Camshaft
发动机每一侧都有一个凸轮轴。 3508 凸轮轴由五个轴承支承。 3512 凸轮轴由七个轴承支承。 3516 凸轮轴由九个轴承支承。 每一个凸轮轴都由发动机后端的齿轮驱动。
凸轮轴必须与曲轴正时合拍。 凸轮轴凸轮与曲轴位置的关系使每一缸的气门和单体喷油器能够在正确的时间进行操作。
Caterpillar Information System:
3500B and 3500B High Displacement Generator Set Engines Crankshaft
621G Wheel Tractor-Scraper Ether Starting Aid Cylinder - Replace
924G and 924GZ Wheel Loaders Machine Systems Window Wiper and Wiper Motor (Front) - Remove and Install
3408E and 3412E Engines for Caterpillar Built Machines CID 0190 FMI 03 Engine Speed open/short to + batt
621G Wheel Tractor-Scraper Plate Locations and Film Locations
D8R Series II Track-Type Tractor Pivot Shaft Oil Level - Check
3408E and 3412E Engines for Caterpillar Built Machines CID 0175 FMI 04 Engine Oil Temperature short to ground
623G Wheel Tractor-Scraper Plate Locations and Film Locations
3408E and 3412E Engines for Caterpillar Built Machines CID 0175 FMI 03 Engine Oil Temperature open/short to +batt
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0174 FMI 04 Fuel Temperature short to ground
3114, 3116 and 3126 MUI Engine Governors Throttle Lever (Types IV, V, VI, VII, and Some III) - Install
621G Wheel Tractor-Scraper Model View Illustrations
3516B Generator Set Engines with Dynamic Gas Blending Electrical System Operation
621G Wheel Tractor-Scraper Fan Drive Bearing and Belt Tightener - Lubricate
D8R Series II Track-Type Tractor Transmission System Oil Level - Check
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0190 FMI 02 Loss of Engine Speed Signal
D8R Series II Track-Type Tractor Winch Control - If Equipped
637G Wheel Tractor-Scraper Fan Drive Bearing and Belt Tightener - Lubricate
D8R Series II Track-Type Tractor Window Washer Reservoir - Fill - If Equipped
Procedure for Field Replacement of the Fuel Tank Sender on D8R Track-Type Tractors That Are Equipped With a Cab{1273} Procedure for Field Replacement of the Fuel Tank Sender on D8R Track-Type Tractors That Are Equipped With a Cab{1273}
D8R Series II Track-Type Tractor Window Wipers - Inspect/Replace - If Equipped
627F Wheel Tractor-Scraper Operation Information
3408E and 3412E Engines for Caterpillar Built Machines CID 0190 FMI 07 Primary Speed Sensor misinstalled
621G Wheel Tractor-Scraper Parking Brake