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Komatsu PC12R, PC15R Workshop Repair & Service Manual

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US Dollar: $29.99

Complete digital official shop manual contains service, maintenance, and troubleshooting information for the Komatsu PC12R, PC15R Hydraulic Excavator. Diagnostic and repair procedures are covered in great detail to repair, maintain, rebuild, refurbish or restore your excavator like a professional mechanic in local service/repair workshop. This cost-effective quality manual is 100% complete and intact as should be without any missing pages. It is the same factory shop manual used by dealers that guaranteed to be fully functional to save your precious time.

This manual for Komatsu PC12R, PC15R Hydraulic Excavator is divided into different sections. Each section covers a specific component or system and, in addition to the standard service procedures, includes disassembling, inspecting, and assembling instructions. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. It is in the cross-platform PDF document format so that it works like a charm on all kinds of devices. You do not need to be skilled with a computer to use the manual.

"Shop Manual (WEBM000101).pdf"
324 pages
PC12R-8, PC15R-8 HYDRAULIC EXCAVATOR
PC12R-8 F22426 in poi
PC15R-8 F31605 in poi

"Operation & Maintenance Manual (WEAM002702).pdf"
208 pages
PC12R-8, PC12R-8 HS, PC15R-8, PC15R-8 HS HYDRAULIC EXCAVATOR
SN: PC12R-8 - F31493 and up, PC12R-8 HS - F31493 and up, PC15R-8 - F22262 and up, PC15R-8 HS - F22262 and up

EXCERPT:

ADJUSTMENT OF VALVE CLEARANCE
• Adjust the clearance between valve and rockers to the following values:
With engine cold - Suction valves 0.20 - Exhaust valve 0.20
1 - Remove the valve cover.
2 - Rotate the drive shaft in the normal direction of rotation, until the No. 1 cylinder is in the top dead centre in a compression stroke corresponding to the alignment between the reference mark on the casing (1) and the mark (2) on the pulley.
* If the cylinder is in a compression stroke, the valves do not move when the drive shaft is rotated slightly. If the valves do move, rotate the drive shaft by one turn and realign the reference marks (1) and (2).
3 - Loosen the lock nut (3) and unscrew the adjustment screw (6) by approximately 1 turn.
* Check that the valve cap (5) is lying flat on the valve stem and that there is no lopsided wear.
1 - If the valve caps (5) are damaged, replace them with new ones.
2 - Make sure that the valve caps fit perfectly and are lying flat on the valve stem."
4 - Insert the feeler gauge A1 between the rocker (4) and the valve cap (5).
Rotate the adjusting screw (6) until it rubs against the feeler gauge A1.
Secure this position with the nut (3).
Lock nut: 25.5±2.5 Nm
* After locking the nut (3), check the valve clearance again.
5 - After adjusting the No. 1 cylinder, rotate the drive shaft 240° each time and adjust the valve clearance of the other cylinders according to the ignition sequence.
* Ignition sequence: 1 - 3 - 2.
• Assembly ofthe valve cover
1 - Check the condition of the gasket (7) of the valve cover (8), and the 0-rings (9). Thoroughly clean the contact surface on the cylinder heads.
2 - Replace the valve cover (8) and mount the 0-rings
(9) and the lock nuts (10).
Lock nuts for cover: 25±3 Nm
...

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