TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download

Table 6-34. Camshafts and Drives Overhaul Standards Component Camshafts Camshafts Upper cam- shaft drive quill bevel gear- shafts Camshaft drive quills Camshaft drive quills Camshaft end plate Fig No. — B-5 B-4 B-4 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-5 B-26 B-26 B-5 B-5 B-5 B-5 Ref. letter L X X-L N Q Q-N M K G G-K B F F-B C E E-C A D D-A UU UU-A J H H-J Point of measurement Outside diameter of journal on camshaft Inside diameter of camshaft bearing in cylinder Fit of journal in bearing Maximum out-of-round of camshaft journal (full indicator reading) Maximum runout of center journal when supported on end bearing (full indicator reading) Outside diameter of camshaft pilot bearing at end plate Inside diameter of split bushing-type bearing in camshaft end plate Fit of camshaft pilot in end plate bushing-type bearing Camshaft lobe lift Outside diameter of large journal on end of camshaft Inside diameter of bearing surface in camshaft gear housing Fit of journal in bearing Outside diameter of hub on gearshaft Inside diameter of bore in upper adapter Fit of hub in adapter bore Inside diameter of hub on gearshaft Outside diameter of upper oil transfer plug Fit of plug in hub Inside diameter of quill (both ends) Spherical outside diameter of upper oil transfer plug Fit of upper quill plug in quill bore Spherical outside diameter of lower oil transfer plug Fit of lower quill plug in quill bore Outside diameter of oil seal Inside diameter of camshaft end plate Fit of oil seal in end plate bore Sizes and fits of new Parts 1.3090 1.3100 1.3120 1.3130 0.0020L 0.0040L 0.0010 0.0020 1.3090 1.3100 1.3120 1.3130 0.0020L 0.0040L 0.4030 0.4090 2.4965 2.4975 2.5000 2.5010 0.0025L 0.0045L 1.6220 1.6230 1.6250 1.6260 0.0020L 0.0040L 1.2710 1.2720 1.2700 1.2705 0.0005L 0.0020L 0.6295 0.6305 0.6275 0.6280 0.0015L 0.0030L 0.6275 0.6280 0.0015L 0.0030L 1.5010 1.5050 1.4990 1.5000 0.0010T 0.0060T Note. Refer to paragraph 6-3b for explanation of symbols. Table 6-35. Camshaft Drive Housing and Cover Plate Standard and Oversize Stud Identification Fig. No. B-5 B-5 Ref. No. 29 40 Setting height 1-5 / 32 3/4 No. req’d 8 4 Wear limits 1.3085 1.3135 0.0050L 0.0020 0.0150 * * * 0.4000 2.4960 2.5020 0.0065L 1.6210 1.6270 * * * * 0.6320 0.6265 0.0060L 0.6265 0.0060L * * * Stud size Length 3 / 8-16 (15 / 16) x 3 / 8-24 (13 / 16) x 1-15 / 16 (STD) (0.003 in. OS) (0.007 in. OS) (0.012 in. OS) 1 / 4-20 (19 / 32) x 1 / 4-28 (21 / 32) x 1-5 / 16 (STD) (0.003 in. OS) (0.007 in. OS) (0.012 in. OS) Note. Refer to figure 6-1 for oversize stud d. Assembly. Refer to figures 6-213 through 6- identification. 207. 6-180