C7 Engines for Caterpillar Built Machines Camshaft Idler Gear - Remove and Install Caterpillar

Removal Procedure

Start By:

1. Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Remove".

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Illustration 1	g01125301

1. Remove bolts (4) and retaining plate (1).

2. Remove camshaft idler gear (2).

3. Remove bolt (7) and idler shaft (3) from the cylinder block. Remove thrust plate (5).

4. Use Tooling (A) and a suitable press to remove bearing (6) from camshaft idler gear (2).

Installation Procedure

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Illustration 2	g01125304

1. Use Tooling (A) and a suitable press to install bearing (6) in camshaft idler gear (2). Install the bearing until the bearing is 1.080 ± 0.250 mm (0.0425 ± 0.0098 inch) below the front face of camshaft idler gear (2).

2. Position thrust plate (5) and idler shaft (3) on the cylinder block. Install bolt (7). Tighten the bolt to a torque of 70 ± 15 N·m (51 ± 11 lb ft).

3. Install camshaft idler gear (2) on idler shaft (3). Ensure that timing mark (8) is facing outward. Align timing mark (8) with timing mark (9) on crankshaft drive gear (10).

4. Position plate (1) and install bolts (4). Tighten the bolts to a torque of 70 ± 15 N·m (51 ± 11 lb ft).

End By:

1. Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".