When to measure valve lash and injector height?
Note: On engines equipped with a Jake Brake®, measure valve lash and injector height before removing any brake housings. Only remove the brake housings necessary to provide access for adjustment.
How big is the LS fuel injector in a truck?
ENGINE PART # INJECTOR SIZE LH9 12613411 36 lb/hr @ 58 psi LS2 Truck 12569113 89017586 34 lb/hr @ 58 psi L76 Truck 12580681 30 lb/hr @ 58 psi LFA 12580681 30 lb/hr @ 58 psi
How tall is a DDEC Series 60 fuel injector?
FUEL INJECTOR HEIGHTS Models: 6067TKXX, 606XPKXX, 606XGKXX (1997-98 DDEC IV and later 1997 DDEC III) FUEL INJECTOR HEIGHTS Models: 6067EKXX, 606XBKXX, 606XMKXX, 606XLKXX, 606XHKXX, 606XFKXX (1998 & 1999 DDEC IV)
What happens if you fail to measure injector height?
Failure to measure valve clearances and injector heights at the required initial period and make necessary adjustments may result in gradual degrading of engine performance and reduced fuel combustion efficiency. Table 2. Measurement/Adjustment Period
When to do valve lash adjustment on Cummins?
2003-2011 CUMMINS CR VALVE LASH ADJUSTMENT NOTE: To obtain accurate readings, valve lash measurements AND adjustments should only be performed when the engine coolant temperature is less than 60° C (140° F). The 24–valve overhead system is a “low- maintenance” design.
How to adjust the valves and set the fuel injector Heights?
When setting valve lash clearance or injector height, always set them to the dimension listed in Table 12-2. Adjust the valves and set the fuel injector heights as follows: 1. Disconnect starting power for engine. 2. Remove the engine valve rocker cover as outlined.
How to adjust intake valve height and torque?
Figure 4. Intake Valve Adjustment Loosen the locknut, and turn the adjusting set screw until the feeler gage produces an even smooth pull between the valve stem and valve button. Torque the locknut to 41 – 47 N·m (30 – 35 lb·ft) and remove the feeler gage.