ENGINE MAINTENANCE. (cont) - TM-5-3805-261-34

ENGINE MAINTENANCE. (cont) - TM-5-3805-261-34_114

ENGINE MAINTENANCE. (cont) - TM-5-3805-261-34_116

TM-5-3805-261-34 Grader Heavy Road Motorized (Caterpillar Model 130 G) Manual
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TM 5-3805-261-34 ENGINE MAINTENANCE. 3-7. Timing Gears and Plate. (Sheet 6 of 9) INSTALLATION NOTE Before installing gear (3, Figure 3-19), No. 1 piston must be at top center (TC) of com- pression. Perform steps 10 through 25 to insure proper timing. 10. Loosen two clamps (15, Figure 3-29). 11. Remove bolt (16), washer (17) and breather (18) from valve cover. 12. Remove plug (19, Figure 3-30) from flywheel housing. CAUTION Do not turn crankshaft counterclockwise. 13. Turn crankshaft clockwise (as seen from front of engine) until a 3/8-16NC bolt at least 2-5 inches long can be installed in flywheel through plug (19) hole in flywheel housing. 14. Observe rocker arms for No. 1 piston through breather hole (18) in valve cover. Check if both rocker arms can be moved backward and forward by hand. 15. If 3/8-16NC bolt is installed and both rocker arms move freely, the No. 1 piston is at top center of compression stroke. 16. If both rocker arms cannot be moved by hand, the No. 1 piston is not at top center of compression stroke. Remove 3/8-16NC bolt. 17. Turn crankshaft clockwise 360 degrees (one full turn). Go to Sheet 7 Figure 3-19. Figure 3-29. Figure 3-30. 3-43

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