Makita GA4030K Troubleshooting iFixit
A Makita angle grinder released in June of 2010. Model number GA4030K. Skip to main content. Menu. ... Makita GA4030K Troubleshooting . A Makita angle grinder released in June of 2010. Model number GA4030K. ... Overworking the tool may also cause the armature to break by burning out the windings (the copper wires in the armature).