ANTI-ROTATION ARM MOUNTING
GUIDELINES
The Anti-Rotation Arm stabilizes the SHAFTach and keeps
it from rotating as the motor shaft rotates. To mount the
Anti-Rotation Arm, use these guidelines:
1. Mount SHAFTach with conduit entry ports posi-
tioned horizontally.
ADJUSTABLE
ANTI-ROTATION ARM
ROD END
STATIONARY (STATIC)
MOUNTING POINT OF
ANTI-ROTATION ARM
5/16–24 SHOULDER BOLT
BOTH ENDS
12.00 MAX
90°
OPTIONAL
MOUNTING
M585TORQ.MAC
POSITIONS
0.38
5.50 4.75
2.00
3.00
4.25 SQ
1.28
2.00
OPTION "T" TERMINAL BOX
OPTION "S" TERMINAL BOX
WITH NON-METALLIC ADAPTER
8901 E. PLEASANT VALLEY RD., INDEPENDENCE, OH 44131, U.S.A. • (216) 642-1230 • FAX (216) 642-6037 • www.avtronencoders.com
TOP VIEW
AXIS OF MOTOR
90°
SHAFT
MOUNTING
BOARD
END (INBOARD) VIEW
5FT OF FLEXIBLE
WATERPROOF CONDUIT
BETWEEN PULSE GEN.
AND JUNCTION BOX.
2.25
0.312 DIA.
4 HOLES
OPTION "L"
°
90
MS CONNECTOR
1.12
7.00
3.13
0.09
1.094 DIA
HOLE FOR 3/4"
CONDUIT ENTRY
INDUSTRIAL AUTOMATION, INC.
2. Mount Anti-Rotation Arm perpendicular to motor
shaft axis of rotation. Arm mounting bolts and associated
rod bearings should be parallel to motor shaft also. (Viewed
from above.)
3. Mount Anti-Rotation Arm 90° to a line established
between mounting board, mounting hole, and shaft center-
line. (Viewed from end.)
4. Mount SHAFTach as close as possible to the motor
with the mounting board closest to the motor.
5. Establish a stationary (static) mounting point for the
free end of the Anti-Rotation Arm, using the guidelines
above. Use the shoulder bolt provided to fasten arm to sta-
tionary point.
6. The Anti-Rotation Arm can be adjusted in length. The
recommended length is 8 to 12 inches.
2.75 REF
5.12
9.25
4.62
30°
45°
60°
FLEXIBLE
1/4-20 UNC-2B
CONDUIT
6 HOLES SPACED
AS SHOWN ON A
7.75 DIA
HOLE FOR SHAFT
OF 1.125 DIA MAX
MS3101F18-1P
MS3106F18-1S
AVTRON STANDARD WARRANTY APPLIES • FEATURES SUBJECT TO CHANGE
WITHOUT NOTICE • ALL DIMENSIONS ARE IN INCHES AND ARE APPROXIMATE
MOTOR
1.56 REF
SHAFTach M585
V-RING SEAL
4.75
MIN
8.50 DIA
5FT
METAL
OPTION "N" WIRE LEADS
OPTION "M" WIRE LEADS
WITH NON-METALLIC ADAPTER
OPTION "C" MS CONNECTOR
OPTION "B" MS CONNECTOR
WITH NON-METALLIC ADAPTER
4.30
0.42
MAX
M585OL.MAC
REV. 10-12-01