EGO ST1520 Power Trimmer St1520 Head Wont Spin
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85%
CONF
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Gear Case Assembly
The gear case houses the bevel gears responsible for transferring vertical shaft rotation to horizontal head rotation. Frequent impact or high-load operation can strip the gear teeth or shear the output shaft, resulting in a motor that runs without spinning the spool. This assembly is the standard surgical replacement for mechanical rotational failure.
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CHECK PRICE
#CommissionsEarned
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15%
CONF
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Switch Trigger Assembly
If the motor does not engage at all when the lock-off and trigger are depressed, the internal microswitch or physical trigger linkage has likely failed. This breaks the electrical signal to the motor controller, preventing any rotational output.
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CHECK PRICE
#CommissionsEarned
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DIY Repair Guide
Watch exactly how to replace the Gear Case Assembly.