HB-F35 Excavator Hydraulic Breaker Hammer Seal Kit

Abnormality in seal

1. State: Deterioration (hardening, cracks)

Cause: 1. lncompatible with the oil used

2. degradation of the oil used

3. Abnormal rise of the oil temperature

4. Degradation from ozone

5. High-speed actuation (large heat generation)

Countermeasure: Change the seal material to one excellent in oil resistance, heat resistance, and weather resistance.

2. State: Swelling

Cause: 1. lncompatible with the oil used

2. Mixing of a foreign liquid such as cleaning solution

Countermeasure: Change seal material

3. State: Wear (mirror surface, striation, biased abrasion)