Quick view Add to Cart Overhaul Instructions for Heywood Air Compressor, Pressure Relief and Regulating Valves Document Part Number: T.O. No. 03-1-6 Number of pages: 50Part Number: T.O. No. 03-1-6, Chapter 8 Part BRevision Date: 20-Dec-1944Description: Manufactured By: Eclipse for Type 972 Model 3 Style A Compressors and Type 1014 & 1232 Valves MSRP: Was: Now: $28.86