H110ES, H115ES, H120ES, H130ES, H140ES, H160ES and H180ES Hydraulic Hammers Caterpillar

Assembly Procedure

1. Inspect all parts. If any parts are worn or damaged, use new Caterpillar parts for replacement.
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   Illustration 1	g01381346

2. Position cover (5) into a suitable fixture. Apply clean hydraulic oil to the side of diaphragm (4) that is in contact with the gas.

   Note: If necessary, use the accumulator mounting holes to prevent movement of the accumulator assembly.

3. If necessary, install locating dowels (6).

4. Install membrane (4) into base (3).

5. Use two people to install base (3) onto cover (5). Refer to Table 2 for the approximate weight of base (3) and cover (5).
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   Table 2

   Sales Model	Cover (5) and Base (3) Approximate Weight
   H110E S H115E S	Cover (5) 23 kg (51 lb)
   	Base (3) 18 kg (40 lb)
   H120E S H130E S	Cover (5) 28 kg (62 lb)
   	Base (3) 24 kg (53 lb)
   H140E	Cover (5) 38 kg (84 lb)
   	Base (3) 44 kg (97 lb)
   H160E H180E	Cover (5) 54 kg (119 lb)
   	Base (3) 44 kg (97 lb)

6. Apply Tooling (A) the threads of bolts (2). Install bolts (2).

7. Tighten bolts (2) in a criss-cross pattern to a torque of 250 N·m (184 lb ft). Then tighten bolts (2) in a criss-cross pattern to a torque of 500 N·m (369 lb ft).

8. Install seal (1).

End By:

1. Install the accumulator. Refer to the Disassembly and Assembly, "Hydraulic Accumulator - Install".