Hercules — B. 125 HOURS OR 3000 MILES IN ADDITION TO "A" SERVICES
A Hercules service procedure — check it applies to your exact model before use.
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Procedure
- 1. Change crankcase oil.
- 2. Clean crankcase breather.
- 3. Tighten accessory drive belts.
Source: manual:HERCULES D4800 Maintenance Manual .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.