Echo Brushcutter SRM2620U 2017 Flex Shaft Replacement

Written By: Carsten Frauenheim

Difficulty

Moderate

Steps

Time Required

15 - 45 minutes

Introduction

This guide shows how to remove and replace the flexible driveshaft (flex shaft) in an Echo SRM-2620U Brushcutter.

This procedure can also be used to access and re-grease the existing flex shaft. This device requires 15 ml (1/2 oz) of lithium-based grease.

Before you begin, ensure that the engine is powered down and cool to the touch.
Grip the plastic housing at the end of the spark plug wire and pull firmly to disconnect it.

This Echo device has an included multi-tool with a T30 Torx screwdriver, but any T30 Torx driver is compatible.
Use a T30 Torx driver to remove the locating screw from the gear case.
Use a T30 Torx driver to loosen, but not remove, the collar screw securing the main shaft to the gear case.

Wear gloves when handling and greasing the flex shaft.
Grip the flex shaft and pull to remove it from the shaft housing.
During reassembly, push the flex shaft into the shaft housing. Spin the flex shaft until the square head seats itself into the clutch fitting.

If you are re-greasing the existing flex shaft, wipe it clean with a shop towel or rag before reapplying grease.
During reassembly, coat the flex shaft with a thin coating of 15 ml (1/2 oz) of lithium-based grease.
Take care to not get any dirt or debris on the flex shaft.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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