Step | Action | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|
DEFINITION: The following items are indications of chirping:
| |||||||||
1 | Check for misalignment of the pulleys. Are any of the pulleys misaligned? | Go to Step 2 | Go to Step 3 | ||||||
2 | Replace any misaligned pulleys. Is the chirp still present? | Go to Step 3 | System OK | ||||||
3 | Check for bent or cracked brackets. Are there any bent or cracked brackets? | Go to Step 4 | Go to Step 5 | ||||||
4 | Replace any bent or cracked brackets. Is the chirp still present? | Go to Step 5 | System OK | ||||||
5 | Check for any loose or missing fasteners. Are there any loose or missing fasteners? | Go to Step 6 | Go to Step 7 | ||||||
6 | Tighten any loose fasteners. Replace any missing fasteners. Refer to Fastener Tightening Specifications . Is the chirp still present? | Go to Step 7 | System OK | ||||||
7 | Check for a bent pulley flange. Is there a bent pulley flange? | Go to Step 8 | Go to Step 9 | ||||||
8 | Replace the pulley. Is the chirp still present? | Go to Step 9 | System OK | ||||||
9 | Check for severe piling, exceeding 1/3 of the belt groove depth. Is there severe billing? | Go to Step 10 | -- | ||||||
10 | Replace the drive belt. Refer to Drive Belt Replacement . | -- | System OK | ||||||
