Pre-Oiler and Back-Up Engine Oil Pump

Pre-Oiler and Back-Up Engine Oil Pump

All-in-one geared electric Pre-Oiler AND Back-Up Engine Oil Pump ( a logical MUST HAVE for *ALL* kinds and types of engines, not just for aircraft engines ).  Besides aircraft, used in boats, sail boats, speed boats, race cars, pick-ups, cars, semi trucks, Tractor Pull vehicles, and much more!

For certified aircraft, you simply get a FAA Field Approval / 337 .

Pre-Oiler and Back-Up Engine Oil Pump pages updated  09 / 14 / 2017  by  JD

Product Description

Click here for Installation Schematic How this Pre-Oiler / Back-Up Oil Pump works — when you turn your Master Switch ON, the Electric Oil Pump turns ON, sucks oil out of your oil pan, and pressurizes your Engine Oil Pressure to about 55 PSI *before* engine start, Pre-Oiling the entire engine — remember, 87+% of engine wear for ANY engine is from just simply starting the engine because of bare metal to metal contact.  After you see about 15+ PSI on your Oil Pressure Gage ( which takes about 18 to 30 secs — I would let it run about 1 minute ), THEN start your engine.  When the Engine Driven Mechanical Oil Pump catches up ( when it reaches above ~55 PSI ), the Electric Pre-Oiler Pump automatically shuts OFF via the Oil Pressure Switch ( see schematic ).  And if the Engine Driven Mechanical Oil Pump were to ever fail ( which does happen all too often ), the Electric Pre-Oiler Pump automatically comes ON as an Electric Back-Up Oil Pump because of this Oil Pressure Switch.  You can also use the Oil Pump to keep your engine lubed during construction, down for maintenance, or during long down times of not flying.  You could even have an external power supply and a timer turn it ON to keep your engine lubed during a vacation trip or during maintenance periods just like you do for the battery.

You are already flying with 2 spark plugs, 2 ignition systems and 2 fuel pumps, sooo why are you flying with just 1 oil pump?!?  Why seize your $40,000+ engine and / or crash your Pride and Joy *just* because your Engine Driven Mechanical Oil Pump fails?!?!? And just because it’s never happened to you before doesn’t mean it won’t!  Besides, it saves on engine wear every time you start the engine — ANY engine.  Also, you can keep your engine Pre-Oiled during construction, during non-flying/maintenance times, and when you go on vacation via a timer!

Wondering which Pre-Oiler / Back-Up Oil Pump to choose?

The average distance between airports in the USA is only 15 sm, except in the mountains.  The 3 lb. GP-301 Intermittent Duty model could probably be considered Continuous Duty for aircraft because it should work just fine running for several hours straight as a Back-Up Oil Pump.  And it will eventually pump very cold oil at start-up in very cold climates, too.
BUT, if you are operating over mountains a lot, and / or operating in extremely cold weather a lot, and / or flying over water a LOT, and / or flying over wooded areas a LOT, I would *STRONGLY* recommend the GP-312 model [ it’s just 3 more lbs., and this is the model I use — take the extra 3 lbs. of weight off of yourself 🙂 ] :

A Few Definitions:

VDC = Volts Direct Current ; PSI = Pounds per Square Inch ; GPM = Gallons Per Minute ; LPM = Liters Per Minute ; AMP = Amps or Current ; CB = Circuit Breaker ; N.O. = Normally Open ; N.C. = Normally Closed ; S & H = Shipping and Handling ; CA = California

 

GP301-12_PreOilerGP301-12 – 12 VDC / 60 PSI / 3 GPM – 11.4 LPM / 10 AMP CB / weight 3 lbs.  Gear Pump for use as a Intermittent Duty Pre-Oiler and Back-Up Oil Pump; or for the transfer of Lube Oil, Diesel Fuel, Antifreeze and Water; bronze gears / stainless shafts, brass pump body with lip seal — $302.00 each via cash, check or money order / $315.00 each credit card price ( BUT, we prefer checks ), plus S & H , and CA Sales Tax ( if you live in CA ).

