G3304 and G3306 Engines Caterpillar

Removal Procedure

Start By:

1. Remove the timing gear cover. Refer to Disassembly and Assembly, "Timing Gear Cover - Remove" for the engine that is being serviced.

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Illustration 1	g00989118

1. Turn the crankshaft until No. 1 piston is at TOP DEAD CENTER position and the "C" mark on the crankshaft gear is in alignment with the "C" mark on the camshaft gear, as shown.
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   Illustration 2	g00989119

2. Remove bolt (2) and the washer from magneto drive gear (1).
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   Illustration 3	g00989122

3. Install Tooling (A) on magneto drive gear (1). Use Tooling (A) in order to remove magneto drive gear (1) from the magneto drive shaft.
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   Illustration 4	g00989123

4. Remove two bolts (3) and the plate.

5. Remove idler gear (2).

6. Remove four bolts (4) from the camshaft gear.
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   Illustration 5	g00989128

7. Use Tooling (B) in order to remove the bearing from idler gear (2).
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   Illustration 6	g00989130

8. Install Tooling (C) on camshaft gear (5).

9. Use Tooling (C) in order to carefully remove camshaft gear (5).