Komatsu PC78US-6 and PC78UU-6 SERVICE MANUAL
Description
Komatsu PC78US-6 and PC78UU-6 SERVICE MANUAL
The PC78US offers high productivity and efficiency in a compact design. Due to the tight tail design of the PC78US-6, operators can focus on the work in front of them and worry less about rear swing impacts. The rigid boom offers unmatched power and makes tough jobs easy. Powerful Engine With Turbocharger
The engine is EPA Tier 2 emissions certified.
Komatsu PC78US-6 and PC78UU-6 Repair Manual
New pressure-compensated Closed-center Load Sensing System (CLSS)0 hydraulic system HydrauMind
Even when 2 or more actuators are operated simultaneously, the PC78US-6’s pressure- compensated CLSS
system ensures that each actuator works according to its control input without affecting the size of the load. This gives the operator precise control at all times.
Engine speed sensing=Optimum Power Power utilized by the main pump is adjusted automatically in accordance with the engine speed. That means this computerized system keeps engine speed even under high load conditions.
The cab offers comfort and space to help the operator become even more confident and productive. The ergonomically designed features help reduce fatigue and increase focus on the job at hand. The noise levels of the engine already exceed regulated standards, which helps reduce fatigue and can make the operator even more comfortable.
The PC78US design uses a Tight Tail concept for both ends. This makes rotating the machine fast, easy, and confident. There is less to worry about in tight space conditions because there is little protrusion from either the tail end of the front end.
Komatsu PC78US-6 and PC78UU-6 SERVICE MANUAL
This operation and maintenance manual provides essential information with regard to the operation and maintenance of this machine. Careful handling, correct periodical inspections, and maintenance. This manual should always be present with a machine.
This collection contains the following two manuals:
Komatsu PC78US-6 operation and maintenance manual. This is a factory manual 289 pages. serial number 5501 and up.
This operation and maintenance manual provides essential information with regard to the operation and maintenance of this machine. Careful handling, correct periodical inspections, and maintenance. This manual should always be present with a machine.
Komatsu PC78US-6 and PC78UU-6 shop manual.c
Komatsu PC78US-6 operation and maintenance manual
Komatsu PC78US-6 and PC78UU-6 shop manual.
This is a factory shop manual 785 pages.
MACHINE MODEL SERIAL NUMBER
PC78US-6 4001 and up
PC78US-6 4809 and up (For Norway)
PC78UU-6 22832 and up
This factory service manual has easy-to-read text sections with top quality diagrams, pictures, and illustrations. The step by step instructions shows you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding cockups. All specifications
and tolerances are listed. The functions of components and systems are also explained.
