H45/H45 S, H50/H50 S, 63/H63/H63 S, 70/70 S/H70/H70 S, H90C/H90C S and 100/H100/H100 S Hydraulic Hammers Caterpillar

Installation Procedure

Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.

1. Clean all parts and inspect all parts. If any parts are worn or damaged, use new Caterpillar parts for replacement.
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   Illustration 1	g00980893

2. Install Tooling (A) and attach a suitable lifting device to accumulator (3).

3. Lift accumulator (3) into position on the control valve. Refer to Table 2 for the weight of the accumulators.
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   Table 2

   Approximate Weight of the Accumulators
   Sales Model	Approximate Weight
   H45, H45s	8 kg (18 lb)
   H50, H50s	13 kg (29 lb)
   H63, H63s	19 kg (42 lb)
   H70, H70s	21 kg (46 lb)
   H90C, H90Cs	21 kg (46 lb)
   H100, H100s	35 kg (77 lb)

4. Align accumulator (3) with the control valve, and place the accumulator into position.

5. Remove the tooling from accumulator (3).
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   Illustration 2	g00980879

6. Apply Tooling (B) to bolts (4) that secure accumulator (3) to the hammer.

7. Install bolts (4). Tighten bolts (4) to the proper torque specification. Refer to Specifications, "Hydraulic Accumulator (Low Pressure)". Tighten the bolts in a star pattern.

8. Charge the accumulator. Refer to the Service Manual, "Hydraulic Accumulator - Test and Charge".

9. Tighten plug (2). Refer to Specifications, "Hydraulic Accumulator (Low Pressure)" for the torque specifications.

10. Install plug (1) and the O-ring seal. Tighten plug (1). Refer to Specifications, "Hydraulic Accumulator (Low Pressure)" for the torque specifications.

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1. Install the buffer. Refer to the Disassembly and Assembly, "Buffers - Remove and Install".