Adapters and Openers
FAQs for "Adapters and Openers"
Frequently Asked Questions
How do I maintain my fuel and oil drain valves?
Curtis Superior and SAF-AIR valves are designed for installation in a standard NPT port for NPT threaded valves or an AND-10050 style port for UNF threaded valves. Use a thread sealant or Teflon tape on pipe threaded valves. Never allow any thread sealant on the first thread . This will prevent contamination of the fuel system. Refer to aircraft manufacturer's torque specifications for the aircraft in which it is being used.
Replace the rubber seals as per the aircraft manufacturer’s recommendations or every ten years when no guidance is given. McFarlane stocks replacement seals and seal kits for both Curtis Superior and SAF-AIR valves. The new Curtis valves use a O-ring type seal instead of the flat seal that was previously used.
SAF-AIR valves are designed to be disassembled and the O-rings replaced. Over time, if the valve should start to leak, check to make sure the drain valve is tight. If drain valve is found to be tight, then check the O-rings. All O-rings used are buna "n", MS29513 Style, MIL-P-5315. SAF-AIR O-ring seal kits are available for most of their valves. Add a "K" or "-K" suffix to the valve part number.
Never have a hose attached in flight to the oil drain valve. Engine vibration and the additional attached mass can cause premature seal and valve wear which could result in valve failure and a loss of engine oil.
Oil Drain Valve Adapters and Openers
Used with CCA-2450 and CCA-2460 oil drain valves to adapt to Rotax and Jaribu engines.
Adapters are for non-certified aircraft only.
| Part Number | Thread | Material | Notes |
| AN8-INV | 2011 Aluminum | Christin inverted oil system | |
| AN10-INV | 2011 Aluminum | Christin inverted oil system | |
| CCA-2470 | 12MM 1.75 | Aluminum | Rotax 90-degree adapter for CCA-2450 oil drain valve |
| CCA-2474 | 12MM 1.75 | Aluminum | Rotax oil tank adapter for late models with CCA-2450 |
| CCA-2480 | 1/2-20 UNF | Aluminum | Jaribu 90-degree adapter for CCA-2460 oil drain valve |
| F50-90 | Opener - attaches at a 90 degree angle from valve | ||
| F50-180 | Opener - attaches straight out of the valve | ||
| M1290B | 1/2-20 UNF | 2011 Aluminum | Banjo Bolt, Rotax for S5020J oil drain valve |
| M1490B | 1/2-20 UNF | 2011 Aluminum | Banjo Bolt, Volkswagen for S5020J oil drain valve |
| RM12175 | 2011 Aluminum | Rotax, Oil must be used on all new oil tanks being produced by Rotax as they changed the internal design on the tank requiring an adapter to use an oil drain valve. | |
| S5090B | 1/2-20 UNF | 2011 Aluminum | Banjo Bolt, Jabaru for S5020J oil drain valve |
| S6290B | 5/8-18 UNF | 2011 Aluminum | Banjo Bolt, Continental for S6250 oil drain valve |
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