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Model Fit Guide
compatible with Part Number:
RedMax 511010601
Redmax PT104 and PT104 Plus Trimmer Head
Fits Models:
BC250-02/10 S/N KU40001 & UP
BC250-04/04 Engine Serial No. KU40001 and Up Date 04/04
BC250-05/08 Engine Serial No. KU40001 and Up Date 05/08
BCZ2400S-09/02 Engine Serial No. 200101 and Up Date 09/02
BCZ2401S-01/05 Engine Serial No. 50200101 and Up Date 01/05
BCZ2401S-01/06 Engine Serial No. 50200101 and Up Date 01/06
BCZ2401S-04/07 Engine Serial No.50200101 and Up Date 04/07
BCZ2401S-CA-04/07 Engine Serial No.50200101 and Up Date 04/07
BCZ2450S-10/08 S/N 90200101 & UP
BCZ2600S-01/03 Engine Serial No. 300101 and Up Date 01/03
BCZ2600S-01/05 Engine Serial No. 50100000 and Up Date 01/05
BCZ2600S-09/03 Engine Serial No. 300101 and Up Date 09/03
BCZ2600SU-01/03 Engine Serial No. 300101 and Up Date 01/03
BCZ2600SU-01/05 Engine Serial No. 50100000 and Up Date 01/05
BCZ2600SU-09/03 Engine Serial No. 300101 and Up Date 09/03
BCZ2600SW-01/03 Engine Serial No. 300101 and Up Date 01/03
BCZ2600SW-01/05 Engine Serial No. 50100000 and Up Date 01/05
BCZ2600SW-09/03 Engine Serial No. 300101 and Up Date 09/03
BCZ2601S-01/06 Engine Serial No. 60100101 and Up Date 01/06
BCZ2601SU-01/06 Engine Serial No. 60100101 and Up Date 01/06
BCZ2601SW-01/06 Engine Serial No. 60100101 and Up Date 01/06
BCZ2610S-03/08 S/N 70050101 & UP
BCZ2610S-CA-03/08 S/N 70050101 & UP
BCZ2610SU-03/08 S/N 70050101 & UP
BCZ2610SU-CA-03/08 S/N 70050101 & UP
BCZ2610SW-03/08 S/N 70050101 & UP
BCZ2610SW-CA-03/08 S/N 70050101 & UP
BCZ2650S-10/08 Engine Serial No.90200101 and Up Date 10/08
BCZ3000S-11/03 Engine Serial No. 300001 and Up Date 11/03
BCZ3000SW-11/03 Engine Serial No. 300001 and Up Date 11/03
BCZ3001S-01/10 S/N 300001 & UP
BCZ3001S-04/06 Engine Serial No. 60100101 and Up Date 04/06
BCZ3001S-04/07 Engine Serial No. 300001 and Up Date 04/07
BCZ3001S-CA-01/10 S/N 300001 & UP
BCZ3001S-CA-04/07 Engine Serial No. 300001 and Up Date 04/07
BCZ3001SW-01/10 S/N 300001 & UP
BCZ3001SW-04/06 Engine Serial No. 60100101 and Up Date 04/06
BCZ3001SW-04/07 Engine Serial No. 300001 and Up Date 04/07
BCZ3001SW-CA-01/10 S/N 300001 & UP
BCZ3001SW-CA-04/07 Engine Serial No. 300001 and Up Date 04/07
BCZ3050S-03/09 S/N 90200101 & UP
BCZ3050S-06/09 S/N 90200101 & UP
BCZ3050SW-03/09 S/N 90200101 & UP
BCZ3050SW-06/09 S/N 90200101 & UP
EX2-BC-03/06 Engine Serial No. 60100000 and Up Date 03/06
EXZ2401SBC-02/05 Engine Serial No. 50100000 and Up Date 02/05
EXZ2401SBC-04/07 Engine Serial No. 60100000 and Up Date 04/07
EXZ2401SBC-CA-04/07 Engine Serial No. 60100000 and Up Date 04/07
EXZ2450S-BC-07/09 S/N 60100000 & UP
TR2300S-08/05 S/N 51000101 & UP
TR2301S-03/08 Engine Serial No. 70100101 and Up Date 03/08
TR2301S-12/06 Engine Serial No. 70100101 and Up Date 12/06
TR2350S-04/10 S/N 90200101 & UP
TR2350S-12/08 Engine Serial No. 90200101 and Up Date 12/08
BCZ2460S - SN00400101 AND UP (2012-08)
BCZ2460TS - SN00400101
BCZ2460TS - SN00400101 AND UP (2014-04)
BCZ2610S - SN70050101 AND UP
BCZ2650S - SN91000101 AND UP (2012-08)
BCZ2660TS - SN00400101 AND UP (2012-08)
BCZ3001S - SN300001 AND UP
BCZ3001SW - SN300001 AND UP
BCZ3050S - SN91000101 AND UP (2012-08)
BCZ3050SW - SN91000101 AND UP (2012-08)
BCZ3050T - SN91000101 AND UP
BCZ3060TS - SN00400101 AND UP
BCZ3060TS - SN00400101 AND UP (2014-04)
EXZ2401S - SN60100000 AND UP
TR2350S - SN90801412 AND UP (2012-08)
BC225DL-08/01 Engine Serial No. 000101 and Up Date 08/01
BC225DL-12/00 Engine Serial No. 000101 and Up Date 12/00
BC2300DL-01/95 Serial No. None Date 01/95
BC2300DL-01/97 Engine Serial No. 660001 and Up Date 01/97
BC2300DL-03/94 Serial No. None Date 03/94
BC2300DL-05/95 Serial No. None Date 05/95
BC2300DL-07/99 Serial No. None Date 07/99
BC2300DL-08/98 Serial No. None Date 08/98
BC2300DL-09/01 Engine Serial No. 990639 and Up Date 09/01
BC2300DL-09/95 Engine Serial No. 514382 and Up Date 09/95
BC2300DL-10/00 Engine Serial No. 990639 and Up Date 10/00
BC2300DL-10/99 Engine Serial No. 990639 and Up Date 10/99
BC2300DL-11/99 Engine Serial No. 990639 and Up Date 11/99
BC2600DL-01/95 Serial No. None Date 01/95
BC2600DL-01/97 Engine Serial No. 660001 and Up Date 01/97
BC2600DL-05/95 Serial No. None Date 05/95
BC2600DL-07/99 Serial No. None Date 07/99
BC2600DL-08/98 Serial No. None Date 08/98
BC2600DL-09/01 Engine Serial No. 978729 and Up Date 09/01
BC2600DL-09/95 Engine Serial No. 507670 and Up Date 09/95
