HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement
Cessna 208 Caravan · Service Bulletins
Overview
This document is an Alert Service Bulletin from Hartzell Propeller Inc. regarding the replacement of the anti-ice travel tube bracket weldment for specific propeller models, particularly affecting the Cessna 208B Caravan aircraft. The bulletin outlines the necessary inspections and replacement procedures for the affected propellers, which may have issues with broken welds on the bracket weldments. It provides detailed instructions for compliance, including inspection timelines and warranty information for labor and parts. This bulletin is crucial for maintaining airworthiness and ensuring the safety of the aircraft's anti-ice system.
- Affected propellers include Hartzell model HC-B3TN-3AF/T10890CNB-2 installed on Cessna 208B Caravan aircraft.
- Inspect the 104714 bracket weldments within 50 flight hours of the bulletin's release.
- Replace the 104714 brackets with 106107 anti-ice brackets within 200 flight hours or at the next overhaul.
- Labor for inspections and replacements is covered under warranty up to $112.00 USD per hour.
- Contact Hartzell Propeller Inc. for any questions or warranty claims.
Document
Source
Originally published by hartzellprop.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Service Bulletins
- Year
- 2016
- Pages
- 24
- File size
- 1.6 MB
- Publisher
- hartzellprop.com
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In this document
Planning Information
This section details the effectivity of the service bulletin, specifically targeting Hartzell Propeller Inc. steel hub turbine propeller model HC-B3TN-3AF/T10890CNB-2. It lists the affected serial numbers and emphasizes that these propellers may be installed on Cessna 208B Caravan aircraft.
Compliance
The compliance section outlines the inspection and replacement requirements. Inspections of the 104714 bracket weldments must be performed within 50 flight hours from the bulletin's release, while replacement of the weldments with the new 106107 anti-ice brackets is required at the next propeller overhaul or within 200 flight hours.
Accomplishment Instructions
This section provides detailed instructions for inspecting and replacing the bracket weldments. It specifies the procedures for certified mechanics, including the removal of the spinner dome, examination of the weldments, and steps for replacing the brackets. It also includes torque specifications for the installation.
Warranty Program
Hartzell Propeller Inc. offers a warranty program that covers labor charges for the inspection and replacement of the brackets, provided the work is done according to the instructions in the bulletin. The warranty for parts and labor is valid until November 31, 2016.
Contact Information
For further assistance, Hartzell Propeller Inc. provides contact details for their Product Support Department, including phone, fax, and email options for inquiries related to the service bulletin.
Safety notes
- Do not use obsolete or outdated information; always refer to the most recent revision of this bulletin.
- Failure to comply with this bulletin may create an unsafe condition that could result in serious injury or property damage.
Full document text
HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN TRANSMITTAL SHEET HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement February 01, 2016 This page transmits a revision to Alert Service Bulletin HC-ASB-30-358. • Original Issue, dated Oct 01/15 • Revision 1, dated Nov 11/15 • Revision 2, dated Feb 01/16 Propeller assemblies that have previously complied with the bracket replacement required in the original issue of this Alert Service Bulletin are not affected. Changes are shown by a change bar in the left margin of the revised pages. Revision 2 is issued to change the following in the Alert Service Bulletin: - Revise Table 2, "Affected Propeller Serial Numbers" This Alert Service Bulletin is reissued in its entirety. HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN TRANSMITTAL SHEET HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement (This page is intentionally blank.) Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 1 of 18 HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement 1. Planning Information A. Effectivity (1) Hartzell Propeller Inc. steel hub turbine propeller model HC-B3TN-3AF/ T10890CNB-2 with serial numbers listed in Table 1 are affected by this Alert Service Bulletin. (a) Affected propellers may be installed on, but not limited to Cessna 208B Caravan aircraft. © 2015, 2016 - Hartzell Propeller Inc. - All rights reserved Affected Propeller Serial Numbers Table 1 Affected Propeller Serial Numbers BUA32499 BUA32699 BUA32841 BUA33007 BUA33306 BUA32500 BUA32704 BUA32846 BUA33034 BUA33316 BUA32501 BUA32709 BUA32865 BUA33045 BUA33321 BUA32519 BUA32712 BUA32870 BUA33047 BUA33322 BUA32523 BUA32716 BUA32873 BUA33048 BUA33335 BUA32524 BUA32720 BUA32876 BUA33049 BUA33364 BUA32552 BUA32730 BUA32882 BUA33066 BUA33370 BUA32553 BUA32734 BUA32886 BUA33083 BUA33380 BUA32563 BUA32753 BUA32895 BUA33085 BUA33382 BUA32565 BUA32757 BUA32900 BUA33086 BUA33386 BUA32571 BUA32759 BUA32914 BUA33104 BUA33387 BUA32573 BUA32763 BUA32916 BUA33155 BUA33398 BUA32574 BUA32767 BUA32918 BUA33159 BUA33400 BUA32576 BUA32771 BUA32923 BUA33160 BUA33404 BUA32577 BUA32772 BUA32924 BUA33163 BUA33405 BUA32580 BUA32775 BUA32925 BUA33179 BUA33406 BUA32592 BUA32776 BUA32928 BUA33181 BUA33409 BUA32596 BUA32779 BUA32954 BUA33183 BUA33410 BUA32606 BUA32783 BUA32962 BUA33198 BUA33411 BUA32608 BUA32794 BUA32963 BUA33219 BUA33412 BUA32619 BUA32800 BUA32979 BUA33240 BUA33414 BUA32641 BUA32807 BUA32983 BUA33254 BUA33418 BUA32647 BUA32817 BUA32987 BUA33270 BUA33420 BUA32660 BUA32832 BUA32990 BUA33293 BUA33441 BUA32661 BUA32837 BUA33000 BUA33294 BUA33452 BUA32676 BUA32839 BUA33003 BUA33304 BUA33498 BUA32680 BUA32840 BUA33006 BUA33305 - HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 2 of 18 WARNING: DO NOT USE OBSOLETE OR OUTDATED INFORMATION. PERFORM ALL INSPECTIONS OR WORK IN ACCORDANCE WITH THE MOST RECENT REVISION OF THIS ALERT SERVICE BULLETIN. INFORMATION CONTAINED IN THIS ALERT SERVICE BULLETIN MAY BE SIGNIFICANTLY CHANGED FROM EARLIER REVISIONS. FAILURE TO COMPLY WITH THIS ALERT SERVICE BULLETIN OR THE USE OF OBSOLETE INFORMATION MAY CREATE AN UNSAFE CONDITION THAT MAY RESULT IN DEATH, SERIOUS BODILY INJURY, AND/OR SUBSTANTIAL PROPERTY DAMAGE. REFER TO THE SERVICE BULLETIN INDEX FOR THE MOST RECENT REVISION LEVEL OF THIS ALERT SERVICE BULLETIN. B. Concurrent Requirements (1) Additional service documents may apply to the components/propellers affected by this Alert Service Bulletin. Compliance with additional service documents may be necessary in conjunction with the completion of the Accomplishment Instructions in this Alert Service Bulletin. Refer to the Hartzell Propeller Inc. website at www.hartzellprop.com for a cross-reference of service documents. C. Reason (1) Hartzell Propeller Inc. has received field reports of broken welds on the 104714 bracket weldments used to align the anti-ice fluid travel tubes on the affected propellers. (a) Broken welds on the 104714 bracket weldments may prevent the correct alignment of the travel tube that dispenses anti-ice fluid onto the anti-icing boot on the blade. (2) Hartzell Propeller Inc. is introducing the 106107 anti-ice bracket to replace the 104714 bracket weldment used on the affected propellers. (a) The 106107 anti-ice bracket is formed from a single piece of material with no welds for improved durability. (3) Regulatory action is not expected. Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 3 of 18 HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement D. Description (1) This Alert Service Bulletin provides Instructions for Continued Airworthiness (ICA). (2) This Alert Service Bulletin provides instructions for inspecting welds on the 104714 bracket weldments used on the affected propellers. (3) This Alert Service Bulletin provides instructions for removal of the 104714 bracket weldments and installation of the 106107 anti-ice brackets. (4) Hartzell Propeller Inc. will warrant the cost of parts and labor associated with the inspection and replacement of the weldment brackets. (a) Refer to the Appendix section of this Alert Service Bulletin for complete details of the warranty program. (5) This Alert Service Bulletin requires that all 104714 bracket weldments in inventory/stock be removed and returned to Hartzell Propeller Inc. E. Compliance (1) Bracket Weldment Inspection (a) Within 50 flight hours from the date of this Alert Service Bulletin, perform an inspection of the 104714 bracket weldments in accordance with the Accomplishment Instructions in this Alert Service Bulletin. (2) Bracket Replacement (Terminating Action)
