Tajima TMLH Series: Essential Maintenance Schedule & Wear Parts Guide

1. Onloyo 507605030044 EF0618030000 Needle Retention Compression Spring 0.5mm for Tajima TMEG TMFD STNE TFKN STKN TFGN TCMX TMLH TLMX Embroidery Machines high likelihood

How to tell

Needles may not be held securely, leading to needle wobble, skipped stitches, or needles falling out. Visually inspect for deformation, breakage, or loss of tension.

Fix

1. Carefully remove the needle bar cap and needle clamp screw.
2. Remove the old, worn spring.
3. Insert the new spring into its proper position.
4. Reassemble the needle clamp and cap, ensuring the needle is held firmly but not overly tight.

Parts involved: Screws, springs & small parts →

2. Onloyo 050260010020 Rotary Hook Bobbin:Regular for Tajima TMLH TLMX TMCE TCMX Embroidery Machines high likelihood

How to tell

Poor stitch quality, frequent thread breaks (especially bobbin thread), loud noise from the hook area, or visible nicks, burrs, or excessive wear on the hook point or race. The bobbin case may also fit loosely or have excessive play.

Fix

1. Turn off the machine and remove the needle plate.
2. Carefully remove the bobbin case and inspect the hook for damage.
3. Loosen the hook set screws and remove the old rotary hook.
4. Clean the hook area thoroughly.
5. Install the new rotary hook, ensuring it's correctly timed according to your machine's manual (this is critical).
6. Replace the bobbin case and needle plate. Test with scrap material.

Proper timing of the rotary hook is crucial. Refer to your machine's service manual for exact timing procedures or consult a qualified technician if unsure.

Parts involved: Rotary hooks & bobbin cases →

3. Tajima 0C0220080000 EF0910000000 Spring Hook for TMEG TMFD STNE TFKN STKN TFGN TCMX TMLH TLMX high likelihood

How to tell

Thread snags, inconsistent tension, or thread breaks, particularly during color changes or trims. Visually inspect the spring hook for bending, burrs, or loss of spring tension.

Fix

1. Locate the spring hook on the thread path, often near the tension assembly.
2. Carefully remove the retaining screw or clip holding the old spring hook.
3. Install the new spring hook, ensuring it's oriented correctly.
4. Test thread path and tension.

Parts involved: Thread path & tension →

4. Tajima 516503010011 MX0521010000 Thread Guide Collar Ceramic Coil 1.8mm for TMEG TMFD STNE TFKN STKN TFGN TCMX TMLH TLMX medium likelihood

How to tell

Frequent thread breaks, especially at high speeds, or visible grooves/wear on the ceramic surface of the guide. The thread may feel rough when pulled through the guide.

Fix

1. Identify the worn ceramic coil thread guide.
2. Carefully remove any retaining screws or clips.
3. Replace with the new ceramic coil, ensuring it's securely fastened.
4. Thread the machine and test for smooth thread flow.

Parts involved: Thread path & tension →

5. Tajima 050320350000 Thread Block (FX0229000000, FN0203000000) for TMEG TMFD TMFX STNE TFKN STKN TFGN TMCE TCMX TMLH TLMX medium likelihood

How to tell

Inconsistent thread tension, looping, or frequent thread breaks. The thread block may appear worn, grooved, or have a rough surface where the thread passes through.

Fix

1. Locate the thread block on the machine's thread path.
2. Carefully remove the screws or fasteners holding the old thread block in place.
3. Install the new thread block, ensuring it is properly aligned.
4. Thread the machine and test the tension.

Parts involved: Thread path & tension →

6. Premium 2 Set Thread Sensor Wheel for Tajima TEHX, TFHX, TMLH, TEHX-C, TFGN & Toyota ESP9000, ESP9100 medium likelihood

How to tell

False thread break errors, or the machine failing to detect actual thread breaks. The sensor wheel may be visibly dirty, cracked, or have excessive play on its shaft.

Fix

1. Turn off the machine.
2. Locate the thread sensor wheel assembly.
3. Carefully remove the retaining screw or clip for the old wheel.
4. Clean any dust or lint from the sensor area.
5. Install the new thread sensor wheel, ensuring it spins freely.
6. Test machine operation with thread.

