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Aircraft Spruce Canada
Brantford, ON Canada
Corona, CA | Peachtree City, GA
Chicago, IL | Wasilla, AK
Aircraft Spruce Canada
Brantford, ON Canada
Corona, CA | Peachtree City, GA
Chicago, IL | Wasilla, AK
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Beech Brake Master Cylinder Upgrade/Repair Kit for King Air / 1900 / Model 99 with 90-380001-29 or 90-380001-33 Master Cylinders
$270.95/Each
Part# 05-27532
MFR Model# M-03-1000-3
MFR Model# M-03-1000-3
Overview
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Marsh Brothers’ Brake Master Cylinder upgrade & repair kit is a proactive solution that will eliminate the risk of failure due to leaks at the piston rod seal. By eliminating typical O-ring failure modes, this upgrade kit will increase mean time between unscheduled maintenance events keeping your aircraft in the air longer, while reducing maintenance costs associated with your brake master cylinder. Like all Marsh Brothers products, our glands and seals are developed to last for the long haul. Installation of the Marsh Brothers brake master piston rod seal offers the opportunity to practice preventative maintenance, by eliminating the risks associated with the typical failure modes of traditional O-rings used in dynamic seal applications. The Marsh Brothers Aviation King Air brake master cylinder upgrade kit contains all of the hardware to repair/upgrade your King Air brake master cylinder. Additionally, the kit also includes tooling to aid in the re-assembly. The piston rod seal (AeroLas™-Flex) provided is a Marsh Brothers Aviation proprietary lip seal design and is manufactured from a proprietary elastomeric polymer. The Marsh Brothers Aviation Thorseal® replaces both the OEM O-ring and rod wiper. The kit also includes installation instructions, instructions for continuing airworthiness and an authorized release certificate. Note: The Piston is not included in this kit. Caution: Thorseal® is made from Marsh Brothers proprietary material known as AeroLas™-Flex. AeroLas™-Flex is not compatible with phosphate ester hydraulic fluid, commercially known as Skydrol. Exposure to phosphate ester hydraulic fluid contamination will damage the seals. |
Features
- Applicable to OEM P/N 90-380001-29, 90-380001-33 series brake master cylinders.
- Piston Rod Lip Seal eliminates risk of typical failure modes associated with traditional O-rings used in dynamic applications.
- The proprietary elastomeric polymer offers improved lower pressure sealing performance and overall cold weather performance.
- Installation Tooling included - Seal compression ring, thread sleeve, and push tube.
- Delivery documentation includes copies of all STC certificates and a Transport Canada Form One (authorized release certificate) to keep your logbook up-to-date.
Specifications
- Approved for installation in Canadian Registered aircraft by Transport Canada Supplemental Type Certificate No. SA21-5 and US Registered aircraft by FAA Supplemental Type Certificate SAO4634NY
Benefits
| King Air | Beech 1900 | Model 99 | |
|---|---|---|---|
| TCCA SA21-5 FAA SAO4634NY | 65-90 | 1900 | 99 |
| 65-A90 | 1900C | 99A | |
| C90 | 1900D | A99 | |
| C90A | A99A | ||
| E90 | B99 | ||
| F90 | C99 | ||
| C90GT | |||
| H90 | |||
| 100 | |||
| TCCA SA21-5 FAA SAO4634NY | A100 | ||
| B100 | |||
| 200 | |||
| 200C | |||
| 200CT | |||
| 200T | |||
| B200 | |||
| B200C | |||
| B200CT | |||
| B200T | |||
| B200CGT | |||
| B200GT | |||
| 300 | |||
| 300LW | |||
| B300 | |||
| B300C |
In The Box
| Item# | MBA Part # | Description | Quantity M-03-1000-1 | Quantity M-03-1000-3 | OEM Cross Reference Part # |
|---|---|---|---|---|---|
| 1 | AN316-5R | NUT ROD END JAM | 1 | 1 | AN316-5R |
| 2 | MS16625-1100 | INTERNAL RETAINING RING | 1 | 1 | MS16625-1100 |
| 3 | MBA-03-10000-1 | PISTON ROD GLAND SEAL | 1 | 1 | A57G401 / AN6227B6 |
| 4 | MS28775-117 | O-RING (STATIC GLAND) | 1 | 1 | 01-117 |
| 5 | MS28775-210 | O-RING (PISTON HEAD) | 1 | 1 | 01-117 |
| 6 | MS28774-019 | BACK-UP RING (PISTON HEAD) | 1 | 1 | N/A |
| 7 | MS24665-132 | COTTER PIN | 1 | - | AN380C2-2 |
| 8 | MS16624-1037 | EXTERNAL RETAINING RING | 1 | - | N/A |
| 9 | MS28775-012 | O-Ring (Piston Rod) | - | 1 | N/A |
| 10 | MS28774-012 | Back-up Ring (Piston Rod) | - | 1 | N/A |
Q&A
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.