Section I. ROCKER ARM MAINTENANCE

TM-5-3810-306-20 Container Crane 40-Ton Rough Terrain Model RTB75CC Manual
Page Navigation
106

TM 5-3810-306-20 Section I. ROCKER ARM MAINTENANCE VALVE ADJUSTMENT TOOLS: General mechanic’s tool kit: automotive (5180-00-177-7033) SUPPLIES: None EQUIPMENT CONDITIONS: Disconnect ground cable at shunt. (Refer to page 8-109.) Valve cover removed. (Refer to page 4-4.) ADJUSTMENT: NOTE Check or set valves while engine is cold or cool enough to touch. 1. LOCATE TOP DEAD CENTER (TDC) FOR CYLINDER NUMBER 1. a. Bar engine with 1/2 inch breaker bar, until Number 1 cylinder is at top dead center. b. Ensure top dead center pin engages in camshaft gear housing. c. Disconnect pin when top dead center is located. 2. ADJUST VALVES INDICATED FOR STEP A (I = INTAKE; E = EXHAUST). a. Loosen locknut (1). Loosen or tighten adjustment screw (2) until a slight resistance is felt when feeler gauge (3) is slipped between valve stem (4) and rocker lever (5). Tighten locknut to 18 ft- lbs (24 Nm) then recheck clearance. b. Adjust intake valve clearance to .012 inch (.30 mm). c. Adjust exhaust valve clearance to .024 inch (.61 mm). 4-2

Privacy Statement
Press Release
Contact