Complete digital official shop manual contains service, maintenance, and troubleshooting information for the Kobelco SK80MSR, SK80MSR-1E, SK80MSR-1ES 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 SK80MSR, SK80MSR-1E, SK80MSR-1ES 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.

“SK80MSR (S5LF0001E).pdf”
Kobelco SK80MSR Hydraulic Excavator Shop Manual; 896 pages

“SK80MSR-1E (S5LF0003E).pdf”
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“SK80MSR-1E(S) (S5LF0005E01).pdf”
Kobelco SK80MSR-1E, SK80MSR-1ES Hydraulic Excavator Shop Manual; 946 pages

EXCERPT:

INDEX
1 SPECIFICATIONS SECTION
2 MAINTENANCE SECTION
3 SYSTEM SECTION
4 DISASSEMBLY SECTION
5 TROUBLESHOOTING
6 ENGINE SECTION
7 PROCEDURE OF INSTALLING OPTIONS SECTION
...
33. UPPER SLEWING BODY
33.2.2.2 DISASSEMBLY
(1) Pulling out travel straight spool (7), travel right and left spool (8), slewing spool (9) and bucket spool (12), conflux I single sw. spool (81) and N&B spool (82). (Spool without lock valve)
(See Fig. 33-117, Fig. 33-118.)
1) Remove two socket bolts (47) of each spool, then washer (49) and pilot cover C (18). (See Fig. 33-118) ~:5mm
( Note )
• Then, special care must be taken that 0-ring (52) of pilot cover C (18) does not slip out.
2) Hold each spool with spring (26) section, pull it out slowly in parallel to spool hole, and remove spool assy from body (1), (80).
( Note )
• Don't disassemble spool assy. If it is damaged, replace it.
• When two types of spool have been removed, attach tag and record the position before disassembling.
(2) Pulling out P2 by-pass cut spool (14), P1 by-pass cut spool (15) and boom conflux spool (13).
(Spool without lock valve.)
(See Fig. 33-117, Fig. 33-119.)
1) Remove two socket bolts (47) of each spool, then washer (49) and pilot cover C (18).
(See Fig. 33-119) ~:5mm
( Note )
• Then, special care must be taken that 0-ring (52) of pilot cover C (18) does not slip out.
33. UPPER SLEWING BODY
2) Hold each spool with spring (26} section, pull it out slowly in parallel to spool hole, and remove spool assy from body (1 ).
3) Pull out boom conflux spool (13) in the reverse direction.
( Note )
• Don't disassemble spool assy. If it is damaged, replace it.
• When two types of spool have been removed, attach tag and record the position before disassembling.
(3) Pulling out boom spool (1 0} and boom swing spool (78).
(Spool with lock valve.) (See Fig. 33-120.}
1) Remove three (3) socket bolts (48). ~:5mm
2) Remove pilot cover D (16). Since pilot cover D is equipped with piston guide (33), piston A (34), piton C (36), and lock valve spring A (35}, remove as equipped-pilot cover D.
( Note )
• Special care must be taken that 0-rings (52), (53), (59) on bottom of pilot cover D (16) and poppet (29) do not slip out.
• Take care not to damage piston guide (33} protruded from the bottom of pilot cover D (16).
3) Spring section (26) of each spool is disposed, so hold spool with the spring (26) section, pull it out slowly in parallel to spool hole, and remove spool assy from body (1 ), (76).
( Note )
• Don't fail to pull spool assy out from spring side.
• If spool assy is damaged, don't disassemble it.
Replace it.
...