TM 5-2420-230-24-2
Section V - Engine Component Specifications - Group 18
Component Specifications and Torque Values
B Series
Page V-7
Component or Assembly (Procedure)
Ref.No./Steps
Metric
U.S.
Flywheel Face Runout TIR
Radius
mm
in
254
10
0.254
MAX
0.010
205
8
0.203
MAX
0.008
181
7
0.152
MAX
0.006
157
6
0.152
MAX
0.006
133
5
0.152
MAX
0.006
Flywheel Bore Runout TIR
0.127
MAX
0.0050
Oil Control Ring End Gap
The two-piece oil ring must be installed with the expander gap 180 degrees from the oil ring gap.
Ring Gap (Feeler Gauge)
Top Ring Gap - Naturally Aspirated
0.25
mm
MIN
0.010
in
0.55
mm
MAX
0.022
in
Top Ring Gap - Turbocharged
0.40
mm
MIN
0.016
in
0.70
mm
MAX
0.028
in
Intermediate Ring Gap
0.25
mm
MIN
0.010
in
0.55
mm
MAX
0.022
in
Oil Control Ring Gap
0.25
mm
MIN
0.010
in
0.55
mm
MAX
0.022
in
Connecting Rod Side Clearance
0.100 mm
MIN
0.004 in
0.330 mm
MAX
0.013 in
Note: The rod must move freely from side-to-side.
Camshaft End Clearance
0.08 mm
MIN
0.003 in
0.47 mm
MAX
0.0185 in
Injection Pump Drive Gear Backlash
A
0.076 mm
MIN
0.003 in
0.330 mm
MAX
0.013 in
L-481
