TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
Page 234 of 1563
TM 9-2815-220-24 INTAKE AND EXHAUST VALVE TIMING PROCEDURE 0035 00 TIMING CHECK (Continued) 1. Turn crankshaft until valves (7,8) are closed and camshaft lobes (9) are pointing towards cylinder base as shown. 9 8 7 NOTE Standard intake valve clearance is set to 0.010 inch (0.254 mm); when checking valve timing, this clearance is increased to 0.100 inch (2.54 mm). 2. Adjust intake valve (8) clearance for timing check (0.100 inch, or (2.54 mm). a. Loosen intake valve adjusting screw lock nut (10). b. Turn valve adjusting screw (11) until clearance between valve adjusting screw pad (12) and valve stem is 0.100 inch using thickness gauge blade (13) (item 57, WP 0176). Gauge blade must move through clearance with a slight drag. c. Check position of valve adjusting screw pad (12) to make sure seat is flat on valve stem. d. Torque lock nut (10) to 200-225 inch-pounds (22.6-25.4 N•m) after correct adjustment is made. Make certain setting has not changed after tightening lock nut (10). 8 13 12 10 11 WP 0035 00-4