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71-00-10

MAINTENANCE MANUAL SA227 SERIES EFFECTIVITY:

TT 421-999 AT 423-999 AC 420-999 BC 762-999

TEMPORARY REVISION 71-03

LETTER OF TRANSMITTAL TO: HOLDERS OF SA227 SERIES MAINTENANCE MANUALS SUBJECT: TEMPORARY REVISION NO. 71-03, DATED MARCH 15, 2016.

This Temporary Revision:

1. Revises Prop Pitch Control (PPC) Input Arm installation procedures.

2. Revises Figure 205 for clarity.

3. Adds torque values for attaching hardware.

4. Adds safety wire instructions for Pre and Post SB 227-76-007 PPC's.

Perform the following steps to update your paper manual:

1. Insert this TR71-03, pages TR-206 and TR-207 between 71-00-10, pages 206 and

207.

2. Do not remove this temporary revision until a permanent revision incorporating this information is issued.

3. Enter this temporary revision number 71-03 in the Record of Temporary Revisions at the front of your manual or replace the Record of Temporary Revision with the one provided.

4. File this Letter of Transmittal immediately after the Record of Revisions.

P.O. Box 790490 • San Antonio, Texas 78279–0490 • (210) 824–9421

SA227 SERIES

MAINTENANCE MANUAL

RECORD OF TEMPORARY REVISIONS

TEMPORARY REVISIONS REV NO.

CH/SEC/SUBSEC PAGE NO.

DATE ISSUED DATE

INSERTED

BY DATE

REMOVED

BY INCORP INTO REV NO.

27-01 27-30-05 PAGE 201 FEB 15/85 FEB 15/85 FA NOV 01/85 FA 33 71-01 71-00-30 PAGE 231 SEP 14/88 SEP 14/88 FA OCT 01/88 FA 66 71-01 71-00-35 PAGE 206 SEP 14/88 SEP 14/88 FA OCT 01/88 FA 66 29-01 29-10-01 PAGE 204/205 APR 04/89 APR 04/89 FA JUN 15/89 FA 73 05-01 05-10-00 PAGE 206 JUL 26/91 JUL 26/91 FA FEB 15/92 FA 83 24-01 24-00-00 PAGE 208 SEP 20/91 SEP 20/91 FA APR 02/92 FA 84 27-01 27-00-00 PAGE 1 SEP 20/91 SEP 20/91 FA APR 02/92 FA 84 32-01 32-50-50 PAGE 102 OCT 10/91 OCT 10/91 FA APR 02/92 FA 84 32-02 32-30-00 PAGE 203/209 FEB 21/91 FEB 21/91 FA APR 02/92 FA 84 05-02 05-10-00 PAGE 201 JUN 17/92 JUN 17/92 FA SEP 01/92 FA 86 82-01 82-21-00 PAGE 207-210 OCT 22/92 OCT 22/92 FA MAY 15/93 FA 89 32-03 32-10-20 PAGE 203 APR 09/93 APR 09/93 FA MAY 15/93 FA 89 05-03 05-10-00 PAGE 201 JUN 16/94 JUN 16/94 FA AUG 08/94 FA 99 27-03 27-00-00 PAGE 3, 202 SEP 30/94 SEP 30/94 FA FEB 28/95 FA 100 27-04 27-40-10 PAGE 208, 212 OCT 03/97 OCT 03/97 FA OCT 16/97 FA N/A 27-05 27-40-10 PG 204, 208, 212 OCT 16/97 OCT 16/97 FA MAY 01/98 FA 113 05-04 05-10-00 PAGE 202 MAR 15/04 MAR 15/04 FA DEC 08/04 FA 124 05-05 05-10-00 PAGE 20 JUL 30/04 JUL 30/04 FA DEC 08/04 FA 124 71-02 71-00-10 PAGE 206, 207 JUN 24/08 JUN 24/08 M7 SEP 01/09 M7 129 PAGE 1 FEB 23/16

MAINTENANCE MANUAL

RECORD OF TEMPORARY REVISIONS SA227 SERIES

TEMPORARY REVISIONS REV NO.

CH/SEC/SUBSEC PAGE NO.

