Frequently Asked Questions

We have assembled a list of frequently asked questions about starters and supporting tech. Whether it’s about part numbers or settings, you’ll find the most popular questions and answers below. If you don’t see your question, please contact our product support department.

The part number for the shear pin used on the NL series starters is part number ST4301.

Please see the product line home page, select “Support” and then “Warranty”.

Please see the product line home page, select “Support” and then “Warranty”.

If parts and/or labor are approved under the commercial portion of the ASB or SB, complete the claim form at the end of the bulletin and return to the physical or email address provided in the ASB or SB.

Within 12 months from date of invoice, any unit returned for core shall be as removed from the aircraft, be complete and not disassembled. The core must be identified with an original data tag. Missing data tags or original ink-stamped identification will not be accepted. A percentage of the core value will be charged for all missing or damaged parts.

Any product returned for warranty consideration shall be as removed from the aircraft, be complete and not disassembled. All external parts including, but not limited to, brackets, fittings, bafflings, etc. shall be removed prior to shipment as they will not be returned.

Go to the hartzell.aero website and select Videos under the Resources heading.

Please see the following link for application information.
https://skytec.aero/starter-adapters/

An “Old”, “Classic” or “Traditional” style has a steel sleeve around the spring. A “New” style adaptor will not have a steel sleeve around the spring.

“Old” style adaptors will have one snap ring in the starter flange bore, a “New” style adaptor will have two snap rings in the starter mounting flange bore.

Continental Aerospace Technologies has published numerous service docs in the past relating to adaptor assemblies.

CSB02-2C STARTER ADAPTER SHAFT SEAL INSPECTION
http://www.tcmlink.com/pdf2/CSB02-2C.pdf

M70-7 INCREASING SIZE OF OIL FEED HOLES TO STARTER ADAPTER SHAFTGEAR
http://www.tcmlink.com/pdf2/M70-7.pdf

M71-20 INSTALLATION INSTRUCTIONS FOR THE COMPRESSOR SHEAVE TO THE STARTER ADAPTER (637778)
http://www.tcmlink.com/pdf2/M71-20.pdf

M79-12 STARTER ADAPTER SHEAVE
http://www.tcmlink.com/pdf2/M79-12.pdf

M87-24 BROKEN STARTER ADAPTER SHAFTS
http://www.tcmlink.com/pdf2/M87-24.pdf

M88-5 STARTER ADAPTER SHAFTS (REFERENCE SERVICE BULLETIN M87-24)
http://www.tcmlink.com/pdf2/M88-5.pdf

M92-10 STARTER ADAPTER
http://www.tcmlink.com/pdf2/M92-10.pdf

MSB11-4B STARTER ADAPTER SHAFT GEARS
http://www.tcmlink.com/pdf2/MSB11-4B.pdf

MSB94-4H STARTER ADAPTER SHAFTGEAR AND CRANKSHAFT GEAR INSPECTION
http://www.tcmlink.com/pdf2/MSB94-4H.pdf

SB01-5 STARTER ADAPTER BEVEL GEAR INSPECTION
http://www.tcmlink.com/pdf2/SB01-5.pdf

SIL97-12 INSTALLATION OF STARTER ADAPTER SHAFT SEAL AND ASSOCIATED PARTS
http://www.tcmlink.com/pdf2/SIL97-12.pdf

Yes and it is available as a free download from the skytec.aero website at the following link. https://skytec.aero/wp-content/uploads/2020/08/ST1001-Rev.-New.pdf