3003, 3013, 3014 and 3024 Engines for Caterpillar Built Machines Caterpillar

Installation Procedure

Idler Hub

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Illustration 1	g01198501

1. Use Tooling (C) and Tooling (D) to install idler hub (1) in the cylinder block.

Engine Oil Pump

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Illustration 2	g00825411

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Illustration 3	g01037617

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Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment.

1. Apply Tooling (E) to the faces of inner rotor (4) and to the vanes of idler gear (3) .

2. Align Timing Marks (A) and (B) that are on idler gear (3) with the respective timing marks on gears (14) and (15) . Install idler gear (3) on idler hub (1) .

3. Install inner rotor (4) in idler gear (3) .

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Personal injury can result from the release of the spring force. The drive shaft, the piston, and the drive gear are under spring force. Use a press to slowly release the spring force before the components are removed.

4. Install the following items on idler hub (1) :
   • Oil pump cover (5)

   • Shim (6)

   • Spring (7)

   • Collar (8)

5. Install retaining ring (9) on idler hub (1) .

6. Use Tooling (B) in order to measure the end play of the engine oil pump. Refer to Specifications, "Engine Oil Pump".

7. If the oil strainer was removed, use the following procedure for installation:
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   Illustration 4	g01037619

   1. Install O-ring seal (10) on tube assembly (11) .

   2. Install tube assembly (11) in the cylinder block.

   3. Install oil strainer (13) on the cylinder block and tighten bolts (12) to a torque of 11 N·m (97 lb in).

End By:

1. Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".
2. Install the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".