CUMMINS N14 - BASE ENGINE COMPONENTS SPECIFICATIONS - SECTION 7

Base Engine Components Specifications - Section 7
Valve & Injector Adjustment Limits (STC
Engines) 7-04
• STC Injector Preload (Top Stop) 0.56-0.68 N•m 5-6 in-lb
• STC Injector Preload (OBC) 14 N•m 125 in-lb
• Intake Valve Lash 0.35 mm 0.014 in
• Exhaust Valve Lash 0.68 mm 0.027 in
Valve and Injector Adjustment (CELECT™) 7-04
• CELECT™ Injector Preload (OBC) 2.8 N•m 25 in-lb
Back off 120° Back off 120°
• CELECT™ Injector Lash (OBC) 0.50 mm MIN 0.020 in
0.74 mm MAX 0.029 in
• Intake Valve Lash 0.35 mm 0.014 in
• Exhaust Valve Lash 0.68 mm 0.027 in
Valve and Injector Lash Recheck Limits 7-04
Intake Valve Adjustment Recheck 0.10 to 0.41 mm 0.004 to 0.016 in
Exhaust Valve Adjustment Recheck 0.58 to 0.81 mm 0.023 to 0.034 in
STC Injector Rocker Lever Lash 0.00 to 0.20 mm 0.000 to 0.008 in
CELECT™ Injector Lash Recheck 0.51 to 2.04 mm 0.020 to 0.080 in
C-Brake Adjustment Limits 7-05 0.58 mm MAX 0.023 in
Accessory Drive Axial End Play 7-31 0.05 mm MIN 0.002 in
0.225 mm MAX 0.009 in
Rocker Lever Shaft Outside Diameter 7-09 34.82 mm MIN 1.3710 in
34.86 mm MAX 1.3725 in
Rocker Lever Bushing Bore Inside
Diameter 7-09 34.89 mm MIN 1.3735 in
34.96 mm MAX 1.3765 in
Section V - Engine Component Specifications Component Specifications and Torque Values
N14 Page V-25
Component or Assembly (Procedure) Ref.No./Steps Metric U.S.