Quick Coupler Pins
Usage:
EXCAVATORS301.5 (3YW) MINI-HYDRAULIC EXCAVATORS
Problem:
The pins in the lock assembly of the 152-8748 Quick Coupler may stick either in the open or the closed position.
Solution:
Clean the quick coupler. Reduce the recommended service time from 50 hours to ten (10) hours. The instructions for cleaning and servicing are in SEBU7152-02 Operation and Maintenance Manual 301.5 Mini Hydraulic Excavator, October 1998, page 131.
Engineering is working on a permanent solution.
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Caterpillar Information System:
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