TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Piston and Connecting Rod Assembly (001-054)
Section 1 - Cylinder Block - Group 01
Page 1-103
Piston Protrusion
Piston
Protrusion
Use Grade
Part No. 160/175
Part No. 190/230
A
0.609 to 0.711 mm [0.024 to 0.028 in]
A
3922571
3922577
A
0.508 to 0.609 mm [0.020 to 0.024 in]
B
3922572
3922578
A
0.406 to 0.508 mm [0.016 to 0.020 in]
C
3922573
3922579
B
0.711 to 0.813 mm [0.028 to 0.032 in]
A
3922571
3922577
B
0.609 to 0.711 mm [0.024 to 0.028 in]
B
3922572
3922578
B
0.508 to 0.609 mm [0.020 to 0.024 in]
C
3922573
3922579
C
0.813 to 0.914 mm [0.032 to 0.036 in]
A
3922571
3922577
C
0.711 to 0.813 mm [0.028 to 0.032 in]
B
3922572
3922578
C
0.609 to 0.711 mm [0.024 to 0.028 in]
C
3922573
3922579
Install (001-054-025)
Install the bearing shells into both the connecting rod and
the connecting rod cap. Make sure the tang on the bearing
shells is in the slot of the connecting rod cap and con-
necting rod.
Lubricate the connecting rod bearings with a light film of
clean lubricating engine oil.
L-781