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(a) At next propeller overhaul, next annual inspection, next appropriate phase inspection, or within 200 flight hours from the release date of this Alert Service Bulletin, whichever occurs first, replace the 104714 bracket weldments with 106107 anti-ice brackets in accordance with the Accomplishment Instructions in this Alert Service Bulletin. 1 Replacement of the 104714 bracket weldments with 106107 anti- ice brackets is terminating action for this Alert Service Bulletin. F. Approval (1) FAA acceptance has been obtained on technical data in this publication that affects type design. HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 4 of 18 G. Manpower Procedure Man-hours Bracket Weldment Inspection 1 hour Bracket Replacement 2.5 hours Dynamic Balance (optional) 3.0 hours H. Weight and Balance (1) Not changed I. Electrical Load Data (1) Not changed CAUTION: DO NOT USE OBSOLETE OR OUTDATED INFORMATION. PERFORM ALL INSPECTIONS OR WORK IN ACCORDANCE WITH THE MOST RECENT REVISION OF A DOCUMENT. J. References (1) Hartzell Propeller Inc. Propeller Owner's Manual 139 (61-00-39) - Available on the Hartzell Propeller Inc. website at www.hartzellprop.com (2) Hartzell Propeller Inc. Propeller Ice Protection System Manual 180 (30-61-80) - Available on the Hartzell Propeller Inc. website at www.hartzellprop.com (3) Hartzell Propeller Inc. Standard Practices Manual 202A (61-01-02) - Volume 7, Consumable Materials is available on the Hartzell Propeller Inc. website at www.hartzellprop.com (4) Airframe Manufacturer's Maintenance Manual (AMM) K. Other Publications Affected (1) Hartzell Propeller Inc. Propeller Ice Protection System Manual 180 (30-61-80) - Available on the Hartzell Propeller Inc. website at www.hartzellprop.com (2) Hartzell Propeller Inc. Propeller Ice Protection System Component Maintenance Manual 181 (30-60-81) - Available on the Hartzell Propeller Inc. website at www.hartzellprop.com Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 5 of 18 HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement 2. Material Information A. Required Components 106200 Kit, Anti-ice, Replacement Part Number Description Qty 106107 Bracket, Anti-ice 3 B-3384-4 Bolt, 1/4-28, Hex Head 6 B-3837-0432 Washer, Corrosion Resistant 6 104789 Screw, 1/4-28, 100° Head 3 106118 Washer, 1/4", .875 OD 6 B-3808-4 Nut, Hex, Self-Locking 3 B-3845-7 Screw, 10-32, Truss Head 3 B-3808-3 Nut, Hex, Self-Locking 3 B. Consumables (1) Loctite 222, Threadlocker, Low Strength, CM21 (2) Grease, CM12 (3) 0.032 inch (0.81 mm) Stainless Steel Safety Wire NOTE: All CM numbers in this Alert Service Bulletin refer to the Hartzell Propeller Inc. Standard Practices Manual 202A, Volume 7, Consumable Materials and Packaging and Storage (Available on the Hartzell Propeller Inc. website at www.hartzellprop.com). C. Special Tooling (1) Safety wire pliers Locally procured (2) Torque wrench Locally procured (3) 7/16 inch Torque wrench adapter Locally procured (4) 7/16 inch Crowfoot wrench Locally procured HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 6 of 18 104714 Bracket Weldment Inspection Figure 1 104714 Bracket Weldment Cracked Weld 104714 Bracket Weldment Welds Base TPI-MB-0049 Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 7 of 18 HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement 3. Accomplishment Instructions A. Bracket Weldment Inspection (1) This procedure may be performed by a certified aircraft mechanic with the appropriate rating or by a certified propeller repair station with the appropriate rating. (2) Remove the spinner dome in accordance with Hartzell Propeller Inc. Owner's Manual 139 (61-00-39). (3) Examine each 104714 bracket weldment on the affected propeller for cracked or broken welds at the base of the bracket. Refer to Figure 1. (a) If none of the 104714 bracket weldments have any cracked/broken welds, the propeller passes the bracket weldment inspection. (b) If any of the 104714 bracket weldments have one (but no more than one) cracked/broken weld, the propeller fails the bracket weldment inspection. 