BLS174HV/BLS174SV Gear Kit for Futaba Servos - FUEBS3411  [FUEBS3411]

FUTABA BLS174HV BLS174SV SERVO GEAR SET AS4189 EBS3411
Price:
NZD$17.38
Brand:
Futaba
Model:
FUEBS3411
GTIN:
4513886306334
Condition:
Brand New
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Replacement Gears for Futaba BLS174 Series

This gear set serves as an RC-grade replacement for Futaba BLS174HV and BLS174SV servos, identified by part number FUEBS3411 and associated with AS4189 and EBS3411 codes. It is intended to replace worn gear trains and restore mechanical transmission inside the unit.

Guidance here stresses correct fitment and workshop procedure rather than boosting performance. During replacement keep the original bearing and spacer arrangement, check gear alignment, and confirm the correct case orientation to prevent gear binding.

After installation, inspect for backlash and confirm the spline and horn engagement align properly before subjecting the servo to load. This component is strictly a model repair item for hobby RC servos.

How long will these replacement gears last under hobby use?

Lifespan varies with load and environment; inspect gears periodically for tooth wear or cracking and replace when play or noise appears to avoid further damage.

What wear signs should prompt gear replacement?

Look for rounded or chipped teeth, excessive backlash, grinding noise, or irregular rotation; any of these indicate it is time to install new gears.

Do I need to reuse original bearings and spacers?

Yes. Preserve the original bearing and spacer positions during reassembly to maintain correct gear spacing and prevent binding.

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