This workshop manual covers the Komatsu SK1020-5 and SK1020-5 turbo models. These machines are designed for demanding applications, incorporating robust engineering for reliability and efficient operation. The turbocharged diesel engine provides ample power for various tasks. This manual is intended to provide comprehensive technical information essential for the proper maintenance and repair of these units, ensuring their continued performance and longevity in the field.
The purpose of this manual is to serve as a definitive guide for improving the quality of repairs and fostering an accurate understanding of the SK1020-5 series. It details procedures for structure and function, testing and adjusting, disassembly and assembly, and maintenance standards. Troubleshooting charts and repair guidance are included to assist owners, mechanics, and technicians in performing accurate work and making informed judgments, ultimately contributing to the optimal functioning of the equipment.
SK1020-5 S/N 37CF0004 AND ON
SK1020-5 turbo S/N 37CTF0003 AND ON
This shop manual has been prepared as an aid to improve the quality of repairs by giving the operator an accurate
understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure
you understand the contents of this manual and use it to full effect at every opportunity.
This shop manual mainly contains the necessary technical information for operations performed in a service work-
shop.
The manual is divided into chapters on each main group of components; these chapters are further divided into the
following sections.
STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding
of the structure, but also serves as reference material for troubleshooting.
TESTING AND ADJUSTING
This sections explains checks to be made before and after performing repairs, as well as adjustments to be
made at completion of the checks and repairs.
Troubleshooting charts correlating «Problems» to «Causes» are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the order to be followed when removing, installing, disassembling or assembling each
component, as well as precautions to be taken for these operations.
MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts.
SK1020-5 S/N 37CF0004 AND ON
SK1020-5 turbo S/N 37CTF0003 AND ON
This shop manual has been prepared as an aid to improve the quality of repairs by giving the operator an accurate
understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure
you understand the contents of this manual and use it to full effect at every opportunity.
This shop manual mainly contains the necessary technical information for operations performed in a service work-
shop.
The manual is divided into chapters on each main group of components; these chapters are further divided into the
following sections.
STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding
of the structure, but also serves as reference material for troubleshooting.
TESTING AND ADJUSTING
This sections explains checks to be made before and after performing repairs, as well as adjustments to be
made at completion of the checks and repairs.
Troubleshooting charts correlating «Problems» to «Causes» are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the order to be followed when removing, installing, disassembling or assembling each
component, as well as precautions to be taken for these operations.
MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts.
