IV GENERAL INFORMATION FORD TRUUK PARTS SECTION GROUP und BASIC NUMBERS For greater convenience this catalog is divided into sections to conform with the Master Parts Catalogs Section Numbers are related to group numbers as follows z l 3E iE 10 1000 1999 Wheel Parts 20 2000 2999 Brake Parts The Text Catalog is divided into sections also and like parts are shown under similar section numbers in both the Text and Illustrations catalogs Illustrations contain basic group numbers only therefore it is necessary to refer to the basic group within the Text Catalog listing for complete applicable part number Some basic numbers include an alphabetical character in addition to the numerical digits shown in the charts on page VI In the Text Catalogbasic numbers expanded by an alphabetical character follow the numerical basic numbers from which they are expanded and are listed in the manner shown below 2140 Cylinder assy Brake Master 2A140 Tube Brake Booster to Tee Refer to Pages VI thru D for more information on Ford group and basic part numbers PROCEDURE FOR USING CATALOG Following is a recommended procedure for using this catalog Should an inquiry be received for a front hub assembly for a 1956 C 600 cab forward model use the following steps A Refer to the section and page designated on the cover or in the General Index for Wheels The designated page is I B On the designated page 1 is an index of various Wheels Hubs and Drums C Refer to Page XIII of the General Information Section for the Catalog Symbol Codes for the various truck series Use Code WH as shown for Series C 600 D On Page 1 locate the applicable illustration for 1956 Front Wheels and Related Parts for Model WH E Refer to illustration on Page 6 and identify the proper part which will show the group number as 1104 F Refer to Group 1104 in the Text Catalog Form FD 9460 and locate the years 1956 in the column headed Year Refer then to the column headed Model for WH which indicates a C 600 cab forward The part number will be shown as B4T 1104 B