Home » John Deere » 1025R » 1023E, 1025R and 1026R – Remove Crankshaft and Main Bearings: 3TNV76 and 3TNV80

1023E, 1025R and 1026R – Remove Crankshaft and Main Bearings: 3TNV76 and 3TNV80

[1] – Check crankshaft end play. (See Check Crankshaft End Play in this Group.)

[2] – Remove flywheel. (See Remove and Install Flywheel in this Group.)

[3] – Remove rear oil seal case. (See Remove and Install Crankshaft Rear Oil Seal Case:
3TNV76 and 3TNV80 in this Group.)

[4] – Remove timing gear cover. (See Remove and Install Timing Gear Cover in this Group.)

[5] – Check crankshaft bearing clearance.

[6] –
IMPORTANT:
Connecting rod end caps must be installed on the same connecting rods they were removed from. Note alignment marks on caps and rods.

Remove connecting rod cap screws and end caps.

[7] – Push pistons and connecting rods away from crankshaft.

[8] –
IMPORTANT:
Main bearing caps must be installed on the same main bearing and in the same direction to prevent crankshaft and main bearing damage.

Remove main bearing cap screws, caps, and thrust bearings.

[9] – Remove crankshaft.

[10] – Remove thrust bearings and main bearing inserts.

[11] – Inspect all parts for wear or damage.