HEAD-PUMP 1022081 - 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 and Install".
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
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 g01058428
Install Tooling (A) and a suitable lifting device on flywheel housing (2). The weight of flywheel housing (2) is approximately 25 kg (55 lb).
Remove bolts (3). Remove flywheel housing (2) from the cylinder block.
Remove gasket (4) from the flywheel housing. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2
B 8T-9022 Silicone Gasket -
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Thoroughly clean the flywheel housing and the rear face of the cylinder block.
Illustration 3 g01058428
Illustration 4 g00551652
Install Tooling (A) and a suitable lifting device on flywheel housing (2). The weight of flywheel housing (2) is approximately 25 kg (55 lb).
Install gasket (4) on the dowel pins of the cylinder block. Apply Tooling (B) to the bottom of the gasket in order to fill the space at the cylinder block, the flywheel housing, and the engine oil pan.
Position flywheel housing (2) and install bolts (3).
Tighten the bolts, as follows:
In a numerical sequence, tighten Bolt 1 through Bolt 9 to a torque of 100 20 N m (75 15 lb ft).
In a numerical sequence, tighten Bolt 10 through Bolt 24 to a torque of 40 10 N m (30 7 lb ft).
In a numerical sequence, again tighten Bolt 1 through Bolt 9 to a torque of 135 20 N m (100 15 lb ft).
In a numerical sequence, again tighten Bolt 10 through Bolt 24 to a torque of 55 10 N m (41 7 lb ft).
Illustration 5 g01008304
Install bolts (1) that fasten the engine oil pan to flywheel housing (2).
Remove Tooling (A). End By:
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".