DATE ISSUED DATE

INSERTED

BY DATE

REMOVED

BY INCORP INTO REV NO.

71-02 71-00-15 PAGE 206 JUN 24/08 JUN 24/08 M7 SEP 01/09 M7 129 05-06 05-10-00 PAGE 206 OCT 15/10 OCT 15/10 M7 APR 15/11 M7 131 28-01 28-20-20 PG 202, 203, 204 JUL 15/11 JUL 15/11 M7 SEP 28/12 M7 132 28-02 28-00-00 PG 201, 202 SEP 27/11 SEP 27/11 M7 SEP 28/12 M7 132 05-07 05-10-00 PG 202 OCT 07/11 OCT 07/11 M7 SEP 28/12 M7 132 26-01 26-10-20 PG 202 NOV 03/11 NOV 03/11 M7 SEP 28/12 M7 132 21-01 21-20-40 PG 201 NOV 07/11 NOV 07/11 M7 SEP 28/12 M7 132 56-01 56-10-00 PG 202 NOV 07/11 NOV 07/11 M7 SEP 28/12 M7 132 21-02 21-10-00 PG 1 DEC 14/11 DEC 14/11 M7 SEP 28/12 M7 132 21-02 21-10-10 PG 1 DEC 14/11 DEC 14/11 M7 SEP 28/12 M7 132 32-04 32-50-50 PAGE 210 DEC 28/11 DEC 28/11 M7 SEP 28/12 M7 132 27-06 27-70-10 PG 208 APR 13/12 APR 13/12 M7 SEP 28/12 M7 132 32-05 32-20-00 PG 202 MAY 10/12 MAY 10/12 M7 SEP 28/12 M7 132 27-07 27-30-10 PG 212, 214 MAY 11/12 MAY 11/12 M7 SEP 28/12 M7 132 21-03 21-10-21 PGS 1-201 OCT 26/12 OCT 26/12 M7 JUN 06/14 M7 133 79-01 79-10-00 PG 203 JUL 26/13 JUL 26/13 M7 JUN 06/14 M7 133 05-08 05-10-00 PGS 201-208 JAN 13/14 JAN 13/14 M7 FEB 24/14 M7 TR05-09 27-08 27-00-00 PGS 1, 201 JAN 13/14 JAN 13/14 M7 JUN 06/14 M7 133 27-09 27-10-10 PGS 1, 2, 3, 201-212 JAN 13/14 JAN 13/14 M7 JUN 06/14 M7 133 PAGE 2 FEB 23/16

SA227 SERIES

MAINTENANCE MANUAL

RECORD OF TEMPORARY REVISIONS

TEMPORARY REVISIONS REV NO.

CH/SEC/SUBSEC PAGE NO.

DATE ISSUED DATE

INSERTED

BY DATE

REMOVED

BY INCORP INTO REV NO.

12-01 12-20-10 PGS 201-206 JAN 13/14 JAN 13/14 M7 JUN 06/14 M7 133 32-06 32-40-00 PGS 201-204 FEB 13/14 FEB 13/14 M7 JUN 06/14 M7 133 07-01 07-10-00/07-20-00

ALL PGS FEB 13/14 FEB 13/14 M7 JUN 06/14 M7 133 05-09 05-10-00 PGS 201-208 FEB 24/14 FEB 24/14 M7 JUN 06/14 M7 133 56-02 56-00-00 PG 204 JUL 15/14 27-10 27-40-10 PGS 201-206, 208, 211, 212, 214-222.

AUG 08/14 AUG 08/14 M7 SEP 03/14 M7 TR 27-11 27-11 27-40-10, PGS 201-223, and 27-50-00, PG 1 SEP 03/14 56-03 56-10-00 PGS 203-204A SEP 04/14 SEP 04/14 M7 MAR 19/15 M7 TR 56-04 27-12 27-10-10 PG 209 MAR 06/15 56-04 56-10-00 PGS 203-204A MAR 19/15 05-10 05-10-00 PGS 201-210 APR 28/15 APR 28/15 M7 APR 30/15 M7 TR05-11 05-11 05-10-00 PGS 201-210 APR 30/15 APR 30/15 M7 FEB 23/16 M7 TR05-12 28-03 28-40-10 PG 215 JUN 09/15 29-02 29-10-40 PGS 201-203 JUN 18/15 05-12 05-10-00 PGS 201-210 FEB 23/16 71-03 71-00-10 PGS 206-207 MAR 15/16 PAGE 3 MAR 15/16

MAINTENANCE MANUAL

RECORD OF TEMPORARY REVISIONS SA227 SERIES

TEMPORARY REVISIONS REV NO.

