Kobelco SK15MSR SK16MSR Repair & Parts Manual [Excavator]


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Included 2 Manuals:

SK15MSR SK16MSR Shop Manual [Excavator] Pf02-02001 Up
SK15MSR SK16MSR Parts Manual [Excavator] Pf02-02001 Up

Factory Service Repair and Parts Manual For Kobelco SK15MSR SK16MSR. Special tools, Specifications, Preliminary Work, Removing, Disassembling, Exploded View, Assembling, Adjusting, Reconditioning, Installing procedures included in almost every chapter. Guaranteed Highly detailed Hydraulic Circuits, Wiring Diagrams and Parts illustrations, instructions.

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SK15MSR PF02-02001
SK16MSR PF02-02001


Repair Manual

Installation Procedures For Optional Attachments
Parts Manual

General Maintenance Items
Tools And Spare Parts
Optional Parts
Name – Plate
Parts Index
Hydraulic Components
Engine Components


Hydraulic Piston Pump Since the cylinder barrel of this piston pump is connected to the shaft with spline, it is rotated along with the shaft. The piston shoes which are incorporated in the cylinder barrel, follow to the rotation of the swash plate (slanted plate) resulting reciprocating movement that produces pumping action of suction and discharge depending upon the variation of the chamber volume. This pump has even number of pistons so that the pump acts as two pumps with the same capacity in the one pump casing. The valve plate, as shown in the Fig. 1-3, has two discharge grooves of outside (P1) and inside (P2). The every other piston chamber in the cylinder barrel is alternatively opened to either of discharge groove of outside (P1) or inside (P2), namely the same volume of discharge is independently exerted from P1 and P2 port. But suction groove is commonly used for both discharge grooves. In this system, because of the even number of pistons, the same number of pistons is to be opened to the outside and inside of the valve plate. And aH the pistons are identical with each other for the diameter, located on the same pitch circle, and sliding on the same swash plate. Therefore, the discharge volume to outside (P1) and inside (P2) becomes equal. Furthermore, because of only one swash plate, no difference is produced on the discharge volume to P1 and P2 even though the slant angle of swash plate is varied due to variable control.