BC2601DL/S-10/99 Engine Serial No. 900101 and Up Date 10/99
BC262DL-03/94 Serial No. None Date 03/94
BCX2600S-04/00 Engine Serial No. 900101 and Up Date 04/00
BCX2600S-10/99 Engine Serial No. 900101 and Up Date 10/99
BCZ2400S-07/02 Engine Serial No. 200101 and Up Date 07/02
BCZ2500S-01/01 Engine Serial No. 28086 and Up Date 01/01
BCZ2500SU-01/01 Engine Serial No. 28086 and Up Date 01/01
BCZ2500SW-01/01 Engine Serial No. 28086 and Up Date 01/01
EXZ2500SBC-01/05 Engine Serial No. 50100000 and Up Date 01/05
EXZ2500SBC-03/01 Engine Serial No. 028086 and Up Date 03/01
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2."How do I load the string on a trimmer head?"
A:"To load string onto a trimmer head, first turn off the trimmer and remove the trimmer head if needed. Take out the spool and cut a length of trimmer line, typically 10-20 feet. Wind the string onto the spool in the direction indicated (usually clockwise), ensuring it is wound tightly and evenly. For dual-line spools, divide the string into two parts and wind each separately. After loading, reattach the spool to the trimmer head and thread the string through the eyelets. Finally, test the trimmer to ensure proper string feed."
3."Are there different types of trimmer heads for different brands?"
A:"Common types of trimmer heads include bump feed, auto-feed, manual feed, fixed line, plastic blade, and spool-less. Each type has its advantages, such as convenience, durability, or ease of use. Compatibility depends on the trimmer model, so it's essential to check your trimmer's specifications before purchasing a new head to ensure it fits correctly."
4."Why is the trimmer head not feeding line properly?"
A:"A trimmer head may fail to feed line properly due to several reasons, including clogged spools, incorrect line installation, damaged spools, or using the wrong line thickness. Other possible causes include issues with the trimmer's feed mechanism (such as bump feed or auto-feed), worn springs, overloading the spool with too much line, or a low power supply. To resolve the issue, inspect and clean the spool, ensure proper line installation, and check for any worn or damaged parts. Regular maintenance and using the correct line size can help prevent these problems."
5."Can I use a universal trimmer head for Echo/Stihl/Husqvarna?"
A:"While a universal trimmer head can work across different brands like Echo, Stihl, and Husqvarna, it’s crucial to check the compatibility with your trimmer's shaft size, mounting system, and line specifications."
6."What size string should I use with my trimmer head?"
A:"Check Your Trimmer’s Manual: Always refer to the manual for your specific model, as manufacturers may have different recommendations for line thickness.
Match the Line with the Job: Lighter, thinner lines (0.080" to 0.095") are good for regular grass trimming, while thicker lines (0.110" to 0.130") are better for tougher weeds or brush.
String Type: You can also choose between different types of string, like round, square, or twisted, depending on your needs. Square or twisted strings tend to cut more efficiently for heavy-duty use.
Always ensure the line size you choose is compatible with your trimmer head, as using too large of a string could cause feeding issues or damage."
7."Why does my trimmer head keep getting stuck?"
A:"A trimmer head can get stuck for several reasons, including clogged or jammed spools, worn or broken feed mechanisms, incorrectly loaded or overloaded trimmer line, and debris buildup. Other possible causes include a damaged spool spring, dirt in the mechanism, a faulty trimmer head, low power in cordless models, or using the wrong line type or thickness. Regular cleaning, proper line loading, and timely replacement of worn parts can prevent these issues. If the problem persists, some components may need to be replaced."
8."How do I maintain my trimmer head?"
A:"Regular cleaning after each use is essential, followed by checking the spool for damage and ensuring the trimmer line is properly loaded. Replacing worn or broken line, lubricating the moving parts, and inspecting the line feed mechanism are important tasks to avoid feed issues. Additionally, tightening bolts and screws, checking the head for wear, and replacing it when necessary will keep your trimmer in top condition."
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