELLUS OIL.
The model F300A is shipped with a small amount of YAO HAN lubricating oil (#22) already In the oil reseNolr and a separate container of oil. [see Machine Illustration, page 3). The machine Is equipped with a manual oiling system. The reseNolr and pump must have a clean supply of oll at all times. The oil level can be viewed through the clear end of the reseNoir. Prior to operating the machine, fill the reseNoir with the provided oil and press the button on the pump four (4) times to lubricate the moving parts. This will dispense the correct amount of oll for an average four hours of operation. Apply oil from the pump every four [4) hours of operation.
3.4CONSUMABLES
YAO HAN lubricant oil (#22 TELLUS OIL) YAO HAN sewing thread:
•Cotton (200-220 grams)
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From the Library of Superior Sewing Machine & Supply LLC
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