Tag Archives for valve
Engine Valve Stem “Use Again” Specifications
All Caterpillar Engines The current Guideline For Reusable Parts “Valves and Valve Spring Specifications,” Form SEBF8034-03 has some “use again” minimum valve stem diameters that are different from those in Form SEBF8034-02. The metric “use again” minimum valve stem diameters … Continue reading
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures
All Engines This article is a reprint of an earlier article which was in Engines News, January 18, 1978. According to field reports, some customers have had problems with damage to engine valve components during operation in very cold temperature … Continue reading
New Cast Iron Valve Guide And New Exhaust Valve With Chrome Plated Stem Will Help Prevent Early Hour Exhaust Valve Sticking
Description of Change: New cast iron valve guides and new exhaust valves with chrome plated stems are used in these commercial engines. The new threaded bore cast iron valve guides replace the former smooth bore powder metal valve guides. The … Continue reading
3116 and 3126 Truck Engines Crankshaft Positions For Valve Lash Setting
3100 HEUI Diesel Truck Engine Cylinder And Valve Location
3116 and 3126 Truck Engines Problem Little Or No Valve Lash
Probable Cause(s): * Worn Valve Seat Or Face Of Valve 1. Worn valve seat or face of valve: Reconditioning of cylinder head is needed. Check and make necessary adjustments as per Testing and Adjusting Section of the Service Manual. Problem … Continue reading
3116 and 3126 Truck Engines Problem Too Much Valve Lash
Probable Cause(s): * End Of Stem Worn Or Rocker Arm Contact Surface Worn * Worn Push Rods * Broken Or Worn Valve Lifter * Worn Lobes On Camshaft * Not Enough Lubrication 1. End of valve stem worn or rocker … Continue reading
3116 and 3126 Truck Engines Problem Valve Train Noise
Probable Cause(s): * Too Much Valve Lash * Damage To Valve Springs, Locks, Push Tube Or Worn Valve Lifter * Not Enough Lubrication * Damage To Valves * Damage To Camshaft 1. Too much valve lash: Check and make necessary … Continue reading
3100 HEUI Diesel Truck Engine Valve System Components
Valve System Components (1) Rocker arm. (2) Spring. (3) Valve. (4) Push rod. (5) Lifter. (6) Camshaft lobe. The valve system components control the flow of inlet air and exhaust gases into and out of the cylinders during engine operation. … Continue reading
3116 and 3126 Truck Engines Engine Oil Cooler Bypass Valve – Remove and Install
Removal Procedure Illustration 1 g00629979 Illustration 2 g00629985 1.Remove plug (1) and the O-ring seal from the engine oil cooler. 2.Remove valve spring (2) and bypass valve (3) from the engine oil cooler. Installation Procedure Illustration 3 g00629985 Illustration 4 … Continue reading
3116 and 3126 Truck Engines Valve Mechanism Cover – Remove and Install
Valve Mechanism Cover – Remove and Install Removal Procedure Illustration 1 g00820158 1.Remove the bolts that hold valve mechanism cover (1) to valve mechanism cover base (2) . 2.Remove the seal from the valve mechanism cover. Installation Procedure Illustration 2 … Continue reading