320D3 Hydraulic Excavator Machine Systems Caterpillar

Disassembly Procedure

Start By:

1. Remove the boom cylinder.

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Illustration 1	g06311602

1. Remove seals (1) and sleeve bearing (2).
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   Illustration 2	g06311614

2. Remove fitting (3) from the head end.

3. Remove seals (4) and sleeve bearing (5).
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   Illustration 3	g06311617

4. Remove bolts (6) and rod assembly (7).
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   Illustration 4	g06311621

5. Remove set screw (8), ball (9), and lock nut (10).
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   Illustration 5	g06311623

6. Remove piston (12) and stopper (11).
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   Illustration 6	g06311624

7. Remove ring (14), rings (16), seal assembly (13), rings (15), and seal (17) from the piston.
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   Illustration 7	g06311626

8. Remove head (18).
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   Illustration 8	g06311627

9. Remove ring (23), seal (22), back up ring (21), seal (20), and seal (19) from the head.
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   Illustration 9	g06311628

10. Remove ring (27), sleeve bearing (26), seal (24), and backup ring (25) from the head.