SERVICE BULLETIN SB7041
Beechcraft 1900D · Service Bulletins
Overview
This service bulletin, SB7041, provides instructions for upgrading the 30-204 Brake Assembly to the 30-204A configuration for all Beechcraft Model 1900, 1900C, and 1900D aircraft equipped with Parker 30-204 Brake Assemblies. The upgrade aims to enhance the service life of the existing brake assemblies. The document includes details on the necessary parts, compliance recommendations, and installation instructions. It is essential for maintenance personnel to follow these guidelines to ensure the aircraft's braking system is up to date and functioning optimally.
- The service bulletin applies to Beechcraft Models 1900, 1900C, and 1900D.
- The upgrade improves the service life of the brake assemblies by using two 159-05900 brake discs instead of two 159-04000 discs.
- A mixed configuration of brake assemblies is not permissible; all must be either 30-204 or 30-204A.
- Compliance with the bulletin is recommended at the time of overhaul and is FAA DER approved.
- Each upgrade kit (P/N SB7041-1) converts four brakes on one aircraft.
Document
Source
Originally published by www.clevelandwheelandbrake.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Service Bulletins
- Year
- 1994
- Pages
- 2
- File size
- 35 KB
- Publisher
- www.clevelandwheelandbrake.com
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- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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In this document
Applicability
This service bulletin applies to all Beechcraft Model 1900, 1900C, and 1900D aircraft that are equipped with Parker 30-204 Brake Assemblies. The upgrade is facilitated through Parker conversion kit 199-184 (STC 1789GL).
Upgrade Description
The bulletin outlines the upgrade from the 30-204 Brake Assembly to the 30-204A configuration. The new assembly uses two 159-05900 brake discs, which provide improved service life compared to the older 30-204 assembly that uses two 159-04000 brake discs. It is important to note that an aircraft must use either all 30-204A assemblies or all 30-204 assemblies; mixed configurations are not allowed.
Compliance and Approval
The upgrade is recommended at the time of overhaul and has been FAA DER approved. This ensures that the design contents meet regulatory standards for safety and performance.
Instructions for Upgrade
The document provides step-by-step instructions for upgrading the brake assembly, including the removal of old components, reassembly with new parts, and necessary identification markings. It emphasizes the importance of following the Component Maintenance Manual CM30-204A for proper assembly and testing.
Materials Required
The service bulletin specifies the materials needed for the upgrade, including the Service Bulletin Kit (P/N SB7041-1) and various components such as brake discs and manuals. Each kit is designed to convert four brakes on one aircraft.
Safety notes
- Ensure that the 30-204 Brake Assembly and 40-273 or 40-273A Wheel Assembly are removed before performing the upgrade instructions.
Full document text
ClevelandWheels & Brakes Parker Hannifin Corporation Aircraft Wheel & Brake 1160 Center Road, P.O. Box 158 Avon, Ohio 44011 USA 1-800-BRAKING (272-5464) 216-937-1272 l FAX 216-937-5409 SERVICE BULLETIN Initial Release October 24, 1994 Rev A July 1, 1995 SB7041 Page 1 of 2 UPGRADE OF 30-204 BRAKE ASSEMBLY TO 30-204A CONFIGURATION EFFECTIVITY: All Parker Hannifin P/N 30-204 Brake Assemblies. APPLICABILITY: All Beechcraft Model 1900, 1900C and 1900D aircraft equipped with Parker 30-204 Brake Assemblies per Parker conversion kit 199-184 (STC 1789GL). REASON: Product improvement - To improve the service life of the existing 30-204 Brake Assemblies used on the Beechcraft Models 1900, 1900C and 1900D aircraft. DESCRIPTION: This document provides the necessary instructions and hardware requirements to upgrade the 30-204 Brake Assembly to the 30-204A configuration. Replacement parts can be procured from Parker Hannifin as a Kit, part number SB7041-1 Service Bulletin Kit, 30-204 Brake Assembly, Upgrade. The 30-204A brake utilizes two 159- 05900 brake discs to provide better service life than the 30-204 brake which utilizes two 159-04000 brake discs. An aircraft must use either four 30-204A brake assemblies or four 30-204 brake assemblies. A mixed shipset is not permissible COMPLIANCE: Recommended - at the time of overhaul. APPROVAL: The design contents of this service bulletin are FAA DER approved. WEIGHT & BALANCE: No change. PUBLICATIONS: 30-204A information to be incorporated into the Parker Product Catalog at next revision. 30-204A Maintenance Manuals to be available through Parker Hannifin Customer Service Department. MATERIALS: Kit list P/N SB7041-1, Service Bulletin Kit, Upgrade of 30-204 Brake to 30-204A Configuration. Note: Each kit will convert four brakes on one aircraft to the 30-204A configuration. Parker Part Number Description Quantity 159-05900 Brake Disc 8 SB7041 Service Bulletin (This Document) 1 CM 30-204A 30-204A Component Maintenance Manual 1 IM199-220 199-220 Installation Manual 1 50-152 Wheel and Brake Kit Installation Drawing 1 SA1789GL Supplemental Type Certificate 1 SERVICE BULLETIN SB7041 Page 2 of 2 Initial Release October 24, 1994 Rev A July 1, 1995 Note: The 30-204 Brake Assembly & 40-273 or 40-273A Wheel Assembly must be removed from the aircraft per the aircraft Maintenance Manual before the following instructions can be completed. INSTRUCTIONS: 1. The following components must be removed from each existing 30-204 Brake Assembly and discarded: Parker Part Number Description Quantity 159-04000 Brake Disc 2 2. Reassemble the brake assembly with parts listed in kit list SB7041-1 above per Component Maintenance Manual CM30-204A, Rev. A. 3. Reidentify brake assembly by stamping the letter “A” on brake housing after the assembly number 30-204, and by lightly hand pressing the letter “A” on the 166- 01600 nameplate after the assembly number 30-204, using a character stamp, stylus, or ball point pen. 4. Test brake assembly 30-204A per “Testing” section of Component Maintenance Manual CM30-204A, Rev. A. 5. Reinstall the new 30-204A Brake Assembly and 40-273 or 40-273A Wheel Assembly back onto the aircraft per the 199-220 Installation Manual. 6. Make appropriate log book entries regarding compliance to this bulletin. 7. Return aircraft to service.
What's in the Beechcraft 1900D TCDS
A Type Certificate Data Sheet (TCDS) is the FAA's record of what an aircraft type was approved as. It is the source of truth for weights, seating, fuel and the rules the design was certified against. Expand any line to see what it means.
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