Stabilizer Jack Screw Actuator Kit
Improved material for extreme corrosion resistance
McFarlane replaces the original steel components with duplex stainless steel (even better than monel) components for a long life.
Now improved with a Black Max™ nitrocarburized screw assembly to reduce friction and extend service life!
Ultra-precision bearing with no backlash
Improved Bearing
Precision bearing reduces free play and features extra low temperature grease for easy turning at low temperatures.
Improved Strength and Reliability
The original Cessna actuators use a 3/32" roll pin to attach the sprockets and retaining collars to the screw bars. These pins are critical as the front of the stabilizer would detach from the airframe if they failed. Although the original roll pins are technically strong enough, due to the nature of roll pins, they are prone to unpredictable failure. This is especially true if they are bent or damage during installation. To provide a more robust design, McFarlane redesigned the sprocket and retaining collar to allow the use of a 5/32" roll pin. This more than doubles the strength of the design. The screw and barrel are match machined for a precision fit.
Convenient Kit
Stabilizer jack screw actuator kit part number 1111 is an FAA-PMA/STC approved kit to replace all wear components for the stabilizer actuator assemblies for many Cessna 180, 182 and 185 aircraft. The convenient kit includes all parts required to replace the following Cessna parts in both the left-hand and right-hand actuators:
Replacement Components
Part number 1111 contains the following replacement components:
Instructions for Continued Airworthiness
Trim Actuator Boot and Clamp
Now FAA-PMA approved and manufactured by McFarlane
Boot P/N MC0712500-18 and Clamp P/N MC7137
Convenient Tool
Stabilizer Jack Screw Pin Removal Tool
Easily and safely remove and install your roll pin with the turn of a wrench.
Maintenance Tip!
If the stabilizer is sluggish or jams, clean the barrel and screw jack and re-apply a coating of MIL-PRF-23827 low temperature grease. Rayco 27 or Aeroshell 7 both meet MIL-PRF-23827. For complete instructions, see the Instructions for Continued Airworthiness.
OEM Part Number | McFarlane Part Number | Comment |
0310332 | 1111 | |
0712500-1 | 1111 | |
0712500-10 | 1111 | |
0712500-11 | 1111 | |
0712500-13 | 1111 | |
0712500-19 | 1111 | |
0712500-2 | 1111 | |
0712500-7 | 1111 | |
0712502 | 1111 | |
MS20201KP6A | 1111 | |
AN201KP6A | 1111 |
McFarlane STC Use Authorization |
2011-03-17 Cessna 180/182/185 Stabilizer Jack Screw Actuators |
2018-08-21 Tie-Down Eyebolts, Trim Wheel Shafts, Trim Wheel Sprockets and more |
McFarlane Aviation, Inc. PMA Supplement 52 |
ICA, Kit, Stabilizer Jack Screw Actuator, Cessna, 1111 |
ELIGIBILITY, Stabilizer Screw Jack Actuator, Cessna |
Question |
My Cessna 180/182/185 stabilizer trim is hard to turn or jams. How do I fix it?
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Please verify product details for suitability for your application.