How are yoke and valve adjustments done on an E7?
Yoke and valve adjustments are done in two stages on E7 engines. Adjust the yoke clearance first, then adjust the valve lash. Make sure both adjustments are done in firing order sequence.
How to test the jake brake on a 1999 Mack E7?
Use the same wire and hold the wire to the connector while the engine is running this should activate the Jake and the engine will studder. Do this one head at a time. Try this before and after you readjust the Jakes to see if you can hear a difference. This is just a quick way to see if there is a difference with out a road test.
What’s the oil pressure on a Mack E7?
At idle, there is a small amout of oil coming from where the solenoids sit on the Jake brake housing (is this normal)? Oil pressure at operating temp and idle is about 20 psi, which is within spec. Any ideas would be greatly appreciated, please help me with this issue. BMT Certified Know-It-All!
Where are the flywheel markings on an E7 engine?
TYPICAL FLYWHEELS On a typical flywheel, the TC markings, and the valve adjustment markings, are directly in line with the clutch mounting bolt/bolt holes. To determine if the engine is equipped with a typical flywheel, view the flywheel through the timing access hole in the flywheel housing.
What should the exhaust valve clearance be on an E7?
Exhaust valve clearance is 0.024 inch (0.610 mm) for engines produced through engine serial No. 6F in April 1996 and 0.028 inch (0.711 mm) for engines produced after engine serial No. 6F in April 1996. 1. Place the proper thickness gauge between the rocker arm and yoke on the No. 1 cylinder. 2.
How to adjust spring tube valve on 1999 E7 310?
Adjust the yoke clearance first, then adjust the valve lash. Make sure both adjustments are done in firing order sequence. Manually rotate the engine in normal rotation direction until pointer in flywheel housing aligns with valves 1 and 6 mark on the flywheel and the No. 1 piston on the compression stroke.
How to set the valve lash on a 2000 e7-427?
Discussion in ‘ Mack Forum ‘ started by brian991219, Apr 18, 2016 . Does anyone have the procedure and specifications for setting valve lash on a 2000 E7-427 in a CX613 (Vision)?