SAE ARP 550A-1958 Accessory Envelope type XII for 6 1 2 Nominal Diameter Generation.pdf

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2、 m oa OE mo L oc“u V iEr rao; aoc om“ tl)S - - 14.00 ENGINE Iv4lX. 4.SOR R.A.D. CLAiIPING , / BOLT APPLIES FOR 70 ! POSITION ROTATABLE 360 I TEFddINAL BOX ,., 4.00 R,- (SEE NOTE B) _I SEE NOTE _- o 30 , SOCIETV OF AUTOMOTIVE ENGINEERS. ,. AERONAUTICAL 4s5 LEXINGTON AVENUE RECOMMENDED PRACTICE ARP 55

3、0a NEW VORK 17, N.Y. I ACCESSORY ENVELOPE TYPE XII FOR 6 I/2“ NOMINAL DIAMETER GENERATORS 1SSO 7-1-55 I f Revised _ 15- 58 SEE ARP 554 OR 555 FOR EXHAUST SHROUD qUNTING C I / l I y“_ _. _ / .J i . . / / T II _ / , / J1 I ! - . . . _ . / 3. 75 ALTERNATE INLET AIR SPOUT LOCATION I -,FOR EXHAUST SHRIXI

4、D (SEE NOTE C) - 7.00 - “ - -ENG W E MAX. -GASKET REFERENCE AN4047-1 (IF REQD.) -PLANE OF FANGE MOUNTING FACE PLANE OF ENGINE DRIVE EXTERNAL AIR COOLING HOSE CCNNECTION GENERATOR .MY BE P,AOUNTED ON ENGIME PAD IN ANY ONE OF SIX POSITICNS AS CONTROLLED E3Y FLANGE P:10UNTING HOLES. AIR SPWT MAY DE ADJ

5、USTED AT INSTALLATION TO ANY ONE OF 4 POSITICNS RADIALLY AROUND GENERATOR AXIS IN 90 INCRQ.IENTS E3EGINNING 45 FROM AXIS OF ELECTRICAL CONNECTOR. NOTE A: GENERATOR A415T E3E ROTATAE3LE 30 (DIRECTION OF ROTATI(NV OPTIONAL) IN nRDER TO DISENGAGE FROh9 Q.A.D. NOTE 8: 4.00 R. .N1Y BE REIXJCED TO 3.63 R.

6、 AIN. FOR 90 M4X. IN CASE OF INTERFERENCE. NOTE C: EXHAUST SHF2UD CIXVNECTING SPCh1T MAY EE 10DIFIED OR OM1IITTED TO SUIT CONDITIONS. MAX.RQ.40VAL LENGTH 1.75 FOR NOPJ Q.A D. UNITS, FOR Q.A.D. UNITS DTAIL STUDY OF THE DESIGN IS REQUIRED, (CLEARANCE FOR IN- STALLATION AND RQ.IOVAL TO BE INCLUDED ON h

7、1DCK UP P1DEL5) . TERr 11 NAL BOX AND/OR A IR SPOUT AMY E3E REL I EVED FOR MDCK UP PURPOSES ONLY TO ACCOhA10DATE A I R SP(x1T WHEN LOCATED 45 FROrA TEF2.41 NAL BOX. OF TERAtINAL BOX TO E3E LCCATED 90 FROA1 OF A AOUhlTING FLANGE HOLE. OLEARANCE SNALL QE PROVIDED TO PEfdAIT INSTALLATION OF GENERATOR I

8、N AT LEAST ONE QF SIX POSSIBLE POSITIONS. CLEARANCE SHALL BE PROVIDED FOR ELECTRICAL CONNECTIONS TO TERn:tINAL 60X AND FOR 3.00 I.D, HOSE AND CLAbIP TO AIR SPOUT. DIAIENSIONS ARE IN INCHES UJLESS OTHERWISE SPECIFIED. DIMENSIONS ARE PMX. GENERATOR. PROVIDE ACCESS(X2Y CLEARANCE FOR P,10UNTING FLMGE AN

9、D1p2G2. F - 4.00 v 1 .381 w -I- I i o , I I oo t t I o 0 O i N L._1- r 3.75 , 1 STRl_IvHT ,- INLET AIR ,2,5 SPQJT 5 JS i / FOR POWER TAKE OFF PROVIDE CLEARANCE OF 4.Op0 DIA. TO CLEAR ENGINE ENVELOPE FOR ALL DRIVES EXCEPT A,E3,D,E Prepared by Subcommittee A-2G, Generators and Voltage Regulators of Committee A-2, Aircraft and DTissile Electrical Equipment Copyright 1j5 by Sxlety of Automotive Engineera, Inc. Printed in U. S. A.