1. The horizontal lines in the table "Selection of the thickness of the main bearings" correspond to the size group of the main bearing bed, which is stamped on the left wall of the cylinder block.
A. Main stamped mark.
B. Corrected stamped mark.
Note: Arrow points to the front of the engine.
2. The columns in the table "Selection of main bearing thickness" correspond to the size group of main journals stamped on the front cheek of the crankshaft.
A. Size group of the molar neck (No. 1 - 5 from left to right).
B. Crankpin size group (No. 1 - 4 from left to right).
3. Select the size group of the liner at the intersection point of the selected row and the column of the table "Selection of the thickness of the main bearings".
B) For used cylinder block and crankshaft:
1. Measure the diameter of the main bearing bed and the diameter of the main journals.
2. Using the measured value, find the line "Main bearing bed diameter" in the table "Selection of main bearing thickness".
3. Based on the measured value, find the column "Main journal diameter" in the table "Selection of main bearing thickness".
4. Select the size group of the insert at the intersection of the selected row and column of the table.
