Hitachi Zaxis Zx330-3 Zx330lc-3 Zx350lc-3 Zx350lcn-3 Parts Catalog Manual
TECHNICAL MANUAL (Operational Principle)
SECTION 1 GENERAL
Group 1 Specification
Group 2 Component Layout
Group 3 Component Specifications
ENGINE
• Meets EPA Tier II non-road
emissions regulations
• H/P mode control
• E mode control
• 50 A alternator
• Dry-type air double filters with evacuator valve
(with safety element)
• Cartridge-type engine oil filter
• Cartridge-type fuel filter
• Radiator and oil cooler with dust protective net
• Radiator reserve tank
• Fan guard
• Isolation-mounted engine
• Auto-idle system
• Auto acceleration system
. Engine
HYDRAULIC SYSTEM
• Work mode selector
• Engine speed sensing system
• E-P control system
• Power boost
• Auto power lift
• Quick warm-up system for pilot circuit
• Shockless valve in pilot circuit
• Boom-arm reduced drift valve
• Control valve with main relief valve
• Extra auxiliary port in control valve
• Suction filter
• Full-flow filter
• Pilot filter
Hitachi Zaxis Zx330-3 Zx330lc-3 Zx350lc-3 Zx350lcn-3 Zx350h-3 Zx350lch-3 Zx350k-3 Zx350lck-3 Excavator Parts Catalog Manual