TM 9--2815--247--34 0075 00--1 MECHANICAL DRIVE HOUSING ASSEMBLY REPAIR 0075 00 THIS WORK PACKAGE COVERS: Inspection, Repair INITIAL SETUP: Tools and Special Tools General mechanic’s tool kit (item 19, WP 0103 00) Outside micrometer caliper set (item 9, WP 0103 00) Inside micrometer caliper set (item 10, WP 0103 00) Equipment Conditions Engine on maintenance stand (WP 0056 00) Camshaft, drive gears, and associated parts removed (WP 0076 00) Inspection 1.   Inspect housing (1) for cracks or damage. Refer to WP 0012 00. 2.   Inspect studs (2) and screw thread inserts (3). Refer to WP 0012 00. 3.   Measure inside diameter (4) of bearing surface in housing (1) against the following limits. REF NO. POINT OF MEASUREMENT SIZES AND FITS OF NEW PARTS inches (mm) WEAR LIMITS 4 Inside diameter of bearing surface in camshaft gear housing 2.5000 (63.5) 2.5010 (63.5254) 2.5015 (63.5381) Figure 10 1 2 3 4