REX F25A Series User manual

F25A Series
OPERATION MANUAL
PIPE THREADING MACHINE
Be sure to read this operation
manual before using the
machine.
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CONTENTS
,QWKLVRSHUDWLRQPDQXDOZDUQLQJVDUHGLYLGHGLQWRWARNINGDQGCAUTION
WARNING: LQGLFDWHVDFWLRQVWKDWFRXOGSRVVLEO\UHVXOWLQGHDWKRUVHYHUHLQMXU\WRWKHXVHULIWKHPDFKLQHLVXVHG
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CAUTION:LQGLFDWHVDFWLRQVWKDWFRXOGSRVVLEO\UHVXOWLQLQMXU\WRWKHXVHURUSK\VLFDOGDPDJHLIWKHPDFKLQHLV
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1
SAFETY CONSIDERATIONS
WARNING
1. Ensure you use the correct voltage.
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2 .Check the switch is OFF before inserting the plug into the power supply socket.
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3 . Avoid electric shock.
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4 . Be aware of the environment you are working in.
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5 . Use designated accessories and attachments.
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6 . In the following cases, turn the unit OFF and pull the plug out of the socket:
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7. If any abnormality is noticed, stop the machine immediately.
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8 . Keep the work site clean.
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9 . Do not let any unauthorised personnel near the machine.
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10 . Do not apply excessive force.
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11.Use the machine only for its designated purpose.
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12 .Wear proper working clothing.
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13 . Do not work in an unnatural posture.
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2
SAFETY CONSIDERATIONS
PRECAUTIONS WHEN USING F25A
Threading
WARNING
14 . Remove tools such as wrenches.
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15 .Operate the unit with great care.
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16 . Do not handle the power cord carelessly.
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17. Perform careful maintenance daily.
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18 .Check for damaged parts.
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19 . Store carefully when the machine is not in use.
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2 0 . For overhaul and repair of the machine, ask an appointed REX agent.
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WARNING
1.Take care when handling the blades.
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2 . Do not put your hands or face near rotating parts when the machine is in use.
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3 . Do not start on the next job while the machine is still rotating.
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4 . Do not wear gloves when operating the machine.
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5 . Do not leave the machine while it is still rotating.
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3
PRECAUTIONS WHEN USING F25A
Using the pipe cutter
WARNING
6 . If you accidentally drop or hit the machine, carefully check for damage, cracks,
deformities or any abnormalities.
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7. Do not touch the dies or scrap just after threading.
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8 . Die head and dies.
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9 . Be sure to check the starting position before threading.
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10 . Use the pipe support when threading long pipes.
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11. Be sure to attach accessories according to the operation manual.
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12 . Precautions when using the machine with an oil tray.
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CAUTION
1. When cutting pipes, turn the cutter handle no faster than ½ a rotation for each
rotation of the pipe.
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2 . Do not leave the machine unattended while it is still rotating.
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WARNING
1. Changing parts with blades, sharp edges, etc.
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2 .Use a pipe support when threading long pipes.
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3 . Do not put your hands or face near rotating parts when the machine is in use.
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4 . Do not wear gloves when operating the machine.
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4
PRECAUTIONS WHEN USING F25A
Reaming
WARNING
Reamer blades are very sharp; to prevent injury, avoid touching them with bare hands.
Handling thread cutting oil
CAUTION
1. Wear goggles.
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2 .Wear protective gloves.
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3 .Take care not to breathe in oil mist or steam.
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4 . Do not thin the oil or mix it with threading oil produced by other companies.
5 . If water gets mixed in with the threading oil and the colour changes to a milky white or
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6 . Do not drink the oil.
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7. Do not place the oil where it can easily be reached by small children.
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9 . Storage.
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10 . Drums (200L).
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WARNING
1. Do not burn off the oil.
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2 . Handling waste oil and waste cans.
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Pipe
CAUTION
1. Do not use highly deformed or damaged pipes as doing so may lead to poor, if not
unusable, threads.
2 .When threading stainless steel pipes use pipes with a wall thickness equivalent to
Schedule 40 or more.

