During a routine pre-shift inspection, a heavy-duty technician notices an abnormal amount of fine, metallic glitter present in the final drive oil on a track loader via the sight glass. A subsequent filter cut of the final drive confirmed the presence of these particles. What should be the immediate next step?

Question: During a routine pre-shift inspection, a heavy-duty technician notices an abnormal amount of fine, metallic glitter present in the final drive oil on a track loader via the sight glass. A subsequent filter cut of the final drive confirmed the presence of these particles. What should be the immediate next step?

Answer options:

• Schedule an oil sample for comprehensive analysis and continue monitoring. ✅ Immediately remove the machine from service for further inspection and repair.
• Top up the final drive oil and re-evaluate at the next service interval.
• Consult the machine's maintenance manual for typical wear rates.

Correct answer: Immediately remove the machine from service for further inspection and repair.

Explanation: Visible metallic glitter in drive oils, especially if confirmed by a filter cut, indicates severe, active wear or imminent failure of internal components like gears or bearings. Continuing operation risks catastrophic failure and more extensive damage, necessitating immediate removal from service as per typical OEM guidelines and CCOHS guidance on machine safety.