1 If the cracked/broken weld is still securing the upper portion of the bracket to the base: a Within 50 flight hours of the bracket weldment inspection, replace all three bracket weldments in accordance with section 3.B. of the Accomplishment Instructions in this Alert Service Bulletin. 2 If the cracked/broken weld has caused separation between the upper portion of the bracket and the base: a Contact the Product Support Department at Hartzell Propeller Inc. before further flight. (c) If any of the 104714 bracket weldments have two or more cracked/broken welds, the propeller fails the bracket weldment inspection. 1 Contact the Product Support Department at Hartzell Propeller Inc. before further flight. (4) Complete the Inspection Report/Compliance Form in the Appendix section of this Alert Service Bulletin. HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 8 of 18 B. Bracket Replacement (Terminating Action) (1) This procedure may be performed on-wing by a certified aircraft mechanic with the appropriate rating or by a certified propeller repair station with the appropriate rating. (2) Remove the spinner dome in accordance with Hartzell Propeller Inc. Owner's Manual 139 (61-00-39). (3) Open the upper right cowling door and remove the right nose cap in accordance with the airframe manufacturer's maintenance manual (AMM). (4) Disconnect the three link arms from the piston unit. Refer to Figure 2. NOTE: Disconnecting the link arms will permit the blades to be rotated for access to remove/install the 106107 anti-ice brackets. (a) Cut and remove the safety wire securing the B-3840-6 screw to the A-1464 link pin unit. (b) Remove and retain the B-3840-6 screw and the A-1464 link pin unit. (c) Repeat steps 3.B.(4)(a) and 3.B.(4)(b) for each link arm. B-3840-6 Screw A-1464 Link Pin Unit Link Arm Piston Unit Disconnecting the Link Arm from the Piston Unit Figure 2 TPI-MB-00117 Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 9 of 18 HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement TPI-MB-0075 Removing the 104714 Bracket Weldment Figure 3 104716 Travel Tube Weldment 104714 Bracket Weldment 104748 Fitting (Base) 104748 Fitting (Cap) (Ferrule) B-3845-7 Screw B-3808-3 Nut B-3384-4 Hex Bolt B-3837-0432 Washer B-3808-4 Hex Nut B-3837-0432 Washer 104789 Screw HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 10 of 18 (5) Remove the 104716 travel tube weldment from the 104714 bracket weldment. Refer to Figure 3. (a) Holding the base of the 104748 fitting to prevent rotation, loosen the cap of the 104748 fitting until it separates from the base. (b) Remove and discard the B-3845-7 screw and the B-3808-3 nut from the 104714 bracket weldment. (c) Remove the 104716 travel tube weldment from the base of the 104748 fitting. 1 Do not remove the cap and ferrule of the 104748 fitting from the 104716 travel tube weldment. These components will be reused. (6) Remove and discard the 104714 bracket weldment. Refer to Figure 3. (a) Remove and discard the two B-3384-4 hex bolts and two B-3837-0432 washers. (b) Remove and discard the B-3808-4 hex nut, B-3837-0432 washer, 104789 screw, and the 104714 bracket weldment. (7) Install the 106107 anti-ice bracket. Refer to Figure 4. (a) Align the mounting holes in the 106107 anti-ice bracket with the mounting holes in the bulkhead. (b) Put one 106118 washer under the 106107 anti-ice bracket on the same side as the travel tube mounting hole as shown in Figure 4. (c) Apply Loctite 222 CM21 to the threads of the two B-3384-4 hex bolts. (d) Install two B-3384-4 hex bolts and two B-3837-0432 washers through the two outer mounting holes in the 106107 anti-ice bracket. CAUTION: USE CAUTION WHEN ROTATING THE BLADES TO PREVENT DAMAGE TO THE PISTON. 1 Manually rotate the blade as necessary for access to install the two B-3384-4 hex bolts. (e) Install the 104789 screw from the aft-side of the bulkhead through the inner mounting hole of the 106107 anti-ice bracket, then install the 106118 washer and B-3808-4 hex nut. 1 Torque the B-3808-4 hex nut to 70 - 85 In-Lbs (8.0 - 9.6 N•m). a If necessary, use a 7/16 inch crowfoot wrench to torque the B-3808-4 hex nut. Refer to Figure 5. Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 11 of 18 HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement TPI-MB-0114 106107 Anti-ice Bracket Installing the 106107 Anti-ice Bracket Figure 4 B-3384-4 Hex Bolt B-3837-0432 Washer 106118 Washer B-3384-4 Hex Bolt B-3837-0432 Washer B-3808-4 Hex Nut 104789 Screw Travel Tube Mounting Hole Bulkhead HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 12 of 18 (f) Torque the two B-3384-4 hex bolts to 96 - 120 In-Lbs (10.9 - 13.5 N•m). 1 If necessary, use a 7/16" torque wrench adapter (Snap-On Tool part number FRDH141 or equivalent), or a torque wrench with a head that is approximately 0.750 inch (19.05 mm) wide or smaller to torque the B-3384-4 hex bolt that is under the blade. Refer to Figure 5. a When an adapter is used with the torque wrench, use the equation in Figure 6 to determine the torque value. Torque Wrench/Adapters Figure 5 TPI-MB-0109 Torque Wrench 0.750 inch (19.05 mm) 7/16 inch Torque Wrench Adapter Refer to Figure 6 when using a torque wrench adapter. 7/16 inch Crowfoot Wrench Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 13 of 18 HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement (actual torque required) x (torque wrench length) (torque wrench length) + (length of adapter) = torque wrench reading to achieve required actual torque 100 Ft-Lb (136 N•m) x 1 ft (304.8 mm) 1 ft (304.8 mm) + 0.50 ft (152.4 mm) = 66.7 Ft-Lb (9.1 N•m) reading on torque wrench with 6-inch (152.4 mm) adapter for actual torque of 100 Ft-Lb (136 N•m) < EXAMPLE: Determining Torque Value of a Standard Torque Wrench With Adapter Figure 6 Standard Torque Wrench Torque Wrench Adapter 0.50 foot (152.4 mm) 1.00 foot (304.8 mm) APS212 The correction shown is for an adapter that is aligned with the centerline of the torque wrench. If the adapter is angled 90 degrees relative to the torque wrench centerline, the torque wrench reading and actual torque applied will be equal. HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 14 of 18 (8) Lubricate the components of the 104748 fitting. (a) Apply grease CM12 or equivalent to the ferrule, the threads of the base, and the cone inside the cap of the 104748 fitting. Refer to Figure 7. (9) Install the 104716 travel tube weldment in the base of the 104748 fitting until it is firmly seated. Refer to Figure 7. (10) Hand tighten the cap of the 104748 fitting onto the base of the 104748 fitting. (11) Using one B-3845-7 screw and one B-3808-3 nut, attach the 104716 travel tube weldment to the 106107 anti-ice bracket as shown in Figure 7. (12) Make an alignment mark on the cap and base of the 104748 fitting. (13) Holding the base of the 104748 fitting to prevent rotation, use a wrench to tighten the cap of the 104748 fitting an additional 1/3 to 1/2 turn from the alignment mark. 104748 Fitting (Base) 104748 Fitting (Cap) (Ferrule) B-3845-7 Screw B-3808-3 Nut 104716 Travel Tube Weldment Installing the 104716 Travel Tube Weldment Figure 7 TPI-MB-0037b 104716 Travel Tube Weldment Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 15 of 18 HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement (14) Position the blade for travel tube alignment. (a) Manually rotate the blade until the counterweight touches the piston unit as shown in Figure 8. Positioning the Blade for Travel Tube Alignment Figure 8 Counterweight Piston Unit Link Arm Counterweight touching the piston unit TPI-MB-0115 HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 16 of 18 Aligning the 104716 Travel Tube Weldment Figure 9 Center Channel (short) - shown for reference only Channel #1 104716 Travel Tube Weldment Align the opening of the tube with Channel #1 as shown. 