IBM 4247-003 Maintenance Manual - Page 457

Chapter 6. Parts Catalog How To Use This Parts Catalog v SIMILAR ASSEMBLIES: If two assemblies contain a majority of identical parts, they are broken down on the same list. Common parts are shown by one index number. Parts peculiar to one or the other of the assemblies are listed separately and identified by description. v AR: (As Required) in the Units column indicates that the quantity is not the same for all machines. v NP: (Non-Procurable) in the Units column indicates that the part is non-procurable and that the individual parts or the next higher assembly should be ordered. v NR: (Not Recommended) in the Units column indicates that the part is procurable but not recommended for field replacement, and that the next higher assembly should be ordered. v PP: (Parts Packet) This entry in the Description column indicates that a parts packet contains one or more of these parts. v NS: (Not Shown) in the Asm-Index column indicates that the part is procurable but not shown on the associated art. The description identifies the part. v R: (Restricted) in the Units column indicates that the part has a restricted availability. v INDENTURE: The indenture is marked by a series of dots located before the parts description. The indenture indicates the relationship of a part to the next higher assembly. For example: Indenture (No dot) Relationship of Parts MAIN ASSEMBLY (One dot) v Detail parts of a main assembly (One dot) v Subassembly of the main © Copyright IBM Corp. 1995, 2001 457