Camshaft and Timing Gear Train Inspection/Replacement Heat gear to approximately 150 o C (300 o F). 1. Check camshaft side gap using a feeler gauge. IMPORTANT: Be sure thrust plate is not between camshaft gear and camshaft shoulder while installing gear. Install thrust plate if removed. Install gear with timing mark “C” side toward press table. Align slot in gear with key in shaft. Press camshaft into gear until gear is tight against camshaft shoulder. Thrust plate must spin freely on camshaft. 1 Camshaft Side Gap: Standard . . . . . . . . . . . . . . . . . 0.05 - 0.15 mm . . . . . . . . . . . . . . . . . . . . .(0.0020 - 0.0060 in.) Wear Limit. . . . . . . . . . . .
0.40 mm (0.016 in.) If side gap is at wear limit, remove gear and replace thrust plate. 3. Inspect camshaft for bend using v-blocks and a dial indicator. Turn camshaft slowly and read variation on indicator. If variation is greater than 0.02 mm (0.001 in.) , replace camshaft. 2. Inspect gear for chipped or broken teeth. Replace if necessary. To remove/replace gear: Remove gear from camshaft using a knife-edge puller and a press. Dial Indicator Camshaft Central Bearing Areas V-Block M82291A 4. Measure camshaft lobe height.
4/7/95 1-57 AllTractorManuals.com Ca T Side Gap Ca mshaft Gear T hrust Plate Key Camshaft Gea Thrust Plate r M82068A Camshaft Gea r CAUTION DO NOT heat oil over 182° C (360° F). Oil fumes or oil can ignite above 193° C (380° F). Use a thermometer. Do not allow a flame or heating element to come in direct contact with the oil. Heat the oil in a well-ventilated area. Plan a safe handling procedure to avoid burns.