Replacement Gear Set FUEBS3404 for Futaba S3051HV and S3071HV Servos  [FUEBS3404]

FUTABA S3051HV S3071HV SERVO GEAR SET AS4184 EBS3404
Price:
AUD$35.94
Brand:
Futaba
Model:
FUEBS3404
GTIN:
4513886306037
Condition:
Brand New
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Repair kit gears compatible with S3051HV and S3071HV

This Futaba FUEBS3404 gear set serves as a direct replacement for the Futaba S3051HV and S3071HV servos named in the product title. The overview targets practical fitment, workshop repair, and the tuning impact of refreshed gears.

Compatibility is declared by the title: the set corresponds to the S3051HV and S3071HV models. Replace the gears when wear, gear lash, or mechanical damage harms movement accuracy.

Installation commonly involves opening the servo shell, documenting gear order and orientation, and transferring bearings or spacers to the new gears before closing the unit. After installation, check spline alignment and full-range rotation to confirm correct mesh and freedom of movement; perform bench verification before refitting the servo into the model.

From a tuning perspective, new gears remove unpredictable backlash that can interfere with precise steering or throttle control. Perform a controlled bedding-in process and test under expected load to ensure consistent performance post-repair.

Specifications

  • Item: FUTABA S3051HV S3071HV Servo Gear Set
  • Model Number: FUEBS3404
  • Brand: Futaba
  • Compatibility: S3051HV, S3071HV

Choose this gear set to restore accurate mechanical response in the listed Futaba servos, and validate gear engagement and servo motion on the bench prior to full service use.

What is the best order to replace the gears?

Remove the cover and note the exact gear sequence and orientation. Replace gears one stack at a time, transfer any bearings or shims, then reassemble to the original layout to preserve timing and mesh.

How do I check for correct mesh after fitting?

Ensure splines seat fully and rotate the output shaft through its range while watching for binding. A small amount of lateral play is normal, but there should be no tight spots or gear skipping.

Should I adjust radio endpoints after changing gears?

Yes. New gears can change centring and backlash characteristics. After bench testing, reconfirm the servo centre and endpoints in your transmitter and adjust trims if needed.

Will this kit include extra hardware like screws?

The product is described as a gear set for the specified models; check the seller information to determine whether mounting screws or extra small parts are supplied with the kit.

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