TUBE 9S3684 - Caterpillar

Table 2
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
B 298-5564 T40 Torx Socket 1
C 230-6284 Timing Pin (Camshaft) 1
D 136-4632 Engine Timing Pin 1
268-1966 Adapter 1
E 8T-5096 Dial Indicator Gp 1
- Magnetic Base and Stand 1
F 235-0032 Valve Lash Gauge Gp 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.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that number one piston is at top dead center on the compression stroke. Refer to System Operation, Testing and Adjusting, "Finding Top Center for No. 1 Piston" for the correct procedure.
Illustration 6 g02009353
Ensure that Tooling (D) is installed in Hole (Y) in the cylinder block. Use Tooling (D) to lock the crankshaft in the correct position. Refer to System Operation, Testing and Adjusting, "Finding Top Center Position for No.1 Piston" for the correct procedure.
Ensure that the camshaft gear and the key are clean and free from wear and damage.
If necessary, install the key into the nose of the camshaft.Note: Ensure that the key is squarely seated.
Illustration 7 g03413618
Illustration 8 g03414036
Alignment of timing marks
Align the keyway in camshaft gear (1) with the key in the camshaft. Install the camshaft gear onto the camshaft. Ensure that the timing marks on gear (1), gear (7), and gear (8) are in alignment. Refer to Illustration 8.
Install Tooling (C) through Hole (X) in camshaft gear (1) and into the front housing.
Illustration 9 g03413606
Illustration 10 g03413647
Install washer (8) and bolt (9) to camshaft gear (1).
Remove Tooling (C) and Tooling (D).
When a 8.8 Graded bolt (9) is installed. Tighten the bolt to a torque of 95 N m (70 lb ft).When a 10.9 Graded bolt (9) is installed. Tighten the bolt to a torque of 120 N m (89 lb ft).
Illustration 11 g02009114
Install a new O-ring seal (2) to plug (3). Install the plug into Hole (Y) in the cylinder block. Refer to Illustration 11. Tighten plug (3) to a torque of 21 N m (186 lb in).
Use Tooling (E) to measure the backlash for gear (1), gear (7), and gear (8). Refer to Illustration 8. Refer to Specifications, "Gear Group (Front)" for further information.
Use Tooling (E) to measure the end play of camshaft gear (1). Refer to Specifications, "Camshaft" for further information.
Lubricate the teeth of the gears with clean engine oil.
Illustration 12 g03413625
Use Tooling (F) to check the valve lash. Refer to System Operation, Testing and Adjusting, "Engine Valve Lash - Inspect/Adjust".
If necessary, use Tooling (F) and Tooling (B) to adjust the valve lash. Refer to System Operation, Testing and Adjusting, "Engine Valve Lash - Inspect/Adjust" for the correct procedure.End By:
Install the front cover. Refer to Disassembly and Assembly, "Front Cover - Remove and Install" for the correct procedure.
Install the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install" for the correct procedure.