SEAL ASSEM. (fire resistant) 9J1684 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A(1) 9U-6198 Crankshaft Turning Tool 1
A(2) 9U-7336 Housing 1
5P-7305 Engine Turning Tool 1
(1) The Crankshaft Turning Tool is used on the front pulley.
(2) This Tool is used in the aperture for the electric starting motor.Start By:
Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove".
Remove the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove". Note: Either Tooling (A) can be used. Use the Tooling that is most suitable.
This procedure must only be used to remove and install the main bearing shells with the crankshaft in position.The removal procedure and the installation procedure must be completed for each pair of main bearing shells before the next pair of main bearing shells are removed.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01439628
Typical example
Remove allen head screws (1). Remove bridge piece (2).
Ensure that the main bearing cap is Marked for the correct location and orientation.
Illustration 2 g01253719
Typical example
Remove bolts (3). Remove main bearing cap (4) from the cylinder block.
Illustration 3 g01253146
Typical example
Remove lower main bearing (5) from main bearing cap (4). Keep the main bearing and the main bearing cap together. Take care not to displace dowels (6). Note: The lower main bearing is a plain bearing that has no oil holes. Dowels (6) may remain in the main bearing cap or in the cylinder block.
Illustration 4 g01253137
Typical example
For number three main bearing cap, remove thrust washers (7).
Illustration 5 g01253142
Typical example
For number three main bearing, remove thrust washers (8) from the cylinder block. In order to remove the thrust washers, push the crankshaft toward the front of the engine or push the crankshaft toward the rear of the engine. Use Tooling (A) in order to rotate the crankshaft. If necessary, use a suitable tool to free the thrust washers. Note: Do not damage the machined surfaces of the crankshaft during removal of the thrust washers.
Illustration 6 g01253145
Push out upper main bearing (9) with a suitable tool from the side opposite the locating tab. Carefully rotate the crankshaft while you push on the bearing . Remove upper main bearing (9) from the cylinder block. Keep the bearings together. Note: Do not damage the machined surfaces of the crankshaft during removal of the upper main bearing. The upper main bearing has a groove and two oil holes.Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
B 8T-5096 Dial Indicator Group 1
C - Straight Edge 1
D 194-3542 5 mm Allen Socket 1
E - Loctite 5900 -
This procedure must only be used to remove and install the main bearing shells with the crankshaft in position.The removal procedure and the installation procedure must be completed for each pair of main bearing shells before the next pair of main bearing shells are removed.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that the main bearings are clean and free from wear or damage. If necessary, replace