Rev. AV Page 16-20
2.95
2.58
2.21
47.6° 47.6°
2.30
1.92
1.53
50° 50°
C
B
A
AN970-3 WASHER
GPN: 212-00080-03
SEE NOTE 1
AN970-3 WASHER
GPN: 212-00080-03
SEE NOTE 1
ROD END BEARING, .190 x #10-32
GPN: 382-00019-02
SEE NOTE 3
AN315-3R NUT
GPN: 210-00116-03
AN365-1032A NUT
GPN: 210-00117-03
PUSH ROD
GPN: 117-00542-XX
SEE NOTE 2
AN960-10 WASHER
GPN: 212-00035-10
AN3-7A BOLT
GPN: 211-00090-05
A
B
C
AN310-5 CASTLE NUT
GPN: 210-00050-01
SEE NOTE 7
STANDARD CRANK ARM
CRANK ARM
GPN, STANDARD ARM: 115-01738-00
GPN, LONG ARM: 115-01738-01
AN960 516L WASHER
GPN: 212-00043-31
5/16 SPLIT LOCK WASHER
GPN: 212-00018-08
MS24665-208 COTTER PIN
GPN: 231-00037-04
LONG CRANK ARM
STOP BRACKET
SEE NOTES 4, 5, &6
GSA28 CRANK ARM ATTACHMENTS
NOTES:
AN970-3 WASHERS ARE INTENDED TO CAPTURE ROD END BEARINGS IN THE 1.
CASE THEY COME APART. THEY SHOULD BE INSTALLED AGAINST ROD END
BEARING ON OPPOSITE SIDE OF CRANK ARM AND AIRCRAFT ATTACHMENT
POINT.
RECOMMENDED ANGLE BETWEEN PUSH ROD AND CRANK ARM IS 90
AT THE 2.
CENTER OF TRAVEL.
MINIMUM THREAD ENGAGEMENT BETWEEN ROD END BEARINGS AND 3.
ALUMINUM PUSH ROD IS 0.375".
STOP BRACKET SHOULD BE ORIENTATED SUCH THAT FLANGES ARE EQUAL 4.
DISTANCE FROM THE CRANK ARM AT CENTER OF TRAVEL.
STOP BRACKET CAN BE RE-POSITIONED IN INCREMENTS OF 15
.5.
STOP BRACKET IS INTENDED TO PREVENT OVER-CENTER CONDITION. THE 6.
AIRCRAFT'S BUILT-IN STOPS SHOULD BE THE PRIMARY MEANS OF LIMITING
MOTION. IF SERVO CRANK ARM IS HITTING STOP BRACKET DURING NORMAL
RANGE OF MOTION EITHER RE-POSITION STOP BRACKET, CHANGE LENGTH OF
PUSH ROD, OR MOVE PUSH ROD TO A FARTHER OUT POSITION.
TIGHTEN AN310-5 CASTLE NUT UNTIL LOCK WASHER IS FULLY COMPRESSED, 7.
BUT DO NOT EXCEED 20 IN-LBS. THEN LOOSEN UNTIL ADJACENT
CASTELLATION LINES UP WITH HOLE IN OUTPUT SHAFT AND INSTALL COTTER
PIN.
FOR BEST PERFORMANCE, ANGULAR TRAVEL OF THE GSA28 OUTPUT ARM 8.
SHOULD BE MAXIMIZED WHILE STAYING WITHIN THE TRAVEL LIMITS SPECIFIED IN
NOTE 6.
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