This article covers changing from grass trimmer to brush cutter and from brush cutter to grass trimmer.
TABLE OF CONTENTS
- For the GDB30B, do the following
- Changing from Grass Trimmer to Brush Cutter
- For the RG415, do the following
There are two types of Qualcast petrol brush-cutters: 1. GDB30B, 2. RG415 - 495409
For the GDB30B, do the following:
Changing from Grass Trimmer to Brush Cutter
- Align the slot (C) in the flanged washer (D) with the slot (B) in the gear head (A).
- Place the hex wrench (K) through the slots in the flanged washer (D) and gear head (A) to lock them together.
- Unscrew the grass trimmer head assembly (F) by hand in clockwise direction.
- Remove the cupped washer (E) and flanged washer (D) and then retain it for the blade installation.
- Place the flanged washer (D) over the gear head shaft (G) with the hollow side toward the gear head (A).
- Center the blade (H) on the flanged washer (D), making sure the blade fits flat and the raised hub of the flanged washer goes through the hole in the blade.
- Install the cupped washer (E) with the raised centre away from the blade.
- Place the blade nut (I) onto the gear head shaft (G).
- Place the hex wrench (K) through the slots in the flanged washer (D) and gear head (A) to lock the heads rotation while tightening the nut.
- Install the blade nut (I) by turning it counterclockwise (left handed threads).
- Tighten the blade nut (I) securely by wrench (J).
- To change from the brush cutter to the grass trimmer, please follow the instructions in reverse order.
For the RG415, do the following:
- Hold the flange with an allen key.
- Unscrew the nut at the bottom clockwise, which will allow you to take off the blade.
- Remove another shield-layer.
- Still holding onto the flange, fit the strimmer-cutting head onto the shaft.
- Rotate anti-clockwise until it screws fully in place.
- Remove allen key.
- To put the blade back on, remove the strimmer-cutting head and place the shield-washers, the same way you took them off.
Anti-clockwise to tighten the bottom nut^. Make sure to keep the upper flange in place with the allen-key whilst doing this.