
Crosshead Guide Bore I.D. 10.947 MIN 0.4310
10.972 MAX 0.4320
Crosshead Guide Height (Installed) 47.25 MIN 1.860
47.75 MAX 1.880
Valve Head Thickness (at O.D.) 2.90 MIN 0.114
Injector Tip Protrusion:
1.52 MIN 0.060
1.78 MAX 0.070
Injector to Injector Sleeve Seat Pattern:
• Distance from Cylinder Head Surface 1 11.91 Approx. 0.469
• Pattern Width 2 1.52 MIN 0.060
Valve Seat Leakage (Hg) 508 MIN 20
635 MAX 25
Note: Refer to Cylinder Head - Vacuum Testing Valve Seating For Reuse (02-10), Page 2-38.
Valve Crosshead Stem Bore I.D. 1 11.03 MIN 0.434
2 11.17 MAX 0.440
3
Specifications Cylinder Head - Rebuild Specifications
NT 855 Page 18-41
Part or Assembly Ref. Point mm in
Perfect..