ACTUATOR GP 4991424 - Caterpillar

The engine should be mounted in a suitable stand and placed in the inverted position.
Illustration 1 g01344541
Typical example
Disconnect breather hose (1) from clip (6). Position the breather hose away from the engine oil pan. Note: Identify the position and orientation of the tube assembly before removal.
Remove the assembly of the dipstick tube. Loosen nut (3) and remove tube assembly (2). Remove seal (4) from the tube assembly.
Illustration 2 g01251978
Typical example
Mark the position of clip (6). Refer to Illustration 1. Loosen the bolt that secures the clip and remove the clip.
Remove nuts (10) and bolts (9). Note: The bolts are different lengths. Note the position of the different bolts.
Attach a suitable lifting device to engine oil pan (8). Support the weight of the engine oil pan. The engine oil pan weighs approximately 41 kg (90 lb).
Use the lifting device to remove engine oil pan (8) from the cylinder block.
Remove joint (7) from the cylinder block.
If necessary, remove drain plug (5). Remove O-ring seal (11) from oil drain plug (5). Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Loctite 5900 -
B - Loctite 5188 -
C - Straight Edge 1 Note: In order to install a cast iron oil pan, the engine must be removed from the machine.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that the mating surface of the cylinder block is clean and free from damage. Inspect the studs in the cylinder block for damage. If necessary, replace the studs.
Ensure that the engine oil pan is clean and free from damage.
Illustration 3 g01251763
Typical example
Illustration 4 g01251766
Typical example
Apply a bead of Tooling (A) to positions (Y) on the cylinder block. Note: If the bridge piece for the cylinder block has just been installed, the engine oil pan must be installed before Tooling (A) has cured.
Illustration 5 g01251978
Typical example
Align a new joint (7) with the studs in the cylinder block. Install the joint to the cylinder block.
Attach a suitable lifting device to engine oil pan (8). The engine oil pan weighs approximately 41 kg (90 lb).
Use the lifting device to align engine oil pan (8) with the studs in the cylinder block. Install the engine oil pan to the cylinder block. Remove the lifting device from the engine oil pan.
Install bolts (9) and nuts (10) finger tight. Install clip (6).
Illustration 6 g01251982
Typical example
Align the rear face of engine oil pan (8) to the rear face of cylinder block (12). Use Tooling (C) and a feeler gauge in order to check the alignment between the engine oil pan and the cylinder block.
Tighten bolts (9) and nuts (10) to a torque of 22 N m (16 lb ft).
If necessary, install a new O-ring seal (11) to drain plug (5). Install drain plug (5) to engine oil pan (8). Tighten the drain plug to a torque of 34 N m (25 lb ft).
Illustration 7 g01344541
Typical example
Follow Steps 11.a through 11.c in order to install the assembly of the dipstick tube.
Install a new seal (4) to tube