MAIN BEARING AND CRANKSHAFT REPAIR (CONT)
Do not handle bearing shells and thrust bearings more than necessary for
installation. Sweat from hands may damage bearing shells and thrust bearings.
Bearing surfaces are numbered 1
thru 5 from front to rear of engine
block. Repeat steps (1) and (2) for
four other main bearing surfaces.
(1) Align tab (1) on upper rear main bearing shell (2)
with slot (3) on bearing surface of engine block
Upper bearing shells have a through
slot for lubrication. Upper bearing
shells are Installed in cylinder block.
Failure to comply will block off oil
flow and damage to equipment may
(2) install shell (2) on bearing surface of engine
block (4). Ensure both ends of shell are flush
with bearing cap mounting surfaces (5).
(3) Coat bearing shells (2) with oil after installation.
(4) Coat five crankshaft main bearing journals (6)
Crankshaft weighs 185 lb (84 kg).
Keep out from under crankshaft
when It Is supported by lifting device.
If crankshaft falls, serious Injury or
death may result.
(5) Attach lifting device (7) to crankshaft (8).
(6) Install crankshaft (8) while assistant operates
Install thrust bearing with grooved
side toward crankshaft.
(7) Push crankshaft (8) to front and install rear main
thrust bearing (9). Push crankshaft (8) to rear
and install other rear main thrust bearing (9).