Parts involved: Sensors & switches →

7. Onloyo 0J2602300A23 TC Sensor Substrate Thread Break Sensor for Tajima TFKN, STKN, TFGN, TCMX, TMLH, TLMX, STKN-C medium likelihood

How to tell

Consistent false thread break errors, or the machine failing to detect actual thread breaks, even after cleaning the sensor wheel. This indicates a potential electronic failure of the sensor itself.

Fix

1. Turn off and unplug the machine.
2. Locate the TC sensor substrate (often behind the thread sensor wheel).
3. Carefully disconnect the wiring harness and remove any mounting screws.
4. Install the new sensor, ensuring all connections are secure.
5. Power on and test machine operation.

Parts involved: Sensors & switches →

8. Tajima Synchronous Belt 623500270000, 623500360000, 623500400000, 623500430000 for TFMX TMAR TMEZ low likelihood

How to tell

Skipped stitches, inconsistent registration, unusual noises (squealing, grinding), or the machine stopping with an error related to motor or head movement. Visually inspect belts for cracks, fraying, missing teeth, or excessive slack.

Fix

1. Turn off and unplug the machine.
2. Access the belt drive system (often requires removing covers).
3. Loosen tensioners and carefully remove the old belt.
4. Install the new belt, ensuring it's correctly seated on all pulleys.
5. Adjust belt tension according to the manufacturer's specifications (refer to your manual).
6. Replace covers and test machine operation.

Always refer to your specific TMLH model's service manual for correct belt tensioning procedures. Incorrect tension can lead to premature wear or machine damage.

Parts involved: Belts, pulleys & gears →

9. Onloyo 509179010000 EF0206000001 Oil-Bushing Bobbin Shaft Sleeve for Tajima TMEG, TMFD, STNE, TFKN, STKN, TFGN, TCMX, TMLH, TLMX low likelihood

How to tell

Excessive play or wobble in the bobbin shaft, unusual noise from the bobbin winder, or the bobbin winder failing to operate smoothly. This indicates wear in the bushing.

Fix

1. Turn off the machine.
2. Locate the bobbin winder assembly and identify the shaft sleeve.
3. Carefully disassemble the bobbin winder to access the worn bushing.
4. Remove the old bushing and press in the new oil-bushing bobbin shaft sleeve.
5. Reassemble the bobbin winder, ensuring smooth operation.
6. Lubricate as per manual.

Parts involved: Shafts, bearings & bushings →

10. Tajima 090420060017 Stopper Lower Dead Point Needle Bar Connecting Stud for TMEG TMFD TMFX STNE TFKN STKN STKN-C TFGN TMEX TEMX TEHX TEJT TMLH TLMX low likelihood

How to tell

Unusual knocking sounds from the needle bar area, inconsistent needle bar movement, or difficulty in setting needle bar depth. This part helps define the lower travel limit of the needle bar.

Fix

1. Turn off the machine.
2. Access the needle bar mechanism (often requires removing head covers).
3. Locate the stopper and connecting stud.
4. Carefully remove the old stud.
5. Install the new stud, ensuring it's properly seated and secured.
6. Verify needle bar movement and depth after replacement, referring to the manual for adjustment if necessary.

Parts involved: Head & mechanical parts →

11. Onloyo 502107010003 Stopper Collar 7.94mm Dia. for Tajima TMEG TMFD STNE TFKN STKN TFGN TCMX TMLH TLMX Embroidery Machines low likelihood

How to tell

Excessive play or movement in a shaft where this collar is used to limit travel or position. This part is typically used to secure components on a shaft. Inspect for looseness, damage, or slippage.

Fix

1. Turn off the machine.
2. Identify the shaft and component where the stopper collar is located.
3. Loosen the set screw on the old collar and remove it.
4. Clean the shaft area.
5. Install the new stopper collar, positioning it correctly and tightening the set screw securely.
6. Verify the component's stability and movement.

Parts involved: Shafts, bearings & bushings →