This collection contains the following two manuals:

Komatsu PC270-7 shop manual. This is a quality factory 753 page workshop manual.
serial number 10001 and up
(The engine details are not included in this, as with most Komatsu shop manuals. I have the engine shop manual listed separately and as a collection)

This factory service manual has easy-to-read text sections
with top quality diagrams, pictures and illustrations. The
step by step instructions show you how to fault find or
complete any repair or overhaul, correctly and efficiently,
saving time and avoiding costly mistakes. All specifications
and tolerances are listed. Functions of components and
systems are also explained.

Komatsu PC270-7 operation and maintenance manual. This high quality 294 page manual covers serial number 10001 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 machine.