Quick Answer
Use silicone-based lubricant only. Thin, even coat on O-rings. Wipe excess from seals. Never use petroleum products (degrades rubber). Re-lubricate every 50 cycles or when dry.
Detailed Explanation
Recommended Lubricants
| Type | Compatible | Examples |
| —— | ———— | ———- | |
|---|---|---|---|
| Silicone Grease | Yes | Dow Corning 111, Molykote 111 | |
| Silicone Oil | Yes | Various silicone oils | |
| Petroleum Jelly | NO | Degrades O-rings | |
| WD-40 | NO | Not for seals |
### Lubrication Procedure
1. Clean O-ring (remove old lubricant, debris)
2. Inspect O-ring (check damage, wear)
3. Apply lubricant (thin, even coat)
4. Spread evenly (clean finger or tool)
5. Wipe excess (clean sealing surfaces)
6. Mate connector (follow torque specs)
### How Much to Use
– Correct: O-ring glossy, not dripping
– Too little: Appears dry, increased friction
– Too much: Attracts debris, contaminates contacts
### Frequency
| Condition | Frequency |
| ———– | ———- | |
|---|---|---|
| Normal use | Every 50 cycles | |
| Harsh environment | Every 25 cycles | |
| Long storage | Before each use | |
| After cleaning | Always |
## Contact/CTA
Email: support@hysfsubsea.com for lubricant recommendations. Silicone-based only!
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