104716 Travel Tube Weldment The gap between the travel tube weldment and the blade must be: 0.050 - 0.070 inch (1.27 - 1.77 mm) Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 17 of 18 HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement (15) Align the 104716 travel tube weldment with the anti-icing boot. (a) With the counterweight touching the piston unit, align the opening of the 104716 travel tube weldment with Channel #1 of the anti-icing boot as shown in Figure 9. (b) Adjust the 104716 travel tube weldment until the gap between the opening of the travel tube and the blade is 0.050 - 0.070 inch (1.27 - 1.77 mm). Refer to Figure 9. CAUTION: THE 104716 TRAVEL TUBE WELDMENT MAY ROTATE WHEN THE B-3808-3 NUT IS TORQUED. CHECK THE ALIGNMENT OF THE TRAVEL TUBE AFTER TORQUING THE NUT. (16) Torque the B-3808-3 nut to 20 - 25 In-Lbs (2.26 - 2.82 N•m). Refer to Figure 7. (17) Repeat steps 3.B.(5) through 3.B.(16) for the remaining 104714 bracket weldments. (18) Connect the three link arms to the piston unit. Refer to Figure 3. (a) Manually rotate the blade as necessary to align the link arm with the link pin unit hole in the piston unit. (b) Install the A-1464 link pin unit, then install the B-3840-6 screw. (c) Safety the B-3840-6 screw to the A-1464 link pin unit with 0.032 inch (0.81 mm) stainless steel safety wire. (d) Repeat steps 3.B.(18)(a) through 3.B.(18)(c) for each link arm. (19) Install the right nose cap in accordance with the airframe manufacturer's maintenance manual (AMM). (20) Install the spinner dome in accordance with Hartzell Propeller Inc. Owner's Manual 139 (61-00-39). (21) Dynamic balance is optional, but may be accomplished at the discretion of the operator. (a) Perform dynamic balance in accordance with Hartzell Propeller Inc. Standard Practices Manual 202A (61-01-02) or the Airframe Manufacturer's Maintenance Manual (AMM). (22) Make an entry in the propeller logbook indicating compliance with the bracket replacement as terminating action for this Alert Service Bulletin. (a) Complete the Inspection Report/Compliance Form in the Appendix section of this Alert Service Bulletin. HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN HC-ASB-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASB-30-358 Revision 2, Feb 01/16 Page 18 of 18 C. Recommended Service Facilities (1) Hartzell Propeller Inc. has a worldwide network of Recommended Service Facilities for overhaul and repair of our products. (2) Each service facility must meet standard FAA requirements and additional Hartzell Propeller requirements before being recommended by Hartzell Propeller Inc. Each service facility is audited by Hartzell Propeller Inc. to verify the continuation of the standards. (3) Hartzell Propeller Inc. recommends that you use one of these service facilities when having your propeller overhauled or repaired. (4) For a current list of Hartzell Propeller Inc. Recommended Service Facilities, contact Hartzell Propeller Inc. Product Support or refer to the Hartzell Propeller Inc. website at www.hartzellprop.com. D. Contact Information Hartzell Propeller Inc. Attn.: Hartzell Propeller Inc. Product Support One Propeller Place Piqua, Ohio 45356-2634 USA Phone: (001) 937.778.4379 Fax: (001) 937.778.4215 E-mail: techsupport@hartzellprop.com 1. Eligibility A. Hartzell Propeller Inc. steel hub turbine propeller model HC-B3TN-3AF/ T10890CNB-2 with serial numbers listed in Table 1 of this Alert Service Bulletin are eligible for this warranty program. (a) Affected propellers may be installed on, but not limited to Cessna 208B Caravan aircraft. 2. Warranty Expiration A. This warranty program expires on November 31, 2016. 3. Recommended Service Facilities A. Hartzell Propeller Inc. has a worldwide network of Recommended Service Facilities for overhaul and repair of our products. B. Each service facility must meet standard FAA requirements and additional Hartzell Propeller Inc. requirements before being recommended by Hartzell Propeller Inc. Each service facility is audited by Hartzell Propeller Inc. to verify the continuation of the standards. C. Hartzell Propeller Inc. recommends that you use one of these service facilities when having your propeller overhauled or repaired. D. For a current list of Recommended Service Facilities, refer to the Hartzell Propeller Inc. website at www.hartzellprop.com, or contact Hartzell Propeller Inc. Product Support Department. HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN APPENDIX HC-ASBA-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASBA-30-358 Revision 2, Feb 01/16 Page 1 of 4 Document No. HC-ASB-30-358 Date of Issue: Oct 01/15 Revision: 2 Rev. Date: Feb 01/16 4. Warranty Program A. Bracket Weldment Inspections (1) Hartzell Propeller Inc. will warrant the labor charges associated with the bracket weldment inspection performed on an affected propeller when done in accordance with the Accomplishment Instructions section of this Alert Service Bulletin. (a) Refer to the Manpower section of this Alert Service Bulletin for warranted procedures and allowable man-hours. 