F-16 Electric Power Systems
F-16 EPS system components were designed in the 1970-1980’s and the current operational environment differs
significantly from that considerated during the original design specification. Hamilton Sundstrand continues to
improve reliability on EPS products by applying current technology and offers upgrade kits to increase MTBF.
F-16 40/60 KVA Main Generator
The original 40/60 KVA generator rotor design is prone to
wedge creep. Also, the original design uses diodes which
are not adequate for more robust missions. The Hamilton
Sundstrand upgrade kit addresses both of these issues by
providing improved replacement rotor wedges and more
robust and readily available diodes. Also included are a
replacement wire tie, tape adhesive and epoxy to enable a
complete re-build. F-16 Main Generator upgrades include
steel rotor wedges, diode upgrades, wire containment
improvements and EPA approved encapsulation material.
Available Kits:
174-37 kit For wedges and diodes with some
insulation for the 40 KVA unit
174-38 kit As above for the 60 KVA unit
174-52 kit Contains shop items to support repair
of 10 rotors ( 40KVA or 60KVA units )
F-16 Constant Speed Drive (CSD) Improvements
10 KVA Backup Generator Upgrade
This system was originally designed by Westinghouse Electric
Company in the 1980’s. The generator is high speed, air cooled,
10 KVA rated, PMG constant power, VSCF with Converter. It
operates whenever the engine is operating via the engine
gearbox. HSC made initial improvements with Kit 179-04. Kit
contained new armature shaft assembly, new hardened insert
(located in the end bell housing), new bearings with improved
grease and improved the clamping of the drive end bearing. It
improved the MTBF but did not satisfy the customer expectations.
Hamilton Sundstrand is finalizing
another modification program based
on customer reports. Proposed and
tested new Hamilton Sundstrand
design changes MTBF using a high
speed bearing with a greater sized
bearing to improve cooling, reduce
dry out condition and further
improve balance.
New kit will be available in 2011. Aero Precision will be the source for this new kit.
CSD Previous Gear Failure
The replacement auxiliary gear design eliminates generator overspeed
Case pressure relief valve eliminates case rupture
Dual purpose “push to vent “ and “vacuum break” valve installed in the
existing push vent location
Hydraulic log’s hard-coated wobblers prevent contamination
and increasing service life
Graphitic tool steel slippers are less scratch sensitive
Crowned pistons reduce wear between the piston and cylinder block liner
SEC filter (Scavenge and Charge) reduces soap formation
Input shaft and seal design reduces leak potential
A carbon journal in the port plates improves overall port plate bearing life
174-44 kit For F-16 A/B/C/D
174-55 kit For F-16 C/D CSD: includes 174-44
174-72 kit For F16 A/B CSD : includes 174-44
Case Overpressure Failure
F-16 Electric Power Systems
F-16 Electric Power Systems
Aero Precision is the worldwide exclusive stocking
distributor for Hamilton Sundstrand’s F-16
Generators and CSD.
Generator, Main
Generator, Standby
Constant Speed Drive (CSD)
Generator Control Unit (GCU)
Aero Precision has also signed a Manufacturing
License Agreement with Hamilton Sundstrand for
the F-16 Constant Speed Drive (CSD) & Generator
unique and common parts and/or components for
military applications including U.S. Government
Foreign Military Sales (FMS) solicitations.
Aero Precision has the right to manufacture, have
manufactured, procure, test, use, sell, lease and
otherwise dispose of the F-16 CSD & Generator
components.
Hamilton Sundstrand provides electric power
generating and control systems, fuel and special
fluid pumps, engine control systems, gearboxes,
auxiliary power units, environmental control
systems, propeller systems, and electronic
controls and components.
Aero Precision has significant inventory levels
for all Hamilton Sundstrand F-16 EPS Generators,
CSD at the LRU and subcomponent levels. Aero
Precision provides short lead time and competitive
price advantages due to higher quantity
procurements and stands ready to support all
spare parts and R&OH needs.
Accessory Drive Gearbox (Repair Only)
Copyright © 1993 - 2014 Aero Precision - A Greenwich AeroGroup Company
Rev.2014.11.06
201 Lindbergh Avenue
Livermore, CA 94551
Phone: 925.455.9900
www.aeroprecision.com
sales@aeroprecision.com