KOMATSU LTD. — DISASSEMBLY

DISASSEMBLY Inspection Check the following items to determine if the parts can be reused as lubricated track or as a grease- filled track. Carry out comprehensive check to determine if the link assembly can be rebuilt as a lubricated track or as a grease-filled track. # When making judgements about reuse of parts, see " Guidance for Reusable Parts - Lubricated Tracks ( II )". Check the parts visually for damage, and carry out a color check or use flaw detector to check parts that are suspected of being damaged. Any parts that is cracked must not be used again,so scrap it.

# Precautions for storage 1) To prevent rust of the counterbore portion of the link, Leave the seal installed to the link and be carefull not to damage the seal lip during storage if seal are reused as grease-filled track. 2) Coat the pin and bushing press-fitting portion, shoe mating surface, and master link mating surface of the link with rust prevention oil to prevent rust. 3) Coat the whole circumference of the pins, bushing, and spacer with rust prevention oil to prevent rust, and be particularly careful not to damage the end face of the bushing during storage. - 14 -