TRUCK SERVICE MANUAL
ENGINE
New
New
Worn
Part or Location
Minimum
Maximum
Limit
Camshaft
Journal Diameter
1.997
1.998
1.996.
[50.72]
[50.75]
[50.70]
Camshaft Support Bushing
1.3725
1.3755
1.370
[34.861]
[84.938]
[34.80]
Camshaft Outboard Bearing Support
1.751
1.754
1.757
[44.48]
[44.55]
[44.63]
Gear Case Cover
Accessory Drive Bushing
Part No
132770
1.565
1.569
1.571
[39.75]
[39.85]
[39.90]
Part No
132771
1.555
1.559
1.561
[39.41]
[39.60]
[39.65]
Part No
132772
1.545
1.549
1.551
[39.24]
[39.34]
[39.40]
GROUP 2. CYLINDER HEAD
Height
4.370
4.380
4.340
[111.00]
[111.25]
[110,24]
Injector Sleeve
Top Inside Diameter
1.145
1.155
[29.08]
[29.34]
Injector Cup Protrusion
0.060
0.070
[1.52]
[1.78]
Valve Seat Insert
Run-out
0.002
[0.05]
Sizes Available
Refer to Table 2-1 (8).
Valve Crossheads and Guides
Crosshead Stem Inside Diameter
0.434
0.436
0.440
[11.02]
[11,071
[11.18]
Guide Outside Diameter
0.433
0.4335
0.432
[10.99]
[11.011]
[10.97]
Guide Assembled Height
1.860
1.880
[47.24]
[47.75]
Depth Valve Stem Pocket
0.120
0.140
[3.05]
[3.56]
Valve, Guides and Springs
Valve Stem Outside Diameter
0.450
0.451
0.449
[11.43]
[11.46]
[11.40]
Valve Guide Inside Diameter
0.4525
0.4532
0.455
[11.493]
[11.511]
[11.56]
Valve Guide Protrusion
1.315
1.325
[33.40]
[33.65]
Valve Spring Data
Refer to Table 2-1 (9).
426