TM 9-2320-366-34-4
Table 20-5. Crankshaft Main Bearing Journal Diameters
Original crankshaft main bearing
journal diameter
3.5425-3.5441 in.
(8.997-9.002 cm)
(4) Inspect six crankshaft connecting rod bearing journals (5)
for cracks and evidence of overheating.
CAUTION
Check crankshaft connecting rod bearing
journals first at Top Dead Center (TDC), then
at 90 degrees away from TDC, on each
connecting rod bearing journal. Do not use
area immediately around oil hole where
journal surface is lower. Failure to comply
may result in inaccurate readings and
damage to equipment.
(5) Check dimensions of six crankshaft connecting rod
bearing journals (5). Refer to Table 20-6. Crankshaft
Connecting Rod Journal Diameters.
Table 20-6. Crankshaft Connecting Rod Journal Diameters
Original crankshaft connecting
rod bearing journal diameter
2.7551-2.7567 in. (6.997-
7.002 cm)
WARNING
Crankshaft weighs approximately 130 lbs
(59 kgs). Attach a suitable lifting device
prior to installation.
Failure to comply
may result in injury to personnel or
damage to equipment.
NOTE
• Step (6) requires the aid of an assistant.
• Note position of tabs on main bearings in
cylinder block.
(6) Install crankshaft (1) in cylinder block (6).
(7) Position bearing gage on seven main bearings (2).
(8) Position seven main bearings (2) and crankshaft main
bearing caps (3) on cylinder block (6) with 14 washers
(7) and bolts (8).
(9) Tighten 14 bolts (8) to 35-45 lb-ft (47-61 N·m).
20-33
