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Part # ABI-0742152
TAILSPRING ASSEMBLY, Cessna 180/185
Product Details
Specifications
- Approval
- Condition
- New
- Manufacturer
- Alaska Bushwheels, Inc.
- Dimensions
- L: 40 x W: 8 x H: 9 in
- Weight
- 13 lbs
- Unit of Measure
- Each
- McFarlane Part Number
- ABI-0742152
Product Description
ABI Cessna 180/185 Tailspring Assembly
ABI-0742152 Tail Gear Assembly For Cessna 180 and 185 Aircraft
Features an increased-arch tail gear spring that reduces tailwheel shimmy. Includes STC documentation and all mounting hardware. FAA-PMA and STC approved. This kit includes STC and the following components:
| Part Number | Description | Qty |
|---|---|---|
ABI-0742152-2 |
Tail Gear Spring |
1 |
ABI-0742150-2 |
Tail Spring Saddle Tube |
1 |
ABI-0742112 |
Tailspring Angled Bushing |
2 |
ABI-0742100-6 |
Washer |
4 |
ABI-0742179-1 |
Black Washer |
2 |
ABI-0742146-10 |
Tailspring Saddle Assembly |
1 |
ABI-0742151-1 |
Tailspring Stopper |
1 |
NAS6205-31 |
Bolt |
2 |
AN960-516L |
Washer |
2 |
MS20392-1C33 |
Clevis Pin |
2 |
1/6” Cotter Pin for Castle Nut |
2 |
|
Nut: All Metal Lock |
2 |
Note: Kit components are NOT PMA approved for individual replacement. Parts are intended to be installed as a complete kit.
STC Paperwork available separately under SA02299SE.
WARNING: Cancer and/or Reproductive Harm - California Proposition 65 Resources
Eligible Aircraft
| Make | Model | Start S/N | End S/N | Eligibility Chart |
|---|---|---|---|---|
| Cessna 180 | 180 | S/N 30000 – 32661 | 32661 | Eligibility Chart 7842 |
| Cessna 180A | 180A | S/N 32662 – 50355 | 50355 | Eligibility Chart 7842 |
| Cessna 180B | 180B | S/N 50356 – 50661 | 50661 | Eligibility Chart 7842 |
| Cessna 180C | 180C | S/N 50662 – 50911 | 50911 | Eligibility Chart 7842 |
| Cessna 180D | 180D | S/N 18050912 – 18051063 | 18051063 | Eligibility Chart 7842 |
| Cessna 180E | 180E | S/N 18051064 – 18051183 | 18051183 | Eligibility Chart 7842 |
| Cessna 180F | 180F | S/N 18051184 – 18051312 | 18051312 | Eligibility Chart 7842 |
| Cessna 180G | 180G | S/N 18051313 – 18051445 | 18051445 | Eligibility Chart 7842 |
| Cessna 180H | 180H | S/N 18051446 – 18052284 | 18052284 | Eligibility Chart 7842 |
| Cessna 180J | 180J | S/N 18052285 – 18052384 | 18052384 | Eligibility Chart 7842 |
| Cessna 180J | 180J | S/N 18052385 – 18052770 | 18052770 | Eligibility Chart 7842 |
| Cessna 180K | 180K | S/N 18052771 – 18053203 | 18053203 | Eligibility Chart 7842 |
| Cessna 185 | 185 | S/N 185-0001 – 185-0237 | 185-0237 | Eligibility Chart 7842 |
| Cessna 185A | 185A | S/N 185-0238 – 185-0512 | 185-0512 | Eligibility Chart 7842 |
| Cessna 185B | 185B | S/N 185-0513 – 185-0653 | 185-0653 | Eligibility Chart 7842 |
| Cessna 185C | 185C | S/N 185-0654 – 185-0776 | 185-0776 | Eligibility Chart 7842 |
| Cessna 185D | 185D | S/N 185-0777 – 185-0967 | 185-0967 | Eligibility Chart 7842 |
| Cessna 185E | 185E | S/N 185-0968 – 185-1149 | 185-1149 | Eligibility Chart 7842 |
| Cessna A185E | A185E | S/N 18501600 – 18502090 | 18502090 | Eligibility Chart 7842 |
| Cessna A185E | A185E | S/N 185-0968 – 185-1599 | 185-1599 | Eligibility Chart 7842 |
| Cessna A185F | A185F | S/N 18502091 – 18502310 | 18502310 | Eligibility Chart 7842 |
| Cessna A185F | A185F | S/N 18502311 – 18504448 | 18504448 | Eligibility Chart 7842 |
FAQs
What Cessna models is the ABI-0742152 tail gear assembly approved for?
The ABI-0742152 is approved for Cessna 180 (all variants 180 through 180K) and Cessna 185 (185 through 185E, A185E, and A185F). It is FAA-PMA and STC approved under SA02299SE.
What does the ABI-0742152 kit include?
The complete assembly includes: ABI-0742152-2 tail gear spring, ABI-0742150-2 saddle tube, ABI-0742146-10 saddle assembly, ABI-0742151-1 spring stopper, 2x ABI-0742112 angled bushings, ABI-0742100-6 washers, ABI-0742179-1 black washers, NAS6205-31 bolts, AN960-516L washers, MS20392-1C33 clevis pins, cotter pins, and all-metal lock nuts. STC documentation is included.
How does the ABI-0742152 differ from the OEM Cessna tail spring?
The ABI spring features an increased spring angle (from 14.5 to 16.5 degrees) and increased end diameter on older model aircraft. These changes allow installation of a heavier-duty spring and are specifically designed to reduce the incidence of tailwheel shimmy. Otherwise, installation is identical to OEM and no maintenance manual changes are required.
Does the ABI-0742152 include the tailwheel assembly?
No. The tailwheel assembly is not included and must be retained from the removed OEM assembly. If the existing tailwheel head is not compatible with a 1-1/8" diameter tail spring, a new tailwheel head capable of accommodating the 1-1/8" spring will be required.
What should I do before mounting the tailwheel assembly onto the new ABI spring?
Lubricate the unpainted end of the tail spring with rust preventative oil or grease before installing the tailwheel assembly. This prevents corrosion and galling of the aluminum during and after installation.
Can worn bolt holes in the ABI-0742152 spring be drilled or reamed oversize?
No. The spring is a heat-treated and stress-relieved component. Drilling or reaming oversized holes in the spring is not acceptable. If the spring bolt holes are worn, the saddle and spring assembly must be replaced.
How do I diagnose excessive play in the ABI-0742152 tail gear?
Move the tail side to side and inspect visually for movement between the fuselage and the tail gear. If play is present, check the torque on the saddle bolts and tailwheel attach bolts first. If play remains after verifying torque, remove the assembly and inspect the saddle, tailwheel, and spring bolt holes for wear. Replace worn components with new ABI parts.
What are the saddle bolt torque specs for the ABI-0742152?
Torque the NAS6205-31 saddle bolts to 160 in/lbs. Torque the attachment bolts per the Cessna 100 Series Service Manual.
What is the installed weight of the ABI-0742152 tail gear assembly?
The installed weight is 11.13 lbs. To calculate the net weight change, subtract the weight of the removed OEM assembly from 11.13 lbs, then revise weight and balance accordingly.
What inspection interval applies to the ABI-0742152?
Visually inspect before each flight for corrosion, cracks, or damage. Perform a full inspection per the ICA at each 100-hour and annual inspection. There are no additional airworthiness limitations associated with this assembly.
Is STC paperwork available separately for the ABI-0742152?
Yes. STC paperwork only is available under part number SA02299SE for owners who need the documentation separately from the hardware.
