Komatsu SK818-5 & SK820-5 Turbo Repair Manuals PDF

Serial Numbers:
WEBM005000
SK818-5: 37BF50003 and up
SK820-5 Turbo: 37BTF50003 and up
WEBM005001
SK818-5: 37BF50111 and up
SK820-5 Turbo: 37BTF50112 and up
Manuals: Shop Manual
10 STRUCTURE AND FUNCTION……………………………………………………………………………. 10-1
20 TESTING AND ADJUSTING………………………………………………………………………………… 20-1
30 DISASSEMBLY AND ASSEMBLY………………………………………………………………………. 30-1
40 MAINTENANCE STANDARD………………………………………………………………………………. 40-1
This SK818-5, SK820-5 shop manual is 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.
workshop.
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 ADJUSTMENTS
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.
REMOVAL AND INSTALLATION
This section explains the order to follow when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.
STANDARD MAINTENANCE
This section gives the judgement standards when inspecting disassembled parts
Pressurizing the tank
This operation should be performed every time the oil refueling cap is moved for removal of the pipes or other hydraulic equipment.
1 – Start the engine and position the machine as in the figure.
2 – Stop the engine, loosen the tank cap (1) and then close it again.
This operation lets air into the tank when the level of the remaining oil is at minimum.
3 – Start the engine and lower the working equipment to the ground.