SIL RS-81 Revision 2 - Service Information Letter - Fuel Systems

Robinson R44 Raven I · Service Bulletins

Free account — keep the POHs & checklists you reference in one place.

Overview

This document provides conversion instructions for the RSA-10AD1 fuel injection servo used in Robinson R44 II helicopters. It details the transition from earlier servo configurations to the updated 2576630-4 configuration, including parts compatibility and installation orientation.

Applicable to RSA-10AD1 fuel injection servos, parts list number 2576630-1 to -3.
Conversion to 2576630-4 configuration is outlined.
Allows installation in an alternate orientation.
Refer to Robinson R44 service bulletin SB-55 for more information.
Refer to Precision Airmotive SIL RS-74 for detailed parts information.
Compatible venturies and regulator covers are listed.

Document

Source

Originally published by precisionairmotive.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

View original at precisionairmotive.com

Report a problem or request removal

Document details

Type: Service Bulletins
Year: 2005
File size: 17 KB
Publisher: precisionairmotive.com
Language: en

About this document

What is the SIL RS-81 Revision 2 - Service Information Letter - Fuel Systems?

The SIL RS-81 Revision 2 - Service Information Letter - Fuel Systems is a service bulletins for the Robinson R44 Raven I, dated 2005.

Where does the SIL RS-81 Revision 2 - Service Information Letter - Fuel Systems come from?

This copy of the SIL RS-81 Revision 2 - Service Information Letter - Fuel Systems was originally published by precisionairmotive.com and is hosted on Sprinkle as a free, searchable reference copy.

What year was the SIL RS-81 Revision 2 - Service Information Letter - Fuel Systems published?

The SIL RS-81 Revision 2 - Service Information Letter - Fuel Systems — the Robinson R44 Raven I service bulletins on file — is dated 2005.

Documentation completeness

4/7

Most owners only have the POH. Here's the essential set for the Robinson R44 Raven I.

Pilot's Operating Handbook / AFM
Checklist
Maintenance Manual
Parts Catalog (IPC)
Systems & Wiring
Service Bulletins on file
Type Certificate (TCDS)

More Robinson R44 Raven Imanuals & documents

See all 17 →

In this document

Purpose

To provide instructions for the conversion of specific fuel injection servos to the 2576630-4 configuration.

Effectivity

This Service Information Letter is applicable to all RSA-10AD1 fuel injection servos installed on Lycoming IO-540-AE1A5 engines on Robinson R44 II helicopters.

Description

The 2576630-4 configuration allows for an alternate installation orientation and includes compatible parts.

Full document text

SUBJECT: Conversion Information for RSA-10AD1 Fuel Injection Servo Parts List Number 2576630. PURPOSE: To provide instructions for the conversion of 2576630-1, 2576630-2 and 2576630-3 servos to the 2576630-4 configuration. Revision 2 updates to the dash 4 configuration A. EFFECTIVITY: This Service Information Letter is applicable to all RSA-10AD1 fuel injection servos; parts list number 2576630-1 thru -3. These servos are installed on Lycoming IO-540-AE1A5 engines on Robinson R44 II helicopters. B. DESCRIPTION: Servo parts list number 2576630-4 incorporates a revised configuration that allows installation in an alternate orientation on the helicopter. Refer to Robinson Helicopter R44 service bulletin SB-55 for conversion information. Refer to Precision Airmotive service information letter SIL RS-74 for detailed parts information. Please note that any of the three venturies (2523429, 2577228, or 2577236) or any of the three regulator covers (2523502, 2577195, or 2577225) are acceptable in the 2576630-4 configuration. SIL RS-81 Revision 2 SMALL RECIPROCATING ENGINES RSA-10AD1 Issued 8/2/05 Page 1 of 1 Service Information Letter - Fuel Systems

All Robinson R44 Raven I service bulletins