Hitachi Zaxis 270-3 Hydraulic Excavator Workshop Service Manual
Description
Hitachi Zaxis 270-3 Hydraulic Excavator Workshop Service Manual
This service manual for Hitachi Zaxis 270-3 Hydraulic Excavator was first published for use by mechanical engineers who are already familiar with all the service procedures related to BRP products.
Hitachi Zaxis 270-3 Hydraulic Excavator Service
This manual covers the repair and overhaul of Hitachi Zaxis 270-3 Hydraulic Excavator cars and assumes that the technician is fully familiar with the general practices of the automobile. The repair procedures described in this manual emphasize the special aspects of the product. This will allow you to build and maintain a reputation for quality service.
The manual includes instructions on the components manufactured for the Hitachi Zaxis 270-3 Hydraulic Excavator. For repairs to proprietary components, the instructions of the respective component manufacturers are included in this manual. The purpose behind incorporating these instructions in this manual is to allow technicians to understand their functions correctly and thus judge the operation of the car as a whole.
Hitachi Zaxis 270-3 Hydraulic Excavator Workshop Service Manual
Engine
● Certified to EPA Tier-3 emissions
● H/P mode control
● E mode control
● 50 A alternator
● Dry-type air filter with evacuator valve
(with air filter restriction switch for monitor)
● Cartridge-type engine oil filter
● Cartridge-type fuel double filters
● Air cleaner double filters
● Radiator, oil cooler and intercooler
with dust protective net
● Radiator reserve tank
● Fan guard
● Isolation-mounted engine
● Auto-idle system
● Fuel cooler
● Glow-plug start aid
● Engine oil drain coupler
Hydraulic System
● Reduced-drift valve for boom down, arm in
● Auxiliary hydraulic valve section
● Spring-applied, hydraulically released
automatic swing brake
● Auxiliary hydraulic-flow adjustments through monitor
● Auto power lift
● 5,000-hour hydraulic-oil-change interval
● Hydraulic-oil-sampling valve
▲ Auxiliary hydraulic lines
▲ Auxiliary pilot and electric controls
▲ Hydraulic filter restriction indicator kit
▲ Load-lowering control device
▲ Single-pedal propel control
▲ Control pattern change valve
