a – Bushing not available as spare part, use drive housing assy. 866880; b – End frame with sleeve, not available as spare part, use end frame assy. 866900; c – Bushing, not available as spare part, use drive housing assy. 866900; d – brush, not available as spare part, use brush holder assy. 866890; e – Spring, not available as spare part, use brush holder assy. 866890.