GP301-24_PreOilerGP301-24 – 24 VDC / 60 PSI / 3 GPM – 11.4 LPM / 10 AMP CB / weight 3 lbs.  Gear Pump for use as a Intermittent Duty Pre-Oiler and Back-Up Oil Pump; or for the transfer of Lube Oil, Diesel Fuel, Antifreeze and Water; bronze gears / stainless shafts, brass pump body with lip seal — $302.00 each via cash, check or money order / $315.00 each credit card price ( BUT, we prefer checks ), plus S & H , and CA Sales Tax ( if you live in CA ).

GP302-12_PreOilerGP312-12 – 12 VDC / 60 PSI / 3 GPM – 11.4 LPM / 15 AMP CB / weight 6 lbs.  Gear Pump for use as a Continuous Duty Pre-Oiler and Back-Up Oil Pump; or for the transfer of Lube Oil, Diesel Fuel, Antifreeze and Water; bronze gears / stainless shafts, brass pump body with lip seal — $489 each via cash, check or money order / $509.00 each credit card price ( BUT, we prefer checks ), plus S & H , and CA Sales Tax ( if you live in CA ).

GP302-24_PreOilerGP312-24 – 24 VDC / 60 PSI / 3 GPM – 11.4 LPM / 15 AMP CB / weight 6 lbs.  Gear Pump for use as a Continuous Duty Pre-Oiler and Back-Up Oil Pump; or for the transfer of Lube Oil, Diesel Fuel, Antifreeze and Water; bronze gears / stainless shafts, brass pump body with lip seal — $489 each via cash, check or money order / $509.00 each credit card price ( BUT, we prefer checks ), plus S & H , and CA Sales Tax ( if you live in CA ).

109751_Oil_Pressure_Switch0166-408 – 12 or 24 VDC ( same switch ) weighing only 2.6 ox.; factory pressure set at 55 +/-7.25 PSI, adjustable via a set screw; N.C. diaphragm Pressure Switch with an adjustment range of 14.5 PSI to 145 PSI so you can custom set your Pressure Switch for your minimum engine oil pressure, with a maximum press of 4350 PSI, that has a 1/8″ male NPT with zinc plated steel body.  Oil Pressure Switch function is to turn the Pre-Oiler OFF when your engine oil pressure from your engine driven mechanical oil pump reaches minimum operating pressure, and turns ON the Pre-Oiler as a Back-Up Oil Pump if the engine driven mechanical oil pump ever fails and the engine oil pressure drops below ~60 PSI ( for example, or whatever you set for your minimum engine oil pressure ) — $70.00 each via cash, check or money order / $72.80 each credit card price ( BUT, we prefer checks ), plus S & H , and CA Sales Tax ( if you live in CA ).

LL_Toggle_Sw_for_Preoiler
633-1905
– ON / OFF / ( Mom ON ) SPDT Lever-Lock Toggle Switch to by-pass the Oil Pressure Switch and operate the Pre-Oiler and / or Back-Up Oil Pump independently, if necessary.  This switch is not just another toggle switch, it’s a Lever-Lock Toggle Switch, which means you can not bump the switch into the ON position like you can with other standard toggle switches — $15.00 each via cash, check or money order / $15.60 each credit card price ( BUT, we prefer checks ), plus S & H , and CA Sales Tax ( if you live in CA ).

Check out these VERY informative short 2+ minute Aeroshell Answers videos concerning which oil to use, proper oil temps, preserving your engine, pre-heating your engine, oil filters, and oil analysis, all of these go hand-in-hand with the need to Pre-Oil your engine ( if they don’t load, hit F5 to refresh your screen ) :

Our Info

INFINITY Aerospace
1750 Joe Crosson Drive, #D-2
El Cajon, CA 92020
PHONE: 619-448-5103
FAX: 619-448-5176
SKYPE: kingvulcan007
CONTACT US

Operating Hours:
Monday – Friday
1330 – 1800+ Pacific Time
You can park your plane(s) in front of our   hangars and office here on Gillespie Field (SEE).

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