The Plane Power AL24-P70 FAA-PMA approved Alternator is a direct replacement for Prestolite
24/28 volt, 70 amp Alternators typically installed on Beechcraft, Grumman, Mooney and Vulcanair, S.P.A. Airplanes fitted with Lycoming Engines.
The Plane-Power AL24-P70 should be consider as a direct replacement for the following:
Beechcraft Part Number: ALU-8421
Beechcraft Part Number: ALU-8421R
Grumman (Gulfstream, Tiger) Number: ALU8421LS
Mooney Part Number:
Mooney Part Number: ALU6421LS
Mooney Part Number: ES-4009LS
Vulcanair, S.P.A. Part Number: ALU-8421LS
Please use the "Application" to see if your planes model is listed.
The Plane-Power AL24-P70 is FAA-PMA approved for installation on the following:
Replacement for 24v 70 amp (or less) Lycoming alternators
Disconnect aircraft battery.
Install alternator per included drawing.
Refer to appropriate engine and airframe service manuals for belt tension and bolt torques.
Install battery wire with MS25171-2S terminal nipple on 6mm output terminal and torque to 50 in. lb.
Install ground wire to any of the three 5mm studs on rear of alternator and torque to 35 in. lb.
Install field wire with MS25171-1S terminal nipple to F1 terminal on rear of alternator and torque to 20 in. lb.
NOTE: F2 terminal to remain grounded with ground strap UNLESS aircraft voltage regulator is a type "A" regulator using a 2-wire field circuit, in this case remove and discard ground strap from F2 terminal and connect wiring from voltage regulator to F1 and F2 terminals, torque to 20 in. lb.
If aircraft is equipped with an "alternator out light" circuit, connect that wire to the AUX terminal and torque to 20 in. lbs. Other wise leave AUX terminal open.
Reconnect aircraft battery.
Start aircraft and check alternator output for proper operation.
Instructions For Continued Airworthiness
Annual / 100 hour inspections
Remove drive belt and turn alternator rotor to check condition of bearings for abnormal noise or roughness.
5 year or 1,000 hour intervals
Repeat: Annual / 100 hour inspection.
Remove field brush assembly and inspect brushes for excess wear. Replace brush assembly if brushes extend less than .250" from edge of brush holder case.
UOM : Each
Shipping Weight : 11 pounds
Manufacturer P/N :AL24-P70
Disclaimer: While reasonable efforts have been made to ensure all information on this website is accurate, SkyGeek.com and Styles Logistics, Inc. do not assume responsibility for any errors or omissions. All specifications, illustrations, data and prices are subject to change without notice.
If the item that you are trying to ship is deemed Hazmat you may have an additional fee added to your order when you check out. Items are deemed Hazmat as per the Section 14 Transport Information located in the item's Material Safety Data Sheet (MSDS). Sorry, but things that can go "boom" are hard to ship and we have to pass on our fees.
Flammable or explosive items such as Fire Extinguishers, MEK, Toluene, Paint Thinner, etc. are subject to a $40.00 Hazmat fee via ground shipping methods. However, the majority of Hazmat items have no fee when shipping with a ground method.
Most Hazardous Goods are subject to air and international transport fees. This fee is $105 for domestic air shipping methods and $162.50 for international shipping methods.
Mail the completed form with the original UPC code from the product package and a copy of your sales receipt with the eligible product circled postmarked no later than 1/1/2012. Service activation is required; mail in one of the following options as proof of service activation:
Copy of your activation confirmation email (provided after you activate service).
Copy of the sale receipt for a SPOT service certificate (available at www.findmeSPOT.com).
Promotion #37761, SPOT 2 NATIONAL REBATE PO Box 22092, Tempe, AZ 85285-2092.