TM 10-3930-660-34 3-18.  CAMSHAFT, CAMSHAFT GEAR, AND CAMSHAFT BUSHING - REPLACE (Cont’d) DISASSEMBLY 1. USE A PRESS TO PUSH GEAR (4) FROM CAMSHAFT (3). 2. REMOVE KEY (6) FROM CAMSHAFT. 3. USE CROCUS CLOTH TO REMOVE ALL BURRS AND SMOOTH ANY ROUGH SURFACES ON THE CAMSHAFT THAT COULD HAVE BEEN CAUSED BY GEAR REMOVAL. CLEANING See Cleaning Instructions, para. 2-10. INSPECTION 1. INSPECT CAMSHAFT BUSHING AND CAMSHAFT BORES IN CYLINDER BLOCK. a.   Inspect camshaft bushing and camshaft bores for burrs, scoring, grooves, and pitting. b.   Measure front camshaft bushing I.D. Acceptable range is 2.1295 to 2.1314 in. NOTE If intermediate and rear camshaft bores have service bushings installed, the I.D. dimension must be within the tolerance specified above in step b. c.   Measure intermediate and rear camshaft bores I.D. Acceptable bore I.D. range is 2.1295 to 2.1314 in. If bores are worn beyond this specification, the block must be machined and service bushings installed, or the block must be replaced. Refer to Depot level maintenance. NOTE If new valve tappets are being installed, the camshaft and camshaft bushing must be replaced 3-113