5
MAIN PARTS
7DEOH
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7DEOH
7DEOH
7DEOH
7DEOH
STANDARD SPECIFICATIONS
STANDARD ACCESSORIES
OPTIONS
Die head
Dies
APPLICATIONS
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0RWRUVLQJOHSKDVH ,QSXW:2XWSXW:VHULHVPRWRUZLWKEUDNH
5RWDWLRQVSHHG  PLQ-1 XQORDGHG
1HWZHLJKW  NJ
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MAIN PARTS, STANDARD SPECIFICATIONS, ACCESSORIES,
OPTIONS AND THEIR APPLICATIONS
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Dies  ò  ô ´    ´  2QHVHWHDFK ò -ô´´2QHVHWHDFK+66
3LSH&XWWHU Pipe cutter 3LSHFXWWHU+66
&XWWLQJRLO 0L\DJDZD:  5FDQ / 0L\DJDZD6:  5FDQV /
+H[DJRQDONH\V  PP PPHDFK
0DQXDO'+ %637137 ó  ´ &  %637 ó  ´ %6: Ǫ  ô´137 ó  ´ 1360 ½ ´
6HOIRSHQLQJ'+ %637137 ó  Ǫ´, ½  ´
&XWWHUZKHHOV )RUVWHHODQGVWDLQOHVVVWHHOSLSHV
For steel pipe
%637 ó  Ǫ´, ½ - ô´´
137 ó  Ǫ´, ½ - ô´ , 1´
1360 ½ - ô´, 1´
)RU&RQGXLWV & &   &  
)RU%ROWV %6: : Ǫ : ½: ǫ : ô
%DVH
+DPPHUFKXFN
+DQGOH &XWWHU
&XWWHUKDQGOH
'UDLQSOXJ
&DUULDJH
+DQGOHORFNSLQ
5HDUFKXFN
5HDPHU
&DUULDJHKDQGOH 0RWRULQVLGH
6ZLWFK

For stainless steel pipe
Water washable
Miyagawa 100SW-R 16L/4L
Miyagawa 50W-R 16L/4L
General use
Miyagawa 246-R 18L/4L
AB
)LJ
)LJ
)LJ
)LJ
Genuine REX thread cutting oil
1. Transportation (Fig. 2)
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SRVLWLRQZLWKWKHFXWWHUDQGPRYHWKHPDFKLQH
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KDQGOHLVVHFXUHG
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CAUTION
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2. Setting up (Fig. 3)
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(YHQZKHQSODFHGRQDÀDWVXUIDFHWKHUHDUFKXFNRIWKHPDFKLQH
LVGHVLJQHGWREHLQDVOLJKWO\UDLVHGSRVLWLRQ
CAUTION
,IWKHUHDUFKXFNLVWRRORZRLOZLOOÀRZRXWRIWKHSLSHPDNLQJWKH
ÀRRUGLUW\DQGZDVWLQJRLO
3. Cutting oil (Fig. 4)
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)RUVWDLQOHVVVWHHOSLSHXVHRQO\0L\DJDZD6:5%ODFNFDQ
:DWHUZDVKDEOH0L\DJDZD:5%OXHFDQ
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4. Attaching and removing the die head (Fig. 5)
Removing the die head
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Attaching the Die head
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GETTING READY / OPERATION GUIDE
+DQGOH
5HDUFKXFN
WRRORZ
×OK OK
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WRFP
KLJKHUDWUHDU
FKXFNHQG
Position
when moved
Working position
+DQGOHORFNSLQ
'LHKHDG
post
/RFNVFUHZ


)LJ
)LJ
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5. Self-opening Die Head
GETTING READY / OPERATION GUIDE
How to adjust the thread cutting size
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Replacing the dies
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Main Parts
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6LOYHU
&DPSODWH
KDQGOH
&DPSODWHKDQGOH
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Die head position pins
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Dies 4
Dies 1
Dies 3
Dies 2