VALVE AS 7W8412 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2 Start By:
Remove the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove".
Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove".
Remove the rear power take-off (RPTO). Refer to Disassembly and Assembly, "Rear Power Take-Off (RPTO) - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01008304
Remove bolts (1) that fasten the engine oil pan to flywheel housing (2).
Illustration 2 g01050505
Install Tooling (A) and a suitable lifting device on flywheel housing (2). The weight of flywheel housing (2) is approximately 134 kg (295 lb).
Remove bolts (3). Remove flywheel housing (2) and the gasket from the cylinder block.
Remove baffle (4) from the flywheel housing. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2
B - Loctite 5900 -
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g01050429
Install baffle (4) with the notch in the 3 o'clock position. The forward edge of the baffle must contact the flywheel housing.
Illustration 4 g01044382
Install Tooling (A) and a suitable lifting device on flywheel housing (2). The weight of flywheel housing (2) is approximately 134 kg (295 lb).
Position the gasket on the locating dowels of the rear face of the cylinder block. Apply Tooling (B) to the bottom of the flywheel housing in order to fill the space at the cylinder block, the flywheel housing, and the engine oil pan.
Position flywheel housing (2) on the cylinder block. Install bolts (3).
Illustration 5 g01044328
Tighten the bolts, as follows:
In a numerical sequence, tighten bolt 1 through bolt 9 to a torque of 100 30 N m (74 22 lb ft).
In a numerical sequence, tighten bolt 10 through bolt 23 to a torque of 40 10 N m (30 7 lb ft).
In a numerical sequence, tighten bolt 1 through bolt 9 to a torque of 135 20 N m (100 15 lb ft).
In a numerical sequence, tighten bolt 10 through bolt 23 to a torque of 55 10 N m (41 7 lb ft).
Illustration 6 g01008304
Install bolts (1) that fasten the engine oil pan to flywheel housing (2). End By:
Install the rear power take-off (RPTO). Refer to Disassembly and Assembly, "Rear Power Take-Off (RPTO) - Install".
Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".
Install the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Install".