Fault Phenomenon: Komatsu D275A dozer excessive play and noticeable wobble during blade side shift.

Troubleshooting Process:
– Checked slides: side shift slide wear plates severely worn.
– Checked blocks: sliding blocks worn or cracked.
– Checked lubrication: lack of grease.
– Checked adjustment: adjustment shims missing.

Root Cause: The wear plates and blocks for the blade side shift were severely worn due to long-term lack of lubrication and dust ingress.

Required Parts: Blade side shift wear plate and block assembly.