2700-4001_22 IMA Manual
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Last Revision: 12/14/2021
Improper alignment of the anti-rotate shaft may result in binding and / or side loading which may reduce the life of
the actuator.
Take precautions to cause no damage to the actuator’s grease zerk throughout the following process.
1. Assemble Fastener [#3] into the Anti-Rotate Clamp [#2] finger-tight, then back off one (1) turn.
2. Assemble Anti-Rotate Clamp [#2] onto Rod End [#5] orientated such that the shallow counterbore faces the
non-working end of the actuator and the clamp’s opening straddles the Grease Zerk [#4]. Engage the flats of
the Anti-Rotate Clamp [#2] with the flats of the Rod End [#5]. Light tapping with a dead-blow hammer may be
necessary to seat the Anti-Rotate Clamp [#2] up against the thrust tube. When ensuring the Anti-Rotate
Clamp [#2] doesn’t shift, torque the Fastener [#3] to:
IMA22, IMA33, IMA44 = 69 in-lbs (7.8 N-m); IMA55 = 180 in-lbs (20.3 N-m).
3. Apply medium strength thread-locker to the two (2) Fasteners [#8]. Using the two (2) Fasteners [#8] and two
(2) Washers [#7], assemble the Bearing Block [#6] onto the actuator finger-tight only, orientated such that the
Bearing Block [#6] does not breech the face of the actuator.
4. Insert the Anti-Rotate Shaft [#9] through the Bearing Block [#6] orientated with the shaft’s tapped hole facing
the working end of the actuator. Light tapping with the dead-blow hammer may be necessary to get the Anti-
Rotate Shaft [#9] through the oil wick of the Bearing Block [#6].
5. Manually rotate the thrust rod to retract the actuator as far as the application allows without mechanically
stopping or striking any mounting means.
6. Ensure that the Bearing Block Fasteners [#8] are just finger tight allowing the Bearing Block [#6] to float. Align
the shallow counterbore of the Anti-Rotate Clamp [#2] with the Anti-Rotate Shaft [#9], engage the shaft into
the counterbore. Apply medium strength thread-locker to the Fastener [#1] and assemble through the Anti-
Rotate Clamp [#2] and into the Anti-Rotate Shaft [#9].
Torque to: IMA22 = 69 in-lbs (7.8 N-m); IMA33, IMA44, IMA55 = 117 in-lbs (13.2 N-m).
7. Torque the two (2) Bearing Block Fasteners [#8] to:
IMA22 = 117 in-lbs (13.2 N-m) IMA33, IMA44 = 350 in-lbs (39.5 N-m) IMA55 = 840 in-lbs (95.0 N-m).
