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Section 1 Maintenance
SCC1000C Crawler Crane — Maintenance Manual
Crawler Pads and Connecting Pins
Normally insufcient lubrication of crawler connecting pin or improper tightening of the crawler pad will lead
to operating noise and premature wear, and dirty crawlers will also lead to these conditions.
Therefore, the following contents should be regularly checked, at least check once every month or
check before every operation, or check after the crane has traveled for a long distance.
1. Crawler traveling device (wear, lubrication of crawler pins and tightening of the crawler pads).
2. Track roller or supporting roller of the crawler (wear, lubrication and function of rollers).
3. Driving motors of the crawler (wear, lubrication of the reducer).
4. Dirt on the crawler. When the crawler is dirty, more energy is needed to move the crane. Therefore, the
torque at the mobile part of the crawler is severe.
5. Lubrication of the crawler pins may be needed. At the upper part of the crawler, apply lubrication on the
pins that connect the crawler pads. Drive the crane forward, until the lower part of the crawler is on the
supporting roller. Apply lubricant onto the crawler pins at this part.
Track roller
Connecting pin
Crawler pad
T103 6002
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