Quick view Add to Cart Overhaul Instructions for Inverter Change-Over Relays Document Part Number: T.O. No. 8R2-7-3, Formerly 03-5-109 Number of pages: 8Part Number: T.O. No. 8R2-7-3, Formerly 03-5-109Revision Date: 1-July-1955Description: Mfg By: Cook / Models: 650-1099, 650-1175, 650-1740, 650-1800, and 650-4018 MSRP: Was: Now: $15.00