CH/SEC/SUBSEC PAGE NO.

DATE ISSUED DATE

INSERTED

BY DATE

REMOVED

BY INCORP INTO REV NO.

PAGE 4 MAR 15/16

71-00-10

MAINTENANCE MANUAL SA227 SERIES EFFECTIVITY:

TT 421-999 AT 423-999 AC 420-999 BC 762-999

TEMPORARY REVISION 71-03

(6) Install prop pitch control (PPC) input arm (item 5) onto PPC shaft as follows (Figure 205):

(a) For engines with 27-19216-005 tachometer generator installation, refer to Illustrated Parts Catalog 76-10-50 and/or Service Note 227-SN-032 for trimmed PPC rig plate (item 10) to ensure minimum clearance between tachometer generator and rig plate.

PAGE TR-206 MAR 15/16 ENGINE PREPARATION/ASSEMBLY – MAINTENANCE PRACTICES Fuel Shutoff Valve Control Arm and Prop Pitch Control Input Arm Installation Figure 205 7M710010205A 2 3 1 3

LOOKING AFT 1 INDEX MARK 02040 60 80 100 FWD 5

PROPELLER

GOVERNORENGINE GEARBOX 11

VIEW LOOKING UP INDEX MARK 4 FUEL SHUTOFF VALVE 6, 7 89 80 0 40 60 6 5 7

POWER CABLE

ROD END 10 0102030 40 50 60 70 80 100 90

ALTERNATE RIG PLATE FOR P/N 27-19216-005 TACH GENERATOR 12 }POST SB 227-76-007 ONLY

71-00-10

MAINTENANCE MANUAL SA227 SERIES EFFECTIVITY:

TT 421-999 AT 423-999 AC 420-999 BC 762-999

TEMPORARY REVISION 71-03

(b) With nut (item 9) and cinch bolt (item 8) loose and PPC pointer (item 11) at 40º on rig plate, position the PPC input arm (item 5) onto PPC shaft splines so the index mark on PPC input arm is aligned with center of rig pin hole in PPC pointer (item

11) (Refer to 76-00-10, page 201 in this manual for detailed power control cable rigging instructions).

(c) For Post SB 227-76-007 PPC with internally threaded shaft, secure PPC input arm (item 5) to PPC shaft with spacer (item 7) and screw (item 6). Torque screw 20 to 25 inch-pounds (2.26 to 2.82 Nm).

(d) Torque nut (item 9) on cinch bolt (item 8) 20 to 25 inch-pounds (2.26 to 2.82 Nm).

(e) For Pre SB 227-76-007 PPC, safety wire cinch bolt (item 8) to PPC pointer bolt (item 12) IAW MS33540.

(f) For Post SB 227-76-007 PPC, safety wire screw (item 6) to cinch bolt (item 8) IAW MS33540.

(g) Safety wire screw (item 6) to cinch bolt (item 8) IAW MS33540.

(7) Check the position of the fuel shutoff valve control arm (item 1). If necessary, reposition arm as follows (Figure 205):

(a) Cut safety wire and seal from retaining screw (item 2).

(b) Remove nut (item 4), washers (item 3), and screw (item 2).

(c) Reposition arm (item 1) to align with index mark on fuel shutoff valve shaft.

(d) Install screw (item 2), washers (item 3), and nut (item 4). Torque nut (item 4) 20 to 25 inch-pounds (2.26 to 2.82 Nm).

(e) Safety retaining screw (item 2) IAW MS33540.

ENGINE PREPARATION/ASSEMBLY – MAINTENANCE PRACTICES PAGE TR-207 MAR 15/16