hitachi — Hitachi Industrial Hydraulic Excavator Manual (EN)

SAFETY Stay Clear of Moving Parts Contact with moving parts can cause serious injury or death due to amputation or entanglement. To prevent accidents, care should be taken to ensure that hands, feet, clothing, jewelry and hair do not become entangled when working around rotating parts. SA-026 Prevent Parts from Flying Grease in the track adjuster is under high pressure. Failure to follow the precautions below may result in serious injury, blindness, or death. Do not attempt to remove GREASE FITTINGS or VALVE ASSEMBLIES. As pieces of parts may fly off, be sure to keep body and face away from the valve. Travel reduction gears are under pressure.

As pieces of parts may fly off, be sure to keep body and face away from AIR RELEASE PLUG to avoid injury. GEAR OIL is hot. Wait for gear oil to cool, then gradually loosen the air release plug to release pressure. SA-344 S-23