1 Hartzell Propeller Inc. will authorize payment for warranty labor charges up to, but not to exceed $112.00 USD per hour. (b) Complete and sign the Inspection Report/Compliance Form in this Alert Service Bulletin Appendix. NOTE: This will be considered your labor invoice upon approval. 1 Send the completed/signed form to the Product Support Department at Hartzell Propeller Inc. for processing. (2) Hartzell Propeller Inc. will review the completed form and assign a warranty claim number to approved applicants, authorizing payment of the allowable labor charge. (a) This warranty claim number is assigned to the propeller serial number and must be referenced on each warranty-related form submitted for that propeller. HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN APPENDIX HC-ASBA-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASBA-30-358 Revision 2, Feb 01/16 Page 2 of 4 Document No. HC-ASB-30-358 Date of Issue: Oct 01/15 Revision: 2 Rev. Date: Feb 01/16 B. Bracket Replacement (Terminating Action) (1) Hartzell Propeller Inc. will warrant the labor charges associated with the replacement of the brackets when performed in accordance with the Accomplishment Instructions in this Alert Service Bulletin. (a) Refer to the Manpower section of this Alert Service Bulletin for warranted procedures and allowable man-hours. 1 Hartzell Propeller Inc. will authorize payment for warranty labor charges up to, but not to exceed $112.00 USD per hour. (b) Complete and sign the Inspection Report/Compliance Form in this Alert Service Bulletin Appendix. 1 Send the completed/signed form, the invoice for the warranted labor charges, and a copy of the logbook entry showing compliance with the bracket replacement and dynamic balance (if applicable) to the Product Support Department at Hartzell Propeller Inc. for processing. 2 Hartzell Propeller Inc. will authorize payment for the allowable labor charges upon receipt of the invoice and the completed Inspection Report/Compliance Form. (2) Hartzell Propeller Inc. will provide the replacement parts associated with the bracket replacement free of charge. (a) Refer to the Material Information section of this Alert Service Bulletin for a list of approved replacement parts. C. Contact Information Hartzell Propeller Inc. Attn: Alert Service Bulletin 358 Coordinator One Propeller Place Piqua, OH 45356-2634 USA Phone: (001) 937.778.4379 Fax: (001) 937.778.4215 E-mail: techsupport@hartzellprop.com HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN APPENDIX HC-ASBA-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASBA-30-358 Revision 2, Feb 01/16 Page 3 of 4 Document No. HC-ASB-30-358 Date of Issue: Oct 01/15 Revision: 2 Rev. Date: Feb 01/16 Inspection Report/Compliance Form Warranty Claim Number: Owner Information: Name: Phone: Address: Fax: E-mail: City: Zip/Postal Code: State: Country: Repair Station: Company: Phone: Contact Name: Fax: Address: Email: City: Zip/Postal Code: State: Country: Signature: Propeller Information: (TSN = time since new TSO = time since overhaul) Propeller Model: Propeller S/N: Propeller TSN: Propeller TSO: Inspection/Compliance Information: Bracket Weldment Inspection: PASS FAIL Date: Bracket Replacement Complete: YES NO Date: Dynamic Balance Performed: YES NO Date: Send this completed and signed form to Hartzell Propeller Inc. Product Support Department: Fax: (001) 937.778.4215 or E-mail: techsupport@hartzellprop.com DO NOT WRITE BELOW THIS LINE - FOR HARTZELL PROPELLER INC. USE ONLY Warranty Claim Number: Authorized By: HARTZELL PROPELLER INC. ALERT SERVICE BULLETIN APPENDIX HC-ASBA-30-358 Anti-ice - Travel Tube Bracket Weldment Replacement Oct 01/15 HC-ASBA-30-358 Revision 2, Feb 01/16 Page 4 of 4 Document No. HC-ASB-30-358 Date of Issue: Oct 01/15 Revision: 2 Rev. Date: Feb 01/16







