How is timing gear to bull gear measured?
How is timing gear to bull gear measured?
Crankshaft Timing Gear-To-Bull Gear Lash Measurement Adjust the stem of the dial indicator to rest on the center of a tooth on the bull gear. Preload the bull gear. Zero the dial indicator pointer. Hold the crankshaft timing gear stationary with one hand.
Where are the timing marks on a Detroit Diesel engine?
The camshaft gear assembly must be in time with the crankshaft timing gear. Since there are three gears between them, timing marks have been stamped or etched on the face of the crankshaft timing gear and bull gear to facilitate correct gear train timing.
Where is the timing gear located on the crankshaft?
The crankshaft timing gear, pressed onto the front end of the crankshaft, directly drives the bull gear and oil pump drive gear, and indirectly (through the bull gear), drives the fuel pump drive gear, air compressor and power steering pump drive gear, accessory pulley drive gear and water pump drive gear.
How to troubleshoot Series 60 Detroit Diesel engine?
Hold the crankshaft timing gear stationary, and rotate the oil pump drive gear in one direction, as far as it will go, without moving the crankshaft timing gear. Zero the dial indicator. Move the oil pump drive gear in the opposite direction, as far as it will go, without moving the crankshaft timing gear. Read and record the total gear lash.
Crankshaft Timing Gear-To-Bull Gear Lash Measurement Adjust the stem of the dial indicator to rest on the center of a tooth on the bull gear. Preload the bull gear. Zero the dial indicator pointer. Hold the crankshaft timing gear stationary with one hand.
The camshaft gear assembly must be in time with the crankshaft timing gear. Since there are three gears between them, timing marks have been stamped or etched on the face of the crankshaft timing gear and bull gear to facilitate correct gear train timing.
How to check the camshaft timing of a diesel engine?
Flowchart for Repair or Replacement of Gear Train and Engine Timing – Part 3 of 3 When an engine is out of time, the camshaft timing can be checked by following the camshaft timing check procedure. Refer to “1.28.6.1 Testing of Camshaft Timing for Diesel Engines” .
The crankshaft timing gear, pressed onto the front end of the crankshaft, directly drives the bull gear and oil pump drive gear, and indirectly (through the bull gear), drives the fuel pump drive gear, air compressor and power steering pump drive gear, accessory pulley drive gear and water pump drive gear.
