Aurora — Troubleshooting Test Steps

A Aurora service procedure — check it applies to your exact model before use.

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Procedure

1. 5. Remove the Belt and Tensioner for Inspection
2. A. Remove the belt. Refer to Disassembly and Assembly, Al-
3. B. Use a suitable tool to move the tensioner arm over the full
4. C. Turn pulley (6). Check that the pulley turns smoothly and
5. D. Ensure that the pulley surface (A) is parallel to the tensioner
6. E. Remove the belt tensioner. Refer to Disassembly and As-
7. F. Check for evidence of metal-to-metal contact between arm

Source: manual:perkins_m0109521_400j_troubleshooting.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.