Avoiding $15,000 Replacement Costs
Proper maintenance can extend slewing drive service life beyond 10,000 operational hours:
Critical Maintenance Protocol
| Task | Frequency | Cost Savings |
|---|---|---|
| Grease analysis | 500 hrs | 35% fewer bearing failures |
| Bolt torque check | 250 hrs | Prevents $8k housing damage |
| Backlash measurement | Monthly | 80% fewer gear replacements |
Failure Warning Signs
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Early Stage: >15 arc-min rotational play
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Critical: Metal flakes in grease (ISO 4406 >18/16)
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Emergency: Audible "knocking" during rotation
Rebuild vs. Replace Decision Matrix
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Rebuild if: Gears <30% pitted, housing intact ($3k-$5k)
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Replace when: Ring gear cracks OR >0.5mm bearing race wear