Kobelco K907C and K907C-LC Excavator Service Manual

Product Overview

The Kobelco K907C and K907C-LC Excavator Service Manual is an indispensable resource for repair specialists. Designed to assist mechanics who may be unfamiliar with the intricate systems of these excavators, this comprehensive manual offers guidance on maintenance, troubleshooting, and repairs across its 820 pages. Available in PDF format, the manual is provided in English, under Publication S5LN0003E01.

Key Features

• Detailed Specifications
• Comprehensive Maintenance Guidelines
• Full System Overviews
• Step-by-Step Disassembly Instructions
• Practical Troubleshooting Advice

Benefits

• Ensures safe and effective operation and maintenance of the excavator.
• Empowers mechanics to perform expert repairs with confidence.
• Helps prevent equipment breakdowns and extends machine life.
• Serves as an essential reference for both novice and experienced technicians.

Usage Recommendations

• Always read and understand all warning plates and decals on the machine before operation.
• Familiarize yourself with the manual before starting any repair work.
• Employ proper lifting procedures when removing components.
• Ensure caution when handling filler caps and plugs to avoid accidents with pressurized liquids.
• Use the manual as a reference even if you are experienced with excavator technology.

Instructions for Specific Tasks

Removing Lower Roller

1. Loosen the excavator and lift the machine approximately 30 cm.
2. Place a wooden block under the lower roller and loosen the four roller mounting bolts.
3. Remove the bolts and extract the lower roller.

Installing Lower Roller

1) Evenly apply Loctite #242 (locking compound) to the lower roller mounting bolts.
2) Align the bolt holes of the lower frame and lower roller, then temporarily tighten using a small ratchet wrench.
Note:
a. If bolts are difficult to turn or issues are found, remove and inspect the threads.
b. Avoid using an impact wrench for temporary tightening.
3) For final tightening, use a torque wrench and tighten bolts to the specified torque.