Kobelco SK25SR, SK30SR, SK35SR Excavators Workshop Repair & Service Manual

Complete digital official repair shop manual contains service, maintenance, and troubleshooting information for the Kobelco SK25SR, SK30SR, SK35SR Hydraulic Excavators. Diagnostic and repair procedures are covered in great detail to repair, maintain, rebuild, refurbish or restore your excavators 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 Kobelco SK25SR, SK30SR, SK35SR, SK25SR-2, SK30SR-2, SK35SR-2 Hydraulic Excavators 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.

“SK30SR-2,SK35SR-2 (S5PW0002E).pdf”
Kobelco SK30SR-2, SK35SR-2 Hydraulic Excavators Shop Manual; 676 pages

“SK25SR,SK30SR,SK35SR (S5PW0001E).pdf”
Kobelco SK25SR,SK30SR,SK35SR Hydraulic Excavators Shop Manual; 854 pages

“SK25SR-2 (S5PV0001E).pdf”
Kobelco SK25SR-2 Hydraulic Excavators Shop Manual; 678 pages

EXCERPT:

2.BUCKET
2.1 REMOVAL OF BUCKET
( 1) Operate the operating lever and place the bucket on the ground, so the bucket and arm connecting pins are not loaded.
(2) Move the 0-rings (3)toward the bucket bosses using a spatula.
(3) In order to remove pin· (K) which links arm and bucket, remove the ring (2) and the pin (3) by means of straight driver, and draw out pin (K).
• If the pin does not come off easily, the pin is J loaded. Take off the load by manipulating the 2 operating lever.
Fig. 2-2 To place Bucket on ground 3
• Take care so the dust seal between the arm and the bucket bosses is not damaged.
(4) Adjust the bucket by manipulating the operating lever so the pin (J) between the bucket link and the bucket is not loaded.
(5) Remove the ring (2) and pin (1) then pull out the pin (J).
(6) Remove bucket assy.
Weight: 89kg (1961b)- SK30SR-2
92kg (2031b)- SK35SR-2
2.2 INSTALLATION OF BUCKET
Installation is performed in the reverse order of removal, including the following workings :
A • When aligning the pin borees, do not put your finger in the pin holes in any circumstances, but align them visually.
(1) Clean the welded part of the structures and check that there is no crack on the part.
(2) Check that the dust seal is not damaged, and replace a faulty one if necessary.
(3) Adjust the clearance between the bucket and the arm according to Item 2.3.
(4) Replace the worn pins and bushings according to the Section "ATTACHMENT DIMENSIONS"
(5) When inserting the pin, coat the shaft with grease.
• The bucket can be mounted easily if the bucket link is installed in the beginning.

2.3 PROCEDURE FOR ADJUSTMENT OF CLEARANCE BETWEEN BUCKET AND ARM
• Clearance shall be checked at every 120-hour operation in case of normal working.
• Shorten the checking interval according to work conditions.
• Prior to adjusting work, wash the bucket hinge portion to remove adhered mud and grease, etc.
(1) Move 0-ring (3) toward the bucket boss, using a spatula, to see gap (B).
(2) When adjusting clearance (B), bring the non-adjusting side of the bucket in contact with the arm.
(3) Measure clearance (B) and check that it is within 0.5mm (0.02in).
(4) Adjust clearance (B) where it is more than 0.5mm (0.02in).
(5) Several shims (10) of 0.5mm (0.02in) thickness are set in each of the three capscrews (8). The clearance can be decreased by 0.5mm (0.02in) if one each shim is removed.
(6) After adjusting by required shims, tighten 3-capscrew (8) evenly. By the above procedure,
bushing (A) is pushed toward inside, and then clearance is adjusted within 0.5mm (0.02in).
~:17mm T=6.7kgf-m(481bf-ft)
• Specified clearance is required between bushing (A) and arm.
(7) Operate the bucket and confirm that the total of both clearances are within 0.5mm (0.02in).
(8) Reinstall 0-ring (3) to its original position.
Fig. 2-5 Adjustment of clearance between bucket and arm
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