ENGINE
3.3
EH50PLE ENGINE SERVICE DATA
Cylinde r Head / Valve EH50PLE10
Rocker Arm
Rocker arm ID .8669-.8678″ (22.020-22.041 mm)
Rocker shaft OD .8656-.8661″ (21.987-22.0 mm)
Rocker shaft Oil Clear-
Std .0008-.0021″ (.020-.054 mm)
ance
Limit .0039″ (.10 mm)
Camshaft Cam lobe height In
Std 1.2884-1.2924″ (32.726-32.826 mm)
Limit 1.2766″ (32.426 mm)
Ex
Std 1.2884-1.2924″ (32.726-32.826 mm)
Limit 1.2766″ (32.426 mm)
Camshaft journal OD
Mag 1.4935-1.4941″ (37.935-37.950 mm)
PTO 1.4935-1.4941″ (37.935-37.950 mm)
Camshaft journal bore ID
Mag 1.4963-1.4970″ (38.005-38.025 mm)
PTO 1.4963-1.4970″ (38.005-38.025 mm)
Camshaft Oil clearance
Std .0022-.0035″ (.055-.090 mm)
Limit .0039″ (.10 mm)
Cylinder Head
Surface warpage limit .0020″ (.05 mm)
Standard height 3.870″ (98.3 mm)
Valve Seat Contacting width In
Std .028″ (.7 mm)
Limit .055″ (1.4 mm)
Ex
Std .039″ (1.0 mm)
Limit .071″ (1.8 mm)
Valve Guide
Inner diameter .2362-.2367″ (6.0-6.012 mm)
Protrusion above head .689-.709″ (17.5-18.0 mm)
Valve Margin thickness In
Std .039″ (1.0 mm)
Limit .031″ (.8 mm)
Ex
Std .047″ (1.2 mm)
Limit .031″ (.8 mm)
Valve
Stem diameter In .2343-.2348″ (5.950-5.965 mm)
Ex .2341-.2346″ (5.945-5.960 mm)
Stem oil clearance Std
In .0014-.0024″ (.035-.062 mm)
Ex .0016-.0026″ (.040-.067 mm)
Limit .0059″ (.15 mm)
Overall length
In 3.976″ (101.0 mm)
Ex 3.984″ (101.2 mm)
Valve Spring Overall length
Std 1.654″ (42.0 mm)
Limit 1.575″ (40.0 mm)
Squareness .075